HVDC Supply Chain Register

GE Vernova

GE Vernova is a global energy equipment and services company headquartered in Cambridge, Massachusetts, formed from the spin-off of General Electric’s energy businesses in 2024. With around 75,000 employees, GE Vernova’s technology helps generate about 25% of the world’s electricity, and the company is dedicated to accelerating electrification and decarbonization for a more sustainable energy future.

In high-voltage direct current (HVDC) systems, GE Vernova provides advanced grid solutions to enable long-distance power transmission, support renewable energy integration, and modernize electricity infrastructure for greater reliability and efficiency.

GEIRI/C-EPRI

GEIRI/C-EPRI (Global Energy Interconnection Research Institute/China Electric Power Research Institute) is a subsidiary of the State Grid Corporation of China, focusing on applied research into technologies for new energies and intelligent power grids, with expertise in High Voltage Direct Current Energy Transmission, Intelligent Sensing, High-End Electrical Materials, and Energy Storage.

In the HVDC sector, GEIRI/C-EPRI has completed multiple projects in China and since 2018 has entered the European market, where they provide engineering, manufacturing, supply, installation supervision, and commissioning services for HVDC systems including converter stations, as demonstrated by their participation in the BorWin6 980-MW project in the North Sea.

Hitachi Energy

Hitachi Energy is a global technology leader in electrification, driving a sustainable energy future with advanced power grid solutions and digital technologies. Headquartered in Switzerland, the company employs over 50,000 people across 60 countries and is investing billions to scale its R&D, manufacturing, and engineering capabilities.

Hitachi Energy is a major player in high-voltage direct current (HVDC) technology, delivering large-scale transmission systems that connect renewable energy sources to power grids worldwide, including recent milestone projects in India, the United States, and multi-terminal HVDC links in Europe and Australia.

Hyosung Heavy Industries

Hyosung Heavy Industries is a South Korean company established in 1962, specializing in the manufacture and supply of heavy electrical equipment such as transformers, switchgear, motors, and comprehensive power system solutions for energy production, transmission, and distribution. With a workforce of over 3,000 employees, the company is recognized for its advanced technology and innovative solutions across global energy and industrial markets.

In high voltage direct current (HVDC), Hyosung Heavy Industries provides HVDC transmission systems within its power system solutions portfolio, helping to enhance grid stability and enable efficient long-distance power transmission.

LS Electric

LS Electric is a global provider of power and automation solutions, delivering a wide range of products and services including power transmission systems, industrial automation, PV systems, and railway power supply solutions. Headquartered in Anyang, Seoul, South Korea, the company serves markets across China, the Middle East, and Southeast Asia, supporting sectors such as power generation, industrial automation, and infrastructure.

In the HVDC (High Voltage Direct Current) sector, LS Electric is involved in the development and deployment of advanced DC technology and power transmission solutions to support safe, efficient, and clean energy delivery for large-scale grid applications.

Mitsubishi Electric

Mitsubishi Electric is a leading global company that specializes in electrical and electronic equipment, offering innovative solutions across various sectors including energy systems and power transmission. The company has developed advanced technologies and systems that enhance power distribution efficiency and reliability.

In the HVDC field, Mitsubishi Electric has developed HVDC-Diamond, their latest offering which uses the well-proven Modular Multi-level Converter (MMC) topology, providing flexible scalability from 50 MW to 1000 MW and more. As a Voltage Source Converter (VSC), their HVDC systems deliver significant benefits including precise control over power flows, reactive-power support, black-start capability, and improved grid accessibility for weak systems.

NR Electric

NR Electric is a global technology-oriented company specializing in solutions that enhance the safety, reliability, and efficiency of power generation, transmission, and distribution. The company is recognized as a leader in digital substation solutions and is one of the world's largest manufacturers of protection and control systems for power systems.

In HVDC, NR Electric provides comprehensive control and protection products and services for high-voltage direct current transmission, with experience ranging from ±500kV to ±800kV projects and extensive involvement in power electronics applications.

RXHK

RXHK is a leading international provider of high voltage power electronic solutions, specializing in complex power management challenges across electric utilities, renewable energy, industrial, and transport sectors. The company delivers turnkey and EPC solutions, offering system studies, design, procurement, construction, commissioning, and project management for major electrical infrastructure projects.

In the field of HVDC, RXHK provides advanced Voltage Source Converter DC transmission technologies and supports these with project maintenance solutions, establishing a reputation for successful delivery of complex high voltage direct current installations worldwide.

Siemens Energy

Siemens Energy is a global energy technology company headquartered in Munich, Germany, operating in over 90 countries and employing around 100,000 people. The company delivers products and services across the energy landscape, including power generation, renewables, transmission, industrial electrification, and storage, with a mission to support the energy transition towards a more sustainable and reliable energy system.

In HVDC (High Voltage Direct Current), Siemens Energy develops and supplies advanced transmission solutions and equipment, playing a key role in enabling efficient long-distance electricity transmission and integrating renewable energy into modern power grids.

Toshiba

Toshiba is a diversified Japanese multinational conglomerate with core businesses spanning energy systems, infrastructure, electronic devices, and digital solutions. The company is recognized globally for its technological expertise in power systems and has a long history of delivering advanced solutions across multiple industries.

Toshiba has been a pioneer in High Voltage Direct Current (HVDC) technology since the 1950s, providing HVDC systems, frequency converters, and advanced power electronics for long-distance power transmission and interconnection projects. The company has been involved in major HVDC projects, including undersea interconnections and large-scale cross-border links, utilizing both Line Commutated Converter (LCC) and Voltage Sourced Converter (VSC) technologies.

XJ Electric

XJ Electric Corporation is a leading enterprise in China’s power equipment manufacturing industry, focusing on five core business areas: UHV, smart grid, new energy, electric vehicle charging and battery swapping, and rail transit and industrial intelligence. The company provides a wide range of energy and power technology equipment and solutions, with products and services applied across China and more than 50 countries and regions globally.

In HVDC, XJ Electric offers a comprehensive portfolio that includes DC transmission converter valves, DC control and protection systems, DC simulation systems, and digital converter stations, supporting national and international HVDC transmission projects.

Furukawa Electric

Furukawa Electric Co., Ltd., established in 1884 and based in Tokyo, is a global manufacturer specializing in products for telecommunications, energy, automotive, electrical components, construction, and advanced materials. Its extensive portfolio includes optical fibers, electric power and submarine cables, magnet wires, and infrastructure solutions serving diverse industries worldwide.

In the HVDC sector, Furukawa Electric develops and supplies advanced high-voltage direct current extruded cable systems for both land and submarine applications, having successfully prequalified systems up to 525 kV to support major HVDC transmission projects globally.

Hellenic Cables

Hellenic Cables is one of Europe’s largest cable producers, specializing in the manufacturing of submarine, power, and telecommunication cables for both onshore and offshore energy transmission, infrastructure, and industrial applications. The company is recognized for delivering turnkey solutions and supplying cables for challenging environments such as offshore wind farms, island interconnections, and major energy transmission projects.

In the HVDC sector, Hellenic Cables manufactures high and extra-high voltage submarine cables designed for direct current (DC) transmission, supporting critical large-scale offshore and interconnection projects essential for energy transition and grid modernization.

LS Cable & System

LS Cable & System, established in 1962 and headquartered in Anyang, South Korea, is one of the world’s largest cable manufacturers, producing power and telecommunication cables, integrated modules, and related industrial materials. The company operates a global network of factories and subsidiaries across Asia, North America, Europe, and other regions, supplying products for energy, telecommunications, and industrial sectors.

In the HVDC (High Voltage Direct Current) sector, LS Cable & System is a recognized leader, providing high voltage and extra high voltage cables and systems along with engineering, installation, and turnkey solutions for both HVDC land and submarine cable projects.

Nexans

Nexans is a leading global player in the energy transition with over 120 years of experience, focused on the sustainable electrification of the world through innovative cable technologies and connectivity solutions. As the world's second largest manufacturer of cables, Nexans operates in multiple countries, offering comprehensive services that leverage digital technology to maximize performance and efficiency of critical assets.

In the High Voltage & Projects business area, Nexans provides high-voltage cabling systems that enable energy generation from renewable sources, with capabilities to transmit electricity from production points to usage points or between countries through interconnectors, supporting the global power transmission infrastructure.

NKT

NKT is a leading European manufacturer specializing in low-, medium-, and high-voltage power cable solutions and accessories, serving the energy sector with products that support grid infrastructure, renewable energy integration, and industrial use. The company has a workforce of about 6,000 employees, operates production facilities across 10 European countries, and is listed on the Nasdaq Copenhagen Stock Exchange.

In HVDC, NKT is recognized for its offshore high-voltage direct current cables, which connect offshore wind farms to onshore grids and supply major interconnector projects, facilitating the long-distance transmission of renewable energy.

Orient Cable (NBO)

Orient Cable (NBO), also known as Ningbo Orient Wires & Cables, is a leading Chinese provider of comprehensive cable system solutions, specializing in land and subsea cable systems as well as offshore engineering. The company offers a broad portfolio including HVAC and HVDC cables, umbilical and dynamic cables, and holds a strong position in both domestic and global markets, particularly noted for innovation, quality control, and technological advances.

In HVDC, Orient Cable provides land and subsea HVDC cables up to ±535kV, having delivered China's first HVDC XLPE submarine cable and achieved several industry milestones in high-voltage submarine cable projects.

Prysmian

Prysmian is a global leader headquartered in Milan, Italy, specializing in the manufacture, installation, and maintenance of electrical cables and systems for energy and telecommunications. With operations in more than 50 countries and over 28,000 employees, Prysmian supplies underground and submarine cables for power transmission, as well as fiber optics and copper cables for telecom applications.

In HVDC (High Voltage Direct Current), Prysmian develops, produces, and installs advanced HVDC cable systems—including underground and submarine solutions—enabling the transmission of large volumes of electricity over long distances and supporting energy transition and grid interconnections.

Sumitomo Electric

Sumitomo Electric Industries, Ltd. is a global manufacturer of high voltage cables with a history dating back to 1921 when they installed the world's longest submarine cable at that time. The company has manufactured and installed over 6,000km of submarine cables and leads in high voltage XLPE cable development for both AC and DC applications.

In the HVDC sector, Sumitomo Electric has developed and commercialized 500kV MI and 400kV XLPE cable systems, with their HVDC XLPE cable enabling polarity reversal operations and higher operational conductor temperatures (90°C). In 2019, they successfully commissioned the world's first DC High Voltage XLPE Cable system (400kV) in the UK-Belgium Link, and recently secured an HVDC cable framework contract from National Grid UK to deliver future HVDC subsea power cables projects.

Taihan Cable

Taihan Cable & Solution, established as the first electric wire company in Korea, is a leading manufacturer of electric wires and cables, including power and communication cables. The company has a long history of pioneering technological advancements in the cable industry and continues to focus on customer value, technology, and quality, with a strong vision for future-oriented growth.

Taihan is a notable player in the extra-high voltage cable sector, specializing in advanced solutions such as high voltage direct current (HVDC) cables, which are critical for efficient long-distance power transmission and renewable energy integration.

ZTT Group

ZTT Group, officially known as Jiangsu Zhongtian Technology Co., Ltd., is one of China’s largest advanced manufacturing enterprises with a diversified industrial portfolio that spans marine equipment, renewable energy, new materials, smart grid, and optical communications. With over 16,000 employees and 80 global subsidiaries, ZTT operates in more than 160 countries and regions, maintaining a strong commitment to technological innovation and sustainable development while ranking among the Top 500 Chinese Enterprises.

In the field of HVDC (High Voltage Direct Current), ZTT is active in the research, development, and manufacturing of submarine and land-based HVDC cables, supplying key solutions for power grid connectivity and supporting large-scale renewable energy integration and offshore wind power projects worldwide.

50Hertz Transmission

50Hertz Transmission GmbH operates the electricity transmission system in northern and eastern Germany, managing over 10,000 kilometers of high-voltage power lines that supply electricity to 18 million people across seven federal states, with a goal of integrating 100 percent renewable energies by 2032.

As a leader in renewable energy integration, 50Hertz is involved in developing hybrid direct current interconnector projects, including a joint venture with Energinet to link offshore wind power between Denmark and Germany via Bornholm, enabling up to 3 GW of transmission capacity.

Adani Energy Solutions

Adani Energy Solutions Ltd (AESL), formerly known as Adani Transmission Ltd, is one of India's largest private power transmission and distribution companies headquartered in Ahmedabad, with a cumulative transmission network of 26,696 circuit kilometers and serving more than 12 million consumers in Mumbai and Mundra SEZ.

In the HVDC sector, Adani works extensively on power transmission infrastructure across 16 states of India, focusing on providing sustainable and innovative energy solutions while implementing advanced technologies to ensure reliable electricity transmission and distribution throughout the country.

Alpiq

Alpiq is an internationally active energy group headquartered in Lausanne, Switzerland, specializing in electricity production and energy services across Europe. Established in 2009 through the merger of Atel Holding AG and EOS S.A., the company operates a diverse portfolio of power plants—including hydro, nuclear, wind, and solar—and provides energy generation, marketing, and optimization services.

Alpiq’s presence in HVDC (high-voltage direct current) is primarily related to its expertise in energy trading and cross-border electricity transport, leveraging high-voltage networks for reliable and efficient energy flows between countries. While not a pure HVDC technology developer, Alpiq is active in the management and optimization of transmission assets that may include HVDC infrastructure as part of its pan-European operations.

AltaLink

AltaLink is Alberta’s largest regulated electricity transmission company, supplying power to more than 85% of the province’s population through over 13,300 kilometers of transmission lines and 311 substations. Based in Calgary, AltaLink ensures safe, reliable, and cost-effective electricity delivery to homes, businesses, and industries across a 226,000 square kilometer service area.

AltaLink operates and maintains high-voltage transmission systems, including involvement in HVDC (high-voltage direct current) infrastructure, to support Alberta’s evolving energy mix and connect renewable generation sources to the grid, further enhancing system reliability and efficiency.

Amprion

Amprion is one of the four major electricity transmission system operators in Germany, responsible for operating and expanding a vast high-voltage grid that serves around 29 million people and supports the national economy. As a regulated company, Amprion plays a key role in ensuring the secure, stable, and efficient transmission of electricity across Germany and Europe.

Amprion is actively involved in expanding its network with advanced technologies, including significant investments and projects in high-voltage direct current (HVDC) systems to support the energy transition and enhance grid flexibility and capacity.

APA Group

APA Group is Australia's largest natural gas infrastructure business that owns and operates natural gas and electricity assets, including pipelines, electricity interconnectors, and power stations across the country since its establishment in 2000.

In the HVDC sector, APA Group owns and operates several electricity transmission assets including the Murraylink, Directlink (Terranora), and Basslink electricity interconnectors, enhancing the company's diverse energy infrastructure portfolio.

Ariadne

Ariadne Interconnection is a wholly-owned subsidiary of the IPTO Group, established in September 2018 to implement major energy infrastructure projects in Greece. The company was created specifically to construct and finance the electrical interconnection between Crete and Attica, marking the largest electricity transmission investment in Greek history and a significant move toward greater energy reliability and sustainability.

In HVDC, Ariadne is responsible for the Crete-Attica interconnection, which is among the most advanced projects in Europe, featuring two 500 kV submarine HVDC cables (1,000 MW total capacity) and state-of-the-art converter technology. This project is the first HVDC interconnection in the Mediterranean using voltage source converter (VSC) technology and is recognized as one of the most innovative and challenging subsea HVDC links globally.

ATCO

ATCO is a diversified global corporation based in Canada, delivering integrated energy, housing, transportation, and infrastructure solutions across more than 100 countries. With approximately 19,000 employees and $25 billion in assets, ATCO provides essential services including natural gas and electricity, workforce housing, and utility infrastructure to support communities and industries worldwide.

In high-voltage direct current (HVDC) activities, ATCO builds, operates, and maintains critical electric transmission infrastructure, supporting energy reliability and enabling the integration of new technologies for a sustainable energy future.

Augstsprieguma tīkls

Augstsprieguma tīkls AS (AST) is the independent electricity transmission system operator for Latvia, overseeing the national power grid infrastructure at 110 kV and above. The company is responsible for the operation, maintenance, and development of Latvia’s high-voltage transmission network, ensuring the security and reliability of electricity supply for the country.

In relation to HVDC, AST plays a key role in cross-border power transmission by operating interconnections that support Latvia’s integration in the regional and European electricity markets, and participates in major synchronization projects, such as connecting the Baltic power grid with Continental Europe, which includes both AC and HVDC components.

AusNet

AusNet is Victoria's largest diversified energy network business, owning and operating more than $13 billion of electricity and gas network assets that connect communities with reliable, affordable, and sustainable energy across Australia. The company operates three core regulated networks: electricity distribution, gas distribution, and the state-wide electricity transmission network, serving around 1.6 million customers.

While the search results do not specifically mention HVDC (High Voltage Direct Current) activities, AusNet's electricity transmission network is responsible for transporting electricity from generation sources via 50 terminal stations, 13,000 towers, and 6,500 kilometres of high-voltage powerlines throughout Victoria and connecting to networks in New South Wales, South Australia, and Tasmania.

Baltic Cable

Baltic Cable is a transmission system operator that manages a 260-kilometer underwater high-voltage direct current (HVDC) transmission line connecting Lübeck, Germany, and Kruseberg, Sweden, which has been in operation since 1994 and is currently owned by the Norwegian company Statkraft Asset Holding AS.

As an HVDC specialist, Baltic Cable operates one of the world's longest submarine cables with a transmission capacity of 600 MW at 450 kV DC, allowing for efficient electricity exchange between the Swedish and German power grids and supporting Europe's transition to renewable energy.

Belo Monte Transmissora de Energia (BMTE)

Belo Monte Transmissora de Energia (BMTE) is a special purpose company established to construct, operate, and maintain the ±800 kV direct current (DC) Xingu/Estreito transmission line and related facilities. The project spans over 2,000 kilometers across four Brazilian states, transmitting electricity generated by the Belo Monte Hydroelectric Plant to the Southeast region of Brazil.

BMTE is responsible for Brazil’s first ultra-high voltage direct current (HVDC) transmission bipole, including two converter stations and electrode lines that form essential elements for efficiently transporting large-scale renewable energy over long distances.

BritNed

BritNed is a leading cross-border interconnector operator connecting the UK and the Netherlands' electricity markets via a subsea cable, enabling trading between the two countries' power systems. The company was founded in 2001 and operates a 1,000 MW high-voltage direct-current submarine power cable between the Isle of Grain in Kent, UK and Maasvlakte in Rotterdam, Netherlands.

In the HVDC sector, BritNed operates a 260 km submarine cable with 450 kV DC voltage that was commissioned in 2011, serving as a potential link for the European super grid project. The company has also developed Empire, an award-winning next-generation allocation and nomination platform for interconnector trading.

Champlain Hudson Power Express

The Champlain Hudson Power Express (CHPE) is an innovative renewable power transmission project that will deliver clean hydroelectric energy from Quebec to New York City, spanning nearly 339 miles from the US-Canadian border and expected to supply 20% of New York City's electricity when fully operational in 2026.

The project utilizes high-voltage direct current (HVDC) energy transmission cable technology that transmits power more efficiently than alternating current over long distances, with cables being installed underground and underwater from Lake Champlain to a Converter Station in Astoria, Queens, where the power will be converted to AC for distribution into New York City's energy grid.

China Southern Power Grid

China Southern Power Grid (CSG) is one of two major state-owned power grid companies in China, responsible for the investment, construction, and management of power transmission and distribution across five southern provinces—Guangdong, Guangxi, Yunnan, Guizhou, and Hainan—serving nearly 300 million people and accounting for 20% of the country's grid. Headquartered in Guangzhou and established in 2002, CSG plays a key role in cross-regional power transmission and power trading in China.

CSG is actively involved in the development, construction, and operation of high-voltage direct current (HVDC) transmission projects that enable efficient, long-distance electricity transfer across regions, helping to ensure stable and reliable power supply throughout its service territory.

Clean Path NY

Clean Path NY is a major $11 billion infrastructure initiative designed to deliver emissions-free renewable energy to New York, developed through a public-private partnership between Invenergy, energyRe, and the New York Power Authority. The project integrates over 20 new wind and solar generation assets, energy storage, and advanced transmission, with the goal of achieving New York's ambitious climate targets by reducing fossil fuel emissions and supporting economic and community development statewide.

Central to Clean Path NY is a 1,300 MW, 400kV underground high-voltage direct current (HVDC) transmission line, stretching 281 km and capable of transmitting large volumes of renewable energy efficiently from upstate sources to New York City, providing a backbone for the state’s renewable energy integration.

Conexión Kimal-Lo Aguirre

Conexión Kimal-Lo Aguirre is a company established to develop, construct, and operate Chile's first high-voltage direct current (HVDC) transmission line, linking the Kimal substation in northern Antofagasta with Lo Aguirre near Santiago. This 1,342-kilometer project, set to begin construction in 2025 and complete by 2029, will transport up to 3,000 MW of electricity—representing about a quarter of the country's peak demand—and plays a vital role in enabling the integration of renewable energy and accelerating Chile’s decarbonization plans.

The company's core activities focus on HVDC technology, making it the first to implement such a large-scale direct current transmission system in Chile, which will significantly reduce energy losses over long distances and support the national grid with advanced converter stations and infrastructure.

Copenhagen Infrastructure Partners

Copenhagen Infrastructure Partners (CIP) is a global leader in energy infrastructure investments, specializing in the development and construction of large-scale renewable energy projects such as offshore and onshore wind, solar PV, and other green technologies. With over €32 billion raised and a project pipeline of 120 GW, CIP is one of the world’s largest dedicated renewables investment firms and aims for €100 billion in renewable energy investments by 2030.

In high-voltage direct current (HVDC), CIP pursues investments and development opportunities to support the transmission needs of complex, large-scale renewable projects, helping to connect remote generation with major demand centers as part of their commitment to advancing modern energy infrastructure.

Crnogorski elektroprenosni sistem AD (CGES)

Crnogorski elektroprenosni sistem AD (CGES) is Montenegro's national electric power transmission system operator, headquartered in Podgorica. Established in 2009 after separating from EPCG, the company is majority-owned by the Government of Montenegro and manages the country’s high-voltage transmission network, interconnecting with neighboring power systems and being a member of the European Network of Transmission System Operators for Electricity.

CGES is notably active in HVDC through its joint project with Italian operator Terna, constructing a 450-kilometre, 600 MW submarine HVDC cable linking Montenegro (Tivat) and Italy (Pescara), which serves as a strategic interconnection for regional electricity exchange and integration.

Cross Sound Cable

Cross Sound Cable Company, LLC is a high voltage electrical transmission company that provides 330 MW of transmission capacity to customers via a submarine cable system connecting the electricity grids of New England and Long Island, New York. The company is committed to operational excellence, safety, and environmental stewardship, actively managing environmental, social, and governance risks while advancing sustainability initiatives.

The company's primary activity in HVDC (high-voltage direct current) is the operation of the Cross-Sound Cable, a 24-mile (39 km) HVDC Light submarine cable manufactured by ABB Power Technologies AB, serving as a critical energy link between regional power grids.

Cyprus Transmission System Operator (TSOC)

The Cyprus Transmission System Operator (TSOC) is responsible for operating, monitoring, and ensuring the security and efficiency of the country’s electric power transmission system, as well as supporting the management and integration of renewable energy resources. TSOC also develops and manages the electricity market in Cyprus, including day-ahead, intraday, and forward markets, and serves as the national issuing body for guarantees of origin.

TSOC's activities in HVDC (High Voltage Direct Current) are particularly relevant to the support and future operation of electricity interconnectors, which will enable Cyprus to connect with other power systems and integrate more fully into the European electricity market.

Dogger Bank Wind Farm

Dogger Bank Wind Farm, located over 130 km off the North East coast of England in the North Sea, is the world’s largest offshore wind farm, with a planned capacity of 3.6 GW—enough to power up to 6 million homes annually. The project is being developed in three phases—Dogger Bank A, B, and C—using some of the most advanced offshore wind turbines available.

Dogger Bank is the first UK wind farm to utilize high-voltage direct current (HVDC) transmission technology, enabling efficient long-distance delivery of electricity from offshore to the national grid. This marks a significant technological milestone, as HVDC is essential for connecting large-scale offshore wind energy to the grid over such distances.

Environmental Defense Fund

The Environmental Defense Fund (EDF) is a global environmental organization that focuses on delivering bold solutions to address climate pollution and strengthen the resilience of people and nature, working in more than 30 countries with a commitment to science, economics, and practical approaches to environmental challenges.

While the search results do not specifically mention EDF's activities in HVDC (High-Voltage Direct Current), the organization does work broadly on energy issues including pollution reduction from transportation and various climate stability initiatives that may intersect with power transmission technologies.

Eastern Green Link 1

Eastern Green Link 1 (EGL1) is a joint venture between SP Energy Networks and National Grid Electricity Transmission to build a 196km long, two-gigawatt high voltage direct current electrical connection between Torness in East Lothian, Scotland and Hawthorn Pit in County Durham. Construction on this £2.5 billion project is scheduled to start in March 2025, with the aim to be fully operational by 2029, delivering enough electricity for two million homes.

As an HVDC link, EGL1 functions like an electricity superhighway, designed to unlock Scotland's renewable energy reserves by transporting clean energy over long distances. The project includes predominantly undersea cables with about 20km of underground cables, and features a multi-directional design that will increase the resilience and stability of the UK's transmission networks.

EGL 2

Eastern Green Link 2 (EGL2) is a major UK energy infrastructure project consisting of a 505 km subsea electricity transmission cable connecting Peterhead in Aberdeenshire, Scotland, to Drax in North Yorkshire, England. Developed as a joint venture between SSEN Transmission and National Grid Electricity Transmission, EGL2 represents the largest single investment in the UK’s transmission network and will facilitate the transfer of power—primarily from offshore wind—between Scotland and England, enhancing the security, resilience, and flexibility of the UK electricity system.

EGL2 specifically utilizes high voltage direct current (HVDC) technology, featuring a 2-gigawatt subsea cable capable of powering two million homes, and will be the longest HVDC subsea cable in the UK when completed. Construction began following final approval in 2024, with the project expected to be operational by 2029.

EirGrid

EirGrid is the state-owned electricity transmission system operator for Ireland, responsible for the development, management, and operation of the national electricity grid to ensure a secure and sustainable supply of power. The company plays a central role in Ireland's transition to a low-carbon future by planning for increased renewable integration and future-proofing the grid.

EirGrid is directly involved in HVDC activities through its development, ownership, and operation of the East-West Interconnector and Greenlink Interconnector connecting Ireland to Great Britain, and by co-developing the Celtic Interconnector to France with RTE.

ElecLink

ElecLink operates a 1,000MW electricity interconnector between the United Kingdom and France, running two direct current cables through the Channel Tunnel and significantly enhancing energy security for both countries. The project is strategically important for the European energy market, offering infrastructure that manages peaks and troughs in energy demand while aiming for minimal environmental impact.

Their core activity in HVDC (High Voltage Direct Current) involves the operation of the two direct current cables within the Channel Tunnel, which enable flexible electricity transfer between the UK and France.

Eletrobras

Eletrobras (Centrais Elétricas Brasileiras S.A.) is the leading electricity generation and transmission company in Brazil and the largest utility in Latin America, responsible for more than 22% of Brazil’s generation capacity and managing nearly 38% of the country’s transmission network. Founded in 1962 and now a publicly traded company, Eletrobras operates a predominantly renewable energy portfolio, with the vast majority of its power generated from low-emission sources such as hydro, wind, and solar.

Eletrobras is a key player in high-voltage direct current (HVDC) transmission in Brazil, participating in major HVDC projects that are integral to the country’s long-distance, high-capacity power transmission infrastructure.

Electroenergien Sistemen Operator

Electroenergien Sistemen Operator (ESO) is the independent transmission system operator of Bulgaria, responsible for managing and operating the country's high-voltage electricity transmission grid, which spans more than 15,000 km of power lines and 297 substations. ESO oversees operational regime planning, control of the power system, and collaborates with neighboring countries' networks to ensure the efficient and reliable functioning of Bulgaria's electricity system.

Regarding HVDC activities, there is no specific mention of HVDC operations or projects in the available information about ESO, indicating that their primary focus is on AC high-voltage transmission within the national grid.

Elektro-Slovenija

Elektro-Slovenija, d.o.o. (ELES) is Slovenia’s national electricity transmission system operator, established to manage and operate the country’s electric power transmission network. The company is headquartered in Ljubljana and is responsible for ensuring the reliable transmission of electricity across Slovenia, playing a central role in the nation’s energy infrastructure and market.

In the area of HVDC (High Voltage Direct Current), Elektro-Slovenija has been involved in activities related to cross-border electricity connections and grid stability, supporting advances in interconnection capabilities and modernization, although its network remains primarily based on AC transmission lines.

Elering

Elering is Estonia’s independent, state-owned transmission system operator, responsible for ensuring the secure and efficient transmission of both electricity and natural gas throughout the country. Headquartered in Tallinn, Elering operates and manages the national high-voltage electricity and gas transmission networks, playing a key role in maintaining energy security and reliability for Estonian consumers.

In high-voltage direct current (HVDC), Elering is notably involved in the operation and development of the Estlink interconnections, including Estlink-2, a major HVDC cable linking Estonia and Finland that significantly increases transmission capacity and cross-border energy exchange.

Elia Transmission Belgium

Elia Transmission Belgium is the Belgian transmission system operator responsible for managing the high-voltage electricity grid, ensuring reliable electricity transmission from producers to distribution system operators and major industrial users. Based in Brussels, Elia operates both in Belgium and Germany, overseeing the balance between electricity production and consumption, maintaining grid infrastructure, and facilitating cross-border electricity trading.

Elia is active in high-voltage direct current (HVDC) infrastructure, particularly through its offshore grid and interconnection projects, which use HVDC technology to support integration of renewable energy and facilitate electricity exchange with neighboring countries.

Emera

Emera Incorporated is a publicly traded Canadian multinational energy holding company headquartered in Halifax, Nova Scotia. The company invests in regulated electricity generation, transmission, and distribution, as well as natural gas utilities, primarily operating in North America and the Caribbean.

Emera is involved in high-voltage direct current (HVDC) through projects such as the Maritime Link, which supports clean energy transmission between Newfoundland and Nova Scotia, enhancing grid reliability and energy integration in the region.

EnBW

EnBW Energie Baden-Württemberg AG is one of Germany’s largest integrated energy companies, operating as an energy producer and supplier with a focus on electricity, gas, and water services for millions of customers across Germany and Europe. The company is known for its commitment to the energy transition, offering a range of services from power generation—including renewables—to grid infrastructure development and e-mobility initiatives.

In the high-voltage direct current (HVDC) sector, EnBW is involved in the development and operation of advanced grid infrastructure to support the secure transmission of electricity over long distances and enable the integration of renewable energies.

Energinet

Energinet is an independent, state-owned public enterprise that operates and develops Denmark’s national electricity and natural gas transmission systems. Owned by the Danish Ministry of Climate and Energy, Energinet ensures high security of energy supply, manages energy infrastructure, and facilitates equal access for all users while supporting Denmark’s transition to a carbon dioxide free energy system.

Energinet is a co-owner of electrical interconnections to neighboring countries, including Norway, Sweden, and Germany, and is actively involved in the development and operation of high-voltage direct current (HVDC) links that enable cross-border electricity exchange essential for integrating renewable energy and balancing supply and demand.

energyRE

energyRE is a company focused on building and delivering reliable clean power, supporting sustainable projects that foster community development, public health, and environmental stewardship. Their mission centers on advancing the transition to renewable energy by connecting clean power directly to consumers, enabling a more responsible and reliable energy infrastructure.

energyRE is actively involved in high-voltage direct current (HVDC) transmission through projects like the SOO Green HVDC Link, which connects the Midwestern and Eastern power markets to deliver 2,100 MW of renewable energy. This project is a first-of-its-kind infrastructure effort that will significantly decarbonize the regional electric grid and enhance system reliability.

Engie

ENGIE is a global leader in the Net Zero energy transition, with a diverse portfolio of renewable and low-carbon energy solutions and 8.5 GW of renewable and battery capacity under construction across more than 100 projects worldwide. The company maintains a solid financial position with €4.0 billion in cash flow in Q1 2025 and is focused on becoming the "best Energy Transition Utility" through its unique business and geographical mix.

While ENGIE's HVDC activities aren't specifically detailed in the search results, the company is involved in power networks expansion and has been awarded a new electric substation in Chile, indicating their commitment to power transmission infrastructure as part of their energy transition strategy.

Equinor

Equinor is a Norwegian multinational energy company headquartered in Stavanger, primarily engaged in oil and gas production, with additional significant investments in renewables and low-carbon solutions. The company, formerly known as Statoil, operates in over 20 countries and is committed to creating long-term value in a low-carbon future, aiming to become a net-zero energy company by 2050.

In the area of HVDC (high-voltage direct current), Equinor utilizes this technology to support offshore wind and energy transmission projects, integrating renewable energy into power grids and enhancing long-distance electricity transport as part of its efforts to advance the energy transition.

Eskom

Eskom is South Africa's largest state-owned electricity utility and the biggest producer of electricity in Africa, generating about 95% of the country's electricity and supplying around 45% of the electricity used across the continent. The company is responsible for generating, transmitting, distributing, purchasing, and selling electricity, supporting economic growth and serving over 7 million customers throughout the country.

In the field of HVDC, Eskom has developed and operates major high-voltage direct current transmission systems, notably facilitating the long-distance transfer of large amounts of power within South Africa and across its borders.

Fingrid

Fingrid is Finland's national electricity transmission system operator, responsible for maintaining and developing the high-voltage electricity grid to ensure reliable and cost-effective electricity delivery across the country. The company is majority-owned by the Finnish state and plays a central role in shaping Finland's clean and market-oriented electricity system of the future.

Fingrid is actively involved in HVDC (high-voltage direct current) projects, including planning new submarine HVDC connections such as the Fenno-Skan 3 link between Finland and Sweden, which strengthens cross-border electricity transmission and supports the integration of renewable energy.

Great River Energy

Great River Energy is a not-for-profit electric cooperative based in Minnesota, supplying electricity to over 1.7 million people through 27 member distribution cooperatives and serving as the state's second largest electric utility. The organization operates 11 power plants, incorporates a diverse energy portfolio including renewables, and owns or co-owns more than 100 transmission substations and nearly 4,800 miles of transmission lines.

Great River Energy operates a unique high-voltage direct-current (HVDC) transmission line, which is integral to its power delivery network and distinguishes its infrastructure within the region.

Greenlink

Greenlink is a major energy infrastructure project that connects the power markets of Ireland and Great Britain through a subsea and underground electricity interconnector. The project aims to support low-carbon energy integration, enhance security of supply, and provide economic benefits such as job creation and reduced electricity costs.

Greenlink's core activity in HVDC (high-voltage direct current) technology is the construction and operation of a 190 km, 500 MW HVDC submarine power cable between County Wexford in Ireland and Pembrokeshire in Wales, commissioned in January 2025.

Grid United

Grid United is an independent transmission company focused on developing next-generation energy infrastructure to create a more resilient and efficient electric system across the United States. The company is actively engaged in large-scale projects and collaborations to connect regional energy markets, increase grid reliability, and support the integration of renewable energy sources.

Grid United is a key developer of high-voltage direct current (HVDC) transmission lines, most notably leading the North Plains Connector project, which aims to be the nation’s first HVDC link connecting three regional electric markets. Additionally, the company is developing several other HVDC lines in western states to enhance grid interconnections and facilitate the movement of clean energy between regions.

Hydro Quebec

Hydro-Québec is a government-owned utility responsible for the generation, transmission, and distribution of electricity in Quebec, as well as exporting power to parts of the Northeast United States. The company is a major supplier of electricity that places a strong emphasis on clean and renewable energy.

Hydro-Québec is a global pioneer in high-voltage direct current (HVDC) technology, having constructed some of the world’s first large-scale HVDC transmission lines to efficiently deliver hydroelectric power over long distances.

Hydroelectrica de Cahora Bassa

Hydroelectrica de Cahora Bassa (HCB) operates the Cahora Bassa Dam, the largest hydroelectric power plant in southern Africa, located in Tete province on the Zambezi River. The company manages a 2,060 MW hydropower facility and is majority-owned by the Mozambican state, with additional shares held by Portuguese and Mozambican entities.

HCB plays a critical role in high-voltage direct current (HVDC) transmission, exporting most of its generated electricity to South Africa through a 1,800 km HVDC system that includes converter stations at Songo (Mozambique) and Apollo (South Africa), utilizing dedicated high-voltage lines for efficient long-distance power delivery.

Iberdrola

Iberdrola is a Spanish multinational electric utility company and a global leader in renewables and smart grids, serving around 30 million customers and operating in over 40 countries. It is the world’s largest producer of wind power and ranks as one of the largest electricity companies globally by market capitalization, with a strong focus on clean energy, smart grids, and sustainable infrastructure.

In high-voltage direct current (HVDC), Iberdrola is actively involved in constructing, operating, and managing transmission infrastructure, supporting the integration of renewables and helping enhance the efficiency and reliability of cross-border and long-distance electricity transmission.

IFA 1 & 2

IFA 1 and IFA 2 are subsea electrical interconnectors linking the electricity grids of the United Kingdom and France. IFA 1 was the original link commissioned in 1986, while IFA 2, commissioned in 2021, is the second connection developed collaboratively between National Grid and the French transmission system operator RTE, each facilitating secure and affordable electricity exchange between the two countries.

Both IFA 1 and IFA 2 operate using high voltage direct current (HVDC) technology, with IFA 2 being a 1,000 MW HVDC interconnector spanning 204 km beneath the English Channel, enabling efficient transfer of clean energy between the British and French transmission networks.

Independent Power Transmission Operator (IPTO)

The Independent Power Transmission Operator (IPTO or ADMIE) is the national transmission system operator for Greece, responsible for the operation, control, maintenance, and development of the Hellenic Electricity Transmission System. Its core mission is to ensure the reliable and efficient supply of electricity throughout Greece while promoting sustainability, transparency, and equal access to the transmission network.

IPTO is actively engaged in the development and operation of high-voltage direct current (HVDC) systems, including major submarine and underground cable interconnections that link the Greek mainland with the islands and neighboring countries, supporting both energy reliability and cross-border electricity exchanges.

Company name

INELFE (Interconexión Eléctrica Francia-España or Electricity Interconnection France-Spain) is a joint venture company established in 2008 and equally owned by the national grid management companies of Spain and France - REE and RTE - responsible for building and activating electricity interconnections between France and Spain to increase interchange capacity between the Iberian Peninsula and the rest of Europe.

In the field of HVDC, INELFE is currently working on the electricity interconnection across the Biscay Gulf, a fundamentally submarine project between Gatika (Spain) and Cubnezais (France) that will increase exchange capacity from 2,800 to 5,000 MW, with works having begun in 2023 and completion projected for 2028.

Intermountain Power Agency

Intermountain Power Agency (IPA) is a political subdivision of the State of Utah organized in 1977, comprising 23 Utah municipalities that own electric utilities. IPA owns the Intermountain Power Project (IPP), which generates an average of more than 13 million megawatt hours of energy each year from its facility located in the Great Basin region of western Utah.

IPA is currently transitioning from coal-fueled generation to hydrogen-capable natural gas-fueled generation through its IPP Renewed project, which includes the construction of an 840 MW class gas turbine combined cycle plant that will start with a 30% hydrogen fuel mix in 2025 and increase to 100% hydrogen generation by 2045.

Invenergy

Invenergy is a leading developer and operator of large-scale sustainable energy projects, having developed more than 200 projects worldwide since 2001. The company focuses on advancing clean energy solutions and has over 31,000 megawatts in operation, construction, or advanced development.

Invenergy is actively developing high-voltage direct current (HVDC) transmission lines, including the Grain Belt Express project—an 800-mile HVDC line intended to transport wind-generated electricity across multiple states, with the capacity to deliver up to 5,000 megawatts of clean energy. Their HVDC initiatives aim to modernize the power grid and enable large-scale renewable energy integration.

J-POWER

J-POWER, officially known as Electric Power Development Co., Ltd., is a major Japanese electric utility with a 70-year history in power generation, transmission, and consulting services, operating both domestically and internationally. The company is involved in diverse energy sectors including hydroelectric, thermal, and renewable power, and is actively pursuing new technologies for a carbon-neutral and hydrogen-powered society.

J-POWER owns and operates transmission and transformation facilities, notably including cross-regional interconnection lines, and has significant experience in power transmission projects such as High Voltage Direct Current (HVDC) systems.

Kansai Transmission and Distribution, Inc. (Kansai TD)

Kansai Transmission and Distribution, Inc. (Kansai TD) is a Japanese energy company established in 2019 and headquartered in Osaka, specializing in general power transmission and distribution across the Kansai region. It operates as a wholly owned subsidiary of Kansai Electric Power Company and employs over 8,000 people, focusing on delivering reliable electricity to millions of customers.

Kansai TD is involved in high-voltage and specialized power transmission projects, including activities related to HVDC (High Voltage Direct Current) systems, to support stable and efficient grid operation and accommodate renewable energy integration.

KEPCO

Korea Electric Power Corporation (KEPCO) is South Korea's largest electric utility, engaged in the generation, transmission, and distribution of electricity across the country and overseas. KEPCO operates a diverse portfolio of power generation assets, including nuclear, coal, LNG, and renewable energy, and is headquartered in Naju-si, Jeollanam-do, South Korea.

KEPCO is active in the construction and operation of High Voltage Direct Current (HVDC) conversion facilities, supporting the integration of new and renewable energy sources into the grid and enhancing cross-border electricity exchange capabilities.

KETRACO

The Kenya Electricity Transmission Company Limited (KETRACO) is a wholly government-owned corporation established in 2008 to plan, design, construct, own, operate, and maintain Kenya's high voltage electricity transmission grid and regional power interconnectors. KETRACO is responsible for ensuring reliable power supply and enhancing the national transmission infrastructure, with a mandate covering high voltage lines of 132kV and above, as well as fostering regional electricity trade.

In the area of HVDC (High Voltage Direct Current), KETRACO is involved in the planning and development of advanced transmission systems, including interconnectors that support cross-border power exchange and grid stability across the region. Their activities in HVDC facilitate greater integration with neighboring countries and participation in the Eastern Africa Power Pool.

Landsnet

Landsnet is the transmission system operator responsible for owning and operating Iceland’s high-voltage power grid, overseeing all electrical lines and infrastructure transmitting electricity at 66kV or higher. Established in 2005 and majority owned by the Icelandic government, the company manages the stability and reliability of Iceland’s electricity transmission network from its headquarters in Reykjavík.

Regarding HVDC (high-voltage direct current), Landsnet’s main focus is on managing Iceland’s national AC grid, and there is no indication of significant HVDC projects or operations within the company’s current activities.

Litgrid

Litgrid is the Lithuanian electricity transmission system operator that manages electricity flows across the country, maintains stable operation of the national power system, and implements strategic projects in the power sector. As a public company with 97.5% of shares owned by EPSO-G, Litgrid controls over 7,000 km of overhead lines, more than 200 transformer substations, and 17 interconnectors with other countries.

Litgrid is involved in HVDC projects including the NordBalt link with Sweden, the LitPol Link with Poland, and the ongoing Harmony Link project, all of which are part of their strategy to integrate the Lithuanian electricity network with Continental European grids.

Marinus Link

Marinus Link is a proposed undersea and underground electricity and data interconnector that will connect North West Tasmania with the Latrobe Valley in Victoria, Australia. The project aims to strengthen Australia's National Electricity Market by enabling the flow of low-cost, reliable, and clean energy between Tasmania and the mainland, supporting the integration of renewable energy sources.

Marinus Link specifically involves the development of a high voltage direct current (HVDC) system with a planned capacity of 750 megawatts in its first stage, utilizing approximately 250 km of subsea cables and 90 km of underground cables, with converter stations at each end.

MAVIR Magyar Villamosenergia-ipari Átviteli Rendszerirányító ZRt.

MAVIR is the Hungarian Independent Transmission System Operator, established in 2000 and headquartered in Budapest. The company is responsible for the reliable operation of Hungary’s electricity transmission grid, managing high voltage electricity transmission and market operations, and ensuring system balance and electricity supply across the country while operating as an independent and transparent entity.

MAVIR's activities in HVDC (High Voltage Direct Current) are focused on the management and integration of high voltage lines within Hungary's national grid, although there is no specific public information highlighting standalone HVDC projects in their recent portfolio. Their system operation responsibilities include readiness for advanced transmission technologies like HVDC where applicable in cross-border or internal grid connections.

Minnesota Power

Minnesota Power, a division of ALLETE, Inc., is an electric utility serving 150,000 customers across a 26,000-square-mile territory in northeastern Minnesota, supplying both residential and some of the nation’s largest industrial customers. The company’s energy mix is more than 50% renewable, and it has a history of serving the region since its incorporation in 1906.

In the area of HVDC (high-voltage direct current), Minnesota Power is a critical participant, notably operating the Square Butte HVDC transmission line, which delivers power from North Dakota to Minnesota and supports grid reliability and long-distance electricity transmission.

Mutual Energy (moyle)

Mutual Energy is a major player in the Northern Ireland energy sector, owning and operating critical gas and electricity transmission assets, including the only electricity link (the Moyle Interconnector) between Northern Ireland and Scotland. As a mutual company with no shareholders, it manages these strategic assets in the long-term interest of Northern Ireland consumers and ensures the safe, reliable, and efficient operation of vital energy infrastructure.

Mutual Energy's key activity in HVDC is the ownership and operation of the 500 MW HVDC Moyle Interconnector, which provides an essential electricity connection between Northern Ireland and Great Britain, supporting security of supply and facilitating cross-border energy flows.

NamPower

NamPower is the national electric utility of Namibia, responsible for the generation, transmission, and distribution of electricity across the country. It supplies bulk electricity to regional distributors, mines, farms, and local authorities, and is a key participant in the Southern African Power Pool, ensuring energy security and supporting economic development in Namibia.

NamPower owns and operates a world-class transmission system spanning over 25,000 kilometers and invests in strengthening its grid and integrating renewable energy, but there is no public record of current involvement in HVDC (High Voltage Direct Current) projects.

National Energy System Operation (NESO)

The National Energy System Operator (NESO) is the UK's publicly owned organization responsible for planning and managing Britain's energy system, established to accelerate the energy transition and ensure reliable power supply while working towards clean power by 2030 and net zero targets. NESO takes a cross-sector approach by overseeing electricity, gas and hydrogen networks, as well as renewable generation and emerging technologies.

In the HVDC (High Voltage Direct Current) domain, NESO coordinates infrastructure development and grid connections to integrate renewable energy sources, helping to deploy clean power generation across the UK electricity grid as part of its strategic planning responsibilities.

National Grid

National Grid is a British multinational electricity and gas utility company, headquartered in London, operating primarily in the UK and the Northeastern United States. The company owns, maintains, and develops high voltage electricity and natural gas transmission networks, providing essential energy services to millions of customers in both regions.

In high-voltage direct current (HVDC), National Grid is involved in the development, operation, and investment in large-scale clean energy infrastructure, which includes HVDC transmission projects to enhance grid reliability and enable cross-border power flows.

Nemo

Nemo Link is a joint venture between National Grid Interconnector Holdings Limited, part of the UK’s National Grid Plc, and the Belgian Elia group. The company operates an interconnector that electrically links Belgium and Great Britain, enhancing grid reliability and providing access to sustainable energy sources.

Nemo Link's activities in HVDC involve the operation of subsea and underground high-voltage direct current cables, along with converter stations in both countries, enabling efficient and bidirectional transfer of electricity between the UK and Belgium.

Neptune Regional Transmission System

The Neptune Regional Transmission System is a high-voltage power cable network connecting New Jersey and Long Island, New York, delivering up to 660 MW of electricity to the Long Island Power Authority and serving more than 600,000 homes. Spanning approximately 65 miles—50 miles underwater and underground and 15 miles alongside parkways—the system ensures a reliable and largely invisible power link between regional grids.

Neptune is a prominent project utilizing high-voltage direct current (HVDC) technology, featuring a 500 kV DC cable and advanced HVDC converter stations, with Siemens supplying the HVDC equipment. The project exemplifies HVDC’s role in efficiently transmitting bulk power over long distances, especially through underground and submarine applications.

NeuConnect

NeuConnect is developing the first direct electricity interconnector between Great Britain and Germany, creating a vital link between two of Europe’s largest energy markets. The project involves a 725 km subsea and underground cable capable of transmitting up to 1.4 GW of electricity in either direction, enough to power around 1.5 million homes.

NeuConnect’s core activity is the construction and operation of a high-voltage direct current (HVDC) transmission line, utilizing this efficient technology to transfer large amounts of electricity across long distances between the UK and Germany.

New York Power Authority

The New York Power Authority (NYPA) is the largest state public power utility in the United States, owned by the State of New York. NYPA operates 16 generating facilities and manages more than 1,400 circuit-miles of transmission lines, providing some of the lowest-cost electricity in the nation while focusing on clean, renewable power and energy efficiency initiatives.

NYPA is involved in the development and operation of high-voltage direct current (HVDC) transmission lines, leveraging innovative technology to enhance grid reliability and support the integration of renewable energy across New York State.

NextEra Energy

NextEra Energy is an American energy company headquartered in Juno Beach, Florida, and is the world’s largest electric utility holding company by market capitalization. The company owns major subsidiaries such as Florida Power & Light and NextEra Energy Resources, and is a leading provider of clean energy with a significant footprint in wind, solar, nuclear, and natural gas power generation across the United States and Canada.

NextEra Energy invests heavily in energy infrastructure, including new transmission projects, and is involved in building and operating high-voltage electric transmission lines, which can include HVDC technology as part of its broader efforts to support grid reliability and integration of renewable energy.

NGCP (National Grid Corporation of the Philippines)

NGCP is a privately owned corporation established in 2009, responsible for operating, maintaining, and developing the Philippines' power transmission grid, which spans thousands of kilometers and connects the archipelago’s major islands. As the exclusive high-voltage transmission service provider, NGCP ensures the reliable delivery of electricity across the country and coordinates with various power generators, operating under standards set by the Philippine Grid Code and the Transmission Development Plan.

In the field of high-voltage direct current (HVDC), NGCP is engaged in interconnecting major island grids through HVDC transmission links, allowing for efficient bulk power transfer between distant regions and enhancing grid stability across the archipelago.

NL Hydro

NL Hydro, officially known as Newfoundland and Labrador Hydro, is the primary generator and supplier of electricity in Newfoundland and Labrador, Canada, providing more than 91% of the province's electricity, mostly from renewable hydroelectric resources. The company owns and operates major generation assets such as Churchill Falls and Muskrat Falls, serves over 200 communities, and manages a vast transmission and distribution network across some of the province’s most challenging terrain.

NL Hydro is notably active in high-voltage direct current (HVDC) activities, operating the 1,100 km Labrador-Island Link—an HVDC transmission line that connects major hydro assets in Labrador to the island of Newfoundland as part of the Muskrat Falls project.

North Sea Link

The North Sea Link (NSL) is a 720-kilometer subsea interconnector that connects the electricity systems of Great Britain and Norway, making it the world's longest subsea interconnector. Jointly operated by Statnett and National Grid, NSL allows the bi-directional transfer of up to 1,400 megawatts of electricity, supporting security of supply and enabling the exchange of renewable energy between the two countries.

North Sea Link utilizes high voltage direct current (HVDC) technology, featuring advanced converter stations at both ends to ensure stable and efficient power transfer between the grids. The HVDC system is essential to linking the UK and Norwegian grids across such a long subsea distance, enabling the reliable integration and trading of renewable energy resources.

New York Independent System Operator (NYISO)

NYISO is a non-profit organization responsible for operating New York's electric grid and managing competitive wholesale electricity markets across the state. It oversees the reliable operation of approximately 11,000 miles of high-voltage transmission, conducts long-term system planning, and ensures fair and transparent access to the grid for diverse market participants.

NYISO is involved with the integration and operation of high-voltage direct current (HVDC) transmission lines, which help address transmission constraints and enhance reliability—particularly in regions with heavy congestion like New York City and Long Island. These HVDC projects are a key tool in NYISO’s efforts to efficiently deliver clean energy and maintain system reliability amid changing supply and demand patterns.

Operatori i Sistemit te Transmetimit

Operatori i Sistemit te Transmetimit (OST) is Albania's Transmission System Operator, a public company with 100% state ownership established on July 14, 2004, that manages the electricity transmission system in Albania while performing the functions of Transmission Network Operator, Dispatch System Operator, and Market Operator.

There is no specific information about HVDC (High Voltage Direct Current) activities in the provided information about OST, as the available details focus on their general transmission system management, market operations, and balancing functions within the Albanian electricity sector.

Ørsted

Ørsted is a global leader in renewable energy, developing, constructing, and operating wind and solar farms, battery storage, and hydrogen facilities. With more than 10 GW of installed offshore wind capacity, Ørsted is recognized for its commitment to sustainability and is consistently ranked among the world's most sustainable energy companies.

In high voltage direct current (HVDC), Ørsted is engaged in developing and investing in offshore wind projects that utilize HVDC transmission technology to efficiently deliver renewable electricity from offshore sites to onshore grids, supporting the integration of large-scale renewables into energy systems.

Pattern Energy

Pattern Energy is a leading independent energy company that develops, constructs, owns, and operates high-quality renewable energy projects—including wind, solar, transmission, and energy storage—across North America and select international markets. Headquartered in San Francisco, Pattern Energy operates a global portfolio of renewable energy facilities and is recognized for its commitment to sustainability and delivering long-term value to communities and partners.

In high-voltage direct current (HVDC) infrastructure, Pattern Energy is notably involved in large-scale transmission projects such as the SunZia Transmission line, which helps connect renewable energy resources to demand centers and plays a critical role in unlocking markets for clean power.

Polskie Sieci Elektroenergetyczne

Polskie Sieci Elektroenergetyczne S.A. (PSE) is the sole operator of Poland’s high-voltage electricity transmission system and is fully owned by the State Treasury. Based in Warsaw, PSE is responsible for ensuring the reliable and secure operation of the country’s electricity grid, managing power flows, and balancing electricity supply and demand across Poland.

PSE is actively involved in the development and operation of HVDC (High Voltage Direct Current) infrastructure projects, which are essential for integrating cross-border electricity flows and enhancing system stability, particularly as Poland increases its share of renewable energy sources.

Power Grid Corporation of India

Power Grid Corporation of India Limited is a Maharatna public sector enterprise under the Ministry of Power, Government of India, and is the country’s largest electric power transmission utility. It manages and operates about 50% of India’s total power transmission, maintaining a vast interstate and inter-regional grid network with consistently high reliability and availability.

Power Grid has significant expertise in high-voltage direct current (HVDC) technology, owning and operating several major HVDC links and converter stations—such as the Vizag and Chandrapur back-to-back HVDC stations—to enable efficient long-distance bulk power transfer across the nation.

Red Eléctrica de España

Red Eléctrica de España (REE), established in 1985, is the sole transmission system operator for the Spanish electricity system, responsible for ensuring the safe, reliable, and sustainable supply of electricity throughout Spain. As a key driver of Spain's ecological transition, REE manages the high-voltage electricity grid, supports renewable energy integration, and plays a central role in the country's energy infrastructure development.

REE is actively involved in high-voltage direct current (HVDC) projects, notably participating in international interconnection initiatives such as the submarine HVDC links with Morocco and the development of the electricity interconnection with France through INELFE, a joint venture with the French operator RTE.

Redes Energéticas Nacionais

Redes Energéticas Nacionais (REN) is a leading Portuguese energy sector company responsible for the transmission of very-high-voltage electricity and high-pressure natural gas, managing both the National Electricity Transmission Grid and the National Natural Gas Transportation Grid. REN ensures the uninterrupted, stable, and secure supply of energy across Portugal, overseeing planning, construction, operation, and technical management of these key networks.

REN is involved in the development and operation of high-voltage direct current (HVDC) infrastructure as part of its mission to modernize and reinforce grid reliability, supporting efficient long-distance transmission and integration of renewable energy sources.

Réseau de Transport d'Électricité (RTE)

RTE is the electricity transmission system operator of France, responsible for guaranteeing electricity supply throughout the country at all times with consistent quality of service through its 10,025 employees who manage the high and very high voltage network spanning nearly 100,000 kilometers of overhead lines and 7,000 kilometers of underground lines.

As an industrial operator of the energy transition, RTE optimizes and transforms its network to connect new consumption points and low-carbon electricity production facilities, including managing the most extensive network in Europe with 37 interconnections with neighboring countries.

RWE

RWE is a German multinational energy company headquartered in Essen, with over 125 years of history, that generates and trades electricity in Europe, Asia-Pacific, and the United States, currently positioned as one of the largest renewable energy suppliers worldwide after undergoing fundamental changes in its business model.

While there is no specific information about RWE's activities in HVDC (High Voltage Direct Current) in the search results, the company has extensive expertise across major power generation and storage technologies and invests heavily in renewable energy infrastructure including wind farms, solar power, and battery storage facilities across many countries.

Scottish Power

ScottishPower is part of the Iberdrola Group, one of the world's largest integrated utility companies and a world leader in wind energy. As the first integrated energy company in the UK to generate 100% green electricity, they focus on wind energy, smart grids, and driving the transition to a cleaner electric future, investing over £18m every working day to achieve this goal.

In terms of HVDC activities, ScottishPower's Energy Networks division includes SP Transmission Ltd, which holds the transmission licence for central and southern Scotland and owns part of the Moyle Interconnector with Northern Ireland Electricity, managing an extensive network of over 3700km of overhead lines and 600km of underground cables.

Slovenská elektrizačná prenosová sústava

Slovenská elektrizačná prenosová sústava (SEPS) is the operator of the transmission system in Slovakia, responsible for the safe and reliable transmission of electricity across the country. Established in 2002 after separating from Slovenské elektrárne, SEPS manages the Slovak Load Dispatching Office and plays an active role in international electricity interconnections as a member of the European Network of Transmission System Operators for Electricity (ENTSO-E).

SEPS has focused on strengthening international high-voltage interconnections and investing in substation infrastructure, including several major 400 kV projects at the borders. While their core activities center on AC transmission, there is no public indication of large-scale HVDC projects directly managed or operated by SEPS at this time.

SNEL

SNEL (Société Nationale d'Électricité) is the state-owned electricity company of the Democratic Republic of Congo (DRC), responsible for the production, transmission, and distribution of electricity throughout the country. As the major national utility, SNEL plays a central role in providing and expanding access to electrical energy in the DRC.

SNEL’s activities in high-voltage direct current (HVDC) are primarily linked to the development and management of large-scale infrastructure, such as the Inga hydroelectric site, which includes HVDC transmission to facilitate efficient long-distance power delivery within the region.

Sofia Wind Farm

The Sofia Wind Farm is a 1.4 gigawatt (GW) offshore wind project located on Dogger Bank in the North Sea, approximately 195 kilometers off the UK’s north east coast. Currently under construction, it is one of the largest and most advanced offshore wind farms in the world, featuring 100 Siemens Gamesa 14 MW turbines and is expected to power up to 1.2 million UK homes upon completion.

The project utilizes a single offshore converter platform and high voltage direct current (HVDC) transmission technology to efficiently transport electricity generated at sea over a distance of 220 kilometers to landfall in Redcar, Teesside.

SSE

SSE is a leading integrated energy company headquartered in Scotland, operating across the UK and Ireland, and is recognized as the largest renewable energy generator in those regions. The company develops, owns, and operates a diverse portfolio including onshore and offshore wind, hydropower, flexible thermal generation, solar and battery technologies, as well as electricity transmission and distribution networks.

In HVDC, SSE is actively involved through its electricity transmission businesses in the north of Scotland, contributing to the development and operation of high-voltage transmission infrastructure required for long-distance and interregional power transfers, which are vital for integrating renewables and supporting the transition to a net zero energy system.

Scottish and Southern Electricity Networks (SSEN)

Scottish and Southern Electricity Networks (SSEN) is a major UK electricity network operator responsible for both electricity transmission and distribution, delivering power to over 3.9 million homes and businesses across the north of Scotland and central southern England. Part of the SSE plc group, SSEN manages extensive distribution and transmission networks that span some of the UK’s most challenging terrains.

SSEN is actively involved in high-voltage direct current (HVDC) projects, primarily through SSEN Transmission, its subsidiary responsible for the high-voltage transmission network in northern Scotland, which includes key investments and operations in underground and subsea HVDC cables.

State Grid Brazil Holding

State Grid Brazil Holding (SGBH) is a Chinese company belonging to the State Grid Corporation of China group that has been operating in Brazil since 2010, currently owning 24 concessionaires and managing approximately 16,142 kilometers of transmission lines across 13 Brazilian states, making it one of the largest energy companies in the country.

SGBH has been involved in developing major HVDC projects, including the two transmission bipoles from the Belo Monte Power Plant—the largest transmission lines in the world—which utilize pioneering ±800 kV UATCC technology to deliver power across Brazil.

State Grid Corporation of China

State Grid Corporation of China is a state-owned electric utility and the largest utility company in the world, supplying electricity to approximately 1.1 billion people across 26 provinces, autonomous regions, and municipalities in China. It ranks as one of the world’s largest companies by revenue and workforce, serving key megacities such as Beijing, Shanghai, Chengdu, Chongqing, and Jiangsu.

State Grid is a global leader in high-voltage direct current (HVDC) technology, actively developing, constructing, and operating extensive HVDC transmission projects to efficiently deliver large-scale electricity across vast distances in China and internationally.

Statkraft

Statkraft is a Norwegian state-owned hydropower company and Europe’s largest generator of renewable energy, operating extensively in hydropower, wind, solar, gas, and biomass production. With over a century of history, the company develops, builds, and operates renewable energy assets across Europe, South America, and Asia, and is recognized for its significant role in driving the transition to clean energy.

While Statkraft is a major developer and operator within the broader electricity sector—including hydropower and other renewable sources—there is no specific mention in the available information about Statkraft's direct involvement in high-voltage direct current (HVDC) activities. Any involvement in HVDC would likely relate to connecting their renewable energy assets to transmission networks, but this is not highlighted as a core area of their operations.

Statnett

Statnett is a Norwegian state-owned enterprise responsible for owning, operating, and constructing the transmission grid in Norway, serving as the system operator of the Norwegian power system and maintaining the balance between consumption and production. As a key player in Norway's green transition, Statnett is owned by the Norwegian state through the Ministry of Petroleum and Energy and plays a crucial role in the country's national emergency preparedness.

In the HVDC sector, Statnett operates international interconnections linking Norway's power system with neighboring countries including Finland, Sweden, Russia, Denmark, the UK, and the Netherlands, facilitating cross-border electricity exchange and supporting the integration of renewable energy.

SunCable

SunCable is an Australian renewable energy company developing the Australia-Asia PowerLink (AAPowerLink), an ambitious project that aims to deliver renewable energy from the Northern Territory to Singapore and other markets through what would be the world's largest solar plant, largest battery, and longest submarine power cable.

In the HVDC space, SunCable is planning to establish an advanced manufacturing facility focused on 525 kV-640 kV HVDC subsea cable systems, which will span 4,300km to connect Darwin with Singapore, supporting Singapore's goal of importing at least 4 GW from low-carbon sources by 2035.

Svenska Kraftnät

Svenska Kraftnät is the state-owned authority responsible for operating, maintaining, and developing Sweden’s electricity transmission system, ensuring it is safe, environmentally sound, and cost-effective. Headquartered in Sundbyberg, it manages the national grid and oversees the balance of electricity supply and demand across the country.

Svenska Kraftnät operates and maintains cross-border power connections, including both alternating current (AC) and high-voltage direct current (HVDC) links, supporting international electricity trade and grid stability.

Swissgrid

Swissgrid is the national grid company of Switzerland, responsible for the operation, safety, and maintenance of the country's 6,700-kilometer extra-high-voltage grid that forms the backbone of secure electricity supply, operating under supervision of the Swiss Federal Electricity Commission ElCom.

Swissgrid manages critical infrastructure of public interest and plays a key role in Switzerland's energy transition, while also serving as an important hub for international electricity trading, with more than 40 lines connecting the Swiss transmission system with other countries.

System Operator for Northern Ireland

The System Operator for Northern Ireland (SONI) is the independent electricity transmission system operator responsible for managing the electricity grid and overseeing the balance of supply and demand in real time for Northern Ireland. SONI plans for the future of the grid, supports the integration of renewable energy, and provides expert advice to government and regulatory bodies on energy policy while operating independently from ownership of generation or infrastructure assets.

In terms of HVDC activities, SONI works closely with partners to integrate high-voltage direct current (HVDC) technology into the grid, particularly in relation to cross-border interconnectors and enhancing grid stability and flexibility as part of Northern Ireland's energy transition.

TasNetworks

TasNetworks is a Tasmanian Government-owned company responsible for electricity transmission and distribution across Tasmania, managing both high-voltage transmission lines and local distribution networks. In addition to its core role in the electricity supply chain, the company also provides telecommunications services and supports the operation and maintenance of critical utility infrastructure throughout the state.

In the field of HVDC, TasNetworks is connected to the National Electricity Market via the Basslink interconnector, a 370 km high-voltage direct current (HVDC) submarine cable that links Tasmania to mainland Australia, enabling energy export and import across the network.

TenneT

TenneT is the national electricity transmission system operator of the Netherlands, headquartered in Arnhem and owned by the Dutch government. It operates the high-voltage electricity grid in the Netherlands and large parts of Germany, managing thousands of kilometers of transmission lines and substations, and ensuring the balance between electricity supply and demand in its regions.

In the area of HVDC (High Voltage Direct Current), TenneT is actively involved in developing and managing electricity connections, including offshore wind farm connections, through its subsidiary TenneT Offshore GmbH. This positions TenneT as a significant player in the integration of renewable energy sources and cross-border HVDC transmission projects in Europe.

TEPCO

Tokyo Electric Power Company (TEPCO) is Japan's major energy utility company engaged in generating, transmitting, and distributing electricity, with approximately 55.94% owned by the nuclear damage compensation and decommissioning facilitation corporation of Japan. TEPCO serves diverse customers across multiple industries, providing energy solutions through a network of service centers located throughout the Kantō region including Tokyo, Kanagawa, Chiba, and several other prefectures.

Regarding HVDC activities, TEPCO Power Grid is responsible for managing the power grid around the Kantō region and transmits and distributes electricity between electricity wholesalers and retailers, though specific HVDC projects are not detailed in the available information.

Terna

Terna is the largest independent electricity transmission grid operator in Europe and manages Italy’s high and extra-high voltage electricity grid, which is recognized as one of the most modern and technologically advanced in the region. The company plays a central role in the energy transition and sustainable development by operating, developing, and maintaining the national transmission network, while also providing services such as engineering, procurement, and digital solutions in the high-voltage sector.

Terna is actively engaged in the development and operation of high-voltage direct current (HVDC) interconnections, which are crucial for enhancing cross-border energy flows, integrating renewable sources, and ensuring reliable long-distance electricity transmission.

TotalEnergies

TotalEnergies is a global integrated energy company founded in 1924 that produces and markets various energy sources including oil and biofuels, natural gas and green gases, renewables and electricity with over 100,000 employees operating in approximately 120 countries. The company has positioned itself at the forefront of the energy transition, placing sustainability at the heart of its strategy while working to provide energy that is more affordable, reliable, and sustainable.

While the search results do not specifically mention TotalEnergies' activities in HVDC (High-Voltage Direct Current), the company has been expanding its presence in electricity generation and distribution with 31.6 GW of gross installed electricity capacity, of which 26 GW comes from renewable sources, as part of its integrated multi-energy transition strategy.

Trans Bay Cable

Trans Bay Cable operates a 53-mile high-voltage direct current (HVDC) submarine transmission system running beneath San Francisco Bay, linking Pittsburg, California, to San Francisco. The cable delivers up to 400 megawatts of electricity, meeting approximately 40% of San Francisco's peak power needs and enhancing the region's energy reliability.

The company specializes in HVDC technology, utilizing a submarine cable and advanced converter stations at both ends to efficiently transmit high-capacity power beneath the bay, and was the first in the world to implement the Modular Multi-Level Converter (MMC) system in an HVDC setting.

Transelectrica

Transelectrica is the Romanian electricity transmission system operator, responsible for the secure and efficient operation, maintenance, and development of the national high-voltage power grid. As a key player in the Romanian electricity market and a member of ENTSO-E, Transelectrica ensures the balance between electricity supply and demand, also facilitating electricity exchanges with Central and Eastern European countries.

Transelectrica's core activities focus mainly on AC transmission and market operations; there is no specific indication that it currently operates or develops high-voltage direct current (HVDC) infrastructure.

Transmission Investment

Transmission Investment is a leading independent transmission business in the UK, specializing in the development, acquisition, and management of large-scale electricity infrastructure projects, particularly in the offshore transmission sector. The company brings extensive expertise across origination, engineering, financing, construction, and asset management, and is recognized for its active role in shaping industry dialogue with policymakers and stakeholders.

Transmission Investment is a major operator of offshore transmission (OFTO) assets and has substantial experience with High Voltage Direct Current (HVDC) interconnectors, furthering its impact in connecting renewable energy sources—such as offshore wind farms—to the UK grid and supporting the wider energy transition.

TransnetBW

TransnetBW GmbH is one of four major electricity transmission system operators in Germany, responsible for operating, maintaining, and expanding the high-voltage transmission grid in Baden-Württemberg. Their network covers over 3,100 kilometers of 220- and 380-kV lines and ensures a reliable supply of electricity to more than 11 million people and key industries in the region, while also facilitating cross-border electricity flows within Europe.

TransnetBW is actively involved in high-voltage direct current (HVDC) technology projects, contributing to the modernization and expansion of Germany’s grid infrastructure to integrate renewable energies and improve grid stability for the future.

Transpower

Transpower is the state-owned enterprise responsible for owning and operating New Zealand’s national electricity transmission grid, as well as managing the real-time operation of the grid and the electricity market. Its core purpose is to enable a reliable and secure electricity supply that supports New Zealand’s transition to a net-zero carbon economy.

Transpower also operates the High Voltage Direct Current (HVDC) link, connecting the North and South Islands’ electricity networks to facilitate efficient power transfers across the country.

TransWest Express

TransWest Express LLC is a company developing and constructing critical high-voltage interregional transmission infrastructure to enhance America's power grid reliability, with a focus on delivering renewable energy from Wyoming to the Desert Southwest region. The company is developing the 728-mile TransWest Express Transmission Line Project, which will connect the Chokecherry wind farm near Rawlins, Wyoming to a Marketplace substation near Boulder City, Nevada.

In the HVDC sector, TransWest Express is building a bipolar 600kV HVDC transmission line capable of transferring a maximum power of 3,000 megawatts, designed to reliably and cost-effectively deliver approximately 20,000 GWh/year of electric energy generated in Wyoming to Arizona, Nevada, and southern California.

Ukrenergo

Ukrenergo is Ukraine’s national transmission system operator, responsible for the operational and technological management of the country’s Integrated Power System and the transmission of electricity from major power plants to regional distribution networks. The company is fully state-owned, managed by the Ministry of Energy of Ukraine, and oversees a network that spans the entire country with over 21,300 km of high-voltage transmission lines and 137 substations operating at 220–750 kV.

Ukrenergo’s activities in high-voltage direct current (HVDC) include the operation and modernization of interconnections that enable electricity exchange with neighboring countries, supporting cross-border flows and system stability; however, specific HVDC projects or infrastructure under Ukrenergo's direct management are not detailed in the available information.

Vattenfall

Vattenfall is a Swedish state-owned multinational power company and one of Europe’s largest producers and retailers of electricity and heat, operating primarily in Sweden, Germany, the Netherlands, Denmark, and the UK. With over 100 years of history, the company provides energy from a broad mix of sources including hydro, wind, nuclear, solar, gas, and biomass, aiming for a strategy focused on achieving fossil freedom and reducing climate impact.

Vattenfall is active in the field of High Voltage Direct Current (HVDC) through investment and participation in large-scale electricity transmission projects, supporting the integration of renewable energy and cross-border power trading within Europe.

Viking Link

Viking Link is a 1,400 MW high voltage direct current (HVDC) electricity interconnector between the British and Danish transmission systems, connecting at Bicker Fen in England and Revsing in Denmark. Completed in 2023, it is currently the world's longest land and subsea HVDC interconnector, enabling the exchange of renewable energy and improving energy security for both countries.

The company is directly involved in HVDC transmission, specifically through the construction, operation, and maintenance of the 765 km HVDC submarine and land cable system that links the UK and Denmark, facilitating large-scale cross-border electricity transfer.

Xlinks

Xlinks is a UK-based company founded in 2019 by Simon Morrish that aims to accelerate the transition to net zero by developing projects that connect regions with abundant renewable energy to areas with high demand, envisioning a global grid powered by renewable resources. The company's flagship initiative is the Morocco-UK Power Project, which will generate large-scale solar and wind energy in Morocco and deliver it directly to the UK using innovative infrastructure.

Xlinks is a leader in high-voltage direct current (HVDC) technology, planning to build a 3.6 GW HVDC interconnector stretching 4,000 km under the sea—the world’s longest—linking Morocco’s renewable energy resources to the UK grid and supplying up to 8% of the UK’s electricity consumption.

ABC Group

ABL Group is a leading global independent consultancy specializing in energy and marine services, focused on de-risking and driving the energy transition across renewables, maritime, and oil and gas sectors. With more than 1,800 professionals and offices in over 40 countries, ABL Group delivers technical solutions for safety, sustainability, engineering, and asset management throughout the lifecycle of projects worldwide.

Specifically in HVDC (High Voltage Direct Current), ABL Group provides expert consultancy and engineering support for the development and operation of HVDC projects, leveraging its multidisciplinary team to ensure reliability, risk mitigation, and successful implementation in complex offshore and energy infrastructure environments.

ACDC Transient

ACDC Transient is an independent consulting company specializing in high-voltage direct current (HVDC) technology and the grid integration of renewable energy systems. The company offers services such as grid studies, project support, electromagnetic transient (EMT) model development, and private training, leveraging deep theoretical knowledge and extensive real-world experience.

In HVDC, ACDC Transient provides expert consulting, tailored training, and advanced modeling services focused on HVDC-VSC systems and their integration with renewable energy resources.

AECOM

AECOM is a global leader in infrastructure consulting, offering comprehensive services in the design, engineering, and management of major projects across sectors such as energy, transportation, and the environment. With a presence in more than 150 countries, AECOM connects expertise across disciplines to deliver transformative outcomes for clients worldwide.

In the HVDC (High Voltage Direct Current) sector, AECOM provides engineering and consulting services for the design and implementation of advanced HVDC transmission systems, supporting safe and efficient modern power delivery networks.

AFRY

AFRY is a Swedish-Finnish engineering, design, and advisory company with a global presence, employing more than 17,000 experts across infrastructure, industry, energy, and digitalisation sectors. Founded in 1895, the company focuses on advancing sustainable solutions and driving the transition toward a more sustainable society worldwide.

In high-voltage direct current (HVDC) projects, AFRY offers engineering, design, and advisory services, supporting clients with expertise in complex transmission and distribution initiatives globally.

Arcadis

Arcadis is a global consultancy focused on delivering innovative and sustainable solutions across the energy, resources, and infrastructure sectors. The company partners with clients in industries such as mining, oil and gas, and power, championing decarbonization and supporting the transition to a more sustainable, low-carbon future.

In the high-voltage direct current (HVDC) domain, Arcadis supports clients with services related to power transmission infrastructure, collaborating with utilities and grid operators to help address challenges posed by large-scale renewable integration and energy transition initiatives.

Artelia Group

Artelia Group is an international, multidisciplinary engineering, project management, and consultancy firm based in France, specializing in sectors such as energy, water, building, mobility, and industry. Founded in 2010, the group operates worldwide with over 7,000 employees, delivering services throughout the entire project lifecycle, from consulting and design to asset management and operation.

In the HVDC sector, Artelia is involved in engineering and project management activities for electricity grids, contributing technical expertise to high-voltage direct current infrastructure projects as part of their broader commitment to energy transition and sustainable power transmission solutions.

BakerHicks

BakerHicks is a design, engineering and project delivery company that provides consultancy services for complex infrastructure, process and built environments across the full project life cycle, working with renowned clients on projects ranging from Ireland's largest hospital to Europe's most complex station development.

In the HVDC sector, BakerHicks offers specialized expertise in High Voltage Direct Current converter stations and transmission systems, delivering innovative and buildable solutions as part of their comprehensive power engineering services portfolio.

Black & Veatch

Black & Veatch is a global employee-owned engineering, procurement, consulting, and construction company specializing in large-scale infrastructure development across the energy, water, telecommunications, and government sectors, with over a century of experience and more than 12,000 employees worldwide. The company is recognized for delivering complex power delivery projects and providing a full suite of services from concept through construction and ongoing asset management.

Black & Veatch has extensive experience in HVDC systems, acting as owner’s engineer for projects such as the Mackinac HVDC Converter Station in Michigan, and offering expertise in HVDC technology, system analysis, engineering, and commissioning for advanced transmission solutions.

Blackwater Safety Solutions

Blackwater Safety Solutions specializes in providing comprehensive safety management systems tailored for organizations, with a focus on aligning projects to both local and international compliance standards. Their team brings extensive international expertise in health and safety management, offering services such as safety documentation, compliance templates, and professional staff placements for construction and related industries.

In the HVDC sector, Blackwater Safety Solutions applies its safety management expertise and consultancy services to support high-voltage direct current projects, ensuring these complex engineering environments maintain rigorous health and safety compliance.

Boston Consulting Group

Boston Consulting Group (BCG) is a leading global management consulting firm founded in 1963 and headquartered in Boston, Massachusetts. Recognized as one of the world's most prestigious consulting firms, BCG partners with organizations worldwide to address complex business challenges, specializing in strategy, digital transformation, operations, and corporate development.

BCG has advised a range of energy and infrastructure clients on high-voltage direct current (HVDC) projects, supporting strategic decision-making, technology adoption, and market entry strategies within the rapidly evolving HVDC sector.

Company name

BP Consulting is a UK energy management consultancy dedicated to helping businesses optimize their energy usage and reduce costs through competitive energy tariffs, management strategies, and renewable energy solutions for a range of clients including public sector organizations and SMEs.

In the HVDC sector, BP Consulting provides specialized consulting services as part of their comprehensive energy management solutions, helping clients implement and optimize High Voltage Direct Current systems for more efficient power transmission and integration with renewable energy sources.

Burns & McDonnell

Burns & McDonnell is a 100% employee-owned American multinational firm specializing in engineering, architecture, construction, and consulting, with over 13,500 professionals and more than 75 offices worldwide. Founded in 1898 and headquartered in Kansas City, Missouri, the company delivers critical infrastructure projects and is recognized as one of the largest design firms globally.

Burns & McDonnell is active in high-voltage direct current (HVDC) projects, offering comprehensive engineering and construction solutions for HVDC transmission systems as part of their electrical transmission and distribution services.

Capula

Capula, part of the EDF Group, is a UK-based leader in advanced system integration with over 50 years of experience delivering significant projects across the energy and industry value chain, focusing on operational technology and digital transformation in highly regulated and challenging industrial environments. The company specializes in control, instrumentation, and automation solutions that connect, streamline, and enhance systems to meet increasing performance demands.

In the HVDC sector, Capula designs solutions to increase performance and capacity of transmission systems, leveraging their expertise in automation control and real-time IT solutions to optimize energy management, enhance reliability, and support the integration of renewable energy sources within power grids.

CESI

CESI is a world-leading testing, consulting and engineering company in the field of technology and innovation for the electric power sector, operating in 70 countries with a network of over 1,000 professionals and an almost 70-year legacy to help clients navigate energy transition challenges.

In the HVDC sector, CESI provides specialized design and engineering services for HVDC interconnections, offering power system studies, operational planning, and comprehensive consulting solutions for utilities and transmission system operators worldwide.

DNV

DNV is a global consultancy and independent expert in risk management and assurance, serving a broad range of industries including energy, maritime, oil and gas, and healthcare. With a presence in more than 100 countries and over 15,000 employees, DNV provides services such as technical advisory, certification, and testing, aiming to support clients in making critical decisions with confidence and in advancing the energy transition toward decarbonization.

In the HVDC (High Voltage Direct Current) sector, DNV offers advisory, testing, and certification services that help ensure the reliability, performance, and interoperability of large-scale HVDC transmission projects, supporting utilities and grid operators as they modernize and expand power grids.

Electric Power Engineers

Electric Power Engineers (EPE) is a leading engineering consulting firm specializing in energy and power systems, with over five decades of experience serving utilities, developers, and power sector clients worldwide. EPE provides comprehensive services in renewables integration, energy storage, transmission and distribution, grid modernization, and digital transformation, leveraging deep expertise and proprietary software to support the evolving energy landscape.

In the area of HVDC (high-voltage direct current), EPE is involved in the planning, design, and development of advanced grid infrastructure, helping clients address complex grid modeling and integration challenges as part of building the integrated grid of the future.

Elia Grid International

Elia Grid International (EGI) is a global engineering consultancy company specializing in complex power system challenges within the energy sector, offering strategic, technical, and regulatory advice related to power transmission, including specialist solutions for integrating renewable energy and developing power infrastructure.

EGI is actively supporting project developers in challenging HVDC (High-Voltage Direct Current) projects, providing expertise in interconnectors that enable enhanced integration of electricity markets and renewable energy sources across international boundaries.

eos projekt GmbH

eos projekt GmbH is an independent, internationally active engineering company founded in 2008 in Hanover, Germany, specializing in innovative solutions for complex projects in submarine and land cable installation. With a team of around 30 experts, the company supports national and global energy companies and grid operators, particularly in the fields of offshore and onshore survey management, installation supervision, and approval planning for cable projects.

In the area of HVDC (High Voltage Direct Current), eos projekt provides engineering services such as project management, technical supervision, and construction support for onshore and offshore HVDC cable installations, contributing to the expansion and modernization of power transmission infrastructure worldwide.

Fichtner

Fichtner is a leading independent engineering and consultancy firm specializing in the energy, environmental protection, water, and infrastructure sectors, with more than 2,000 employees and a presence in over 100 countries. The company provides comprehensive interdisciplinary services—planning, consulting, and project management—for both public and private clients worldwide.

Fichtner is active in high-voltage direct current (HVDC) and alternating current (AC) power transmission, delivering bespoke solutions for all voltage levels and supporting major projects such as offshore wind farm grid connections.

GHD

GHD is a global professional services company offering consulting, engineering, and advisory solutions across sectors such as energy, water, environment, and infrastructure. With a workforce of over 12,000 employees in more than 160 offices worldwide, GHD delivers expertise from project origination to completion, focusing on building sustainable and resilient communities and supporting clients through the energy transition.

In high-voltage direct current (HVDC), GHD provides technical advisory and risk management services that enable the integration of large-scale renewable energy projects and complex grid modernization efforts, helping utilities and developers deliver major clean energy infrastructure.

Hatch

Hatch is a global engineering and project management firm with over 65 years of experience, delivering comprehensive services in renewable power, energy infrastructure, and advanced technology sectors. The company specializes in consulting, design, and implementation support for clients worldwide, particularly in power transmission, renewable energy solutions, and innovative manufacturing.

In HVDC, Hatch offers full-spectrum planning and engineering services for both line commutated converter and voltage source converter technologies, participating in multiple projects across several continents. Their activities include project integration, system studies, design, and implementation for high-profile HVDC projects such as the Maritime Link, Matiari-Lahore transmission, and SunCable, supported by a global HVDC center of excellence.

HVDC Connect

HVDC Connect is a specialized consultancy led by Dr. Samy AKKARI, a proven HVDC specialist with over 12 years of experience who provides expertise in HVDC project delivery, operation, and maintenance services. The company serves as a partner for organizations seeking to optimize their HVDC lifecycle management through professional consultation.

In the HVDC sector, HVDC Connect offers specialized training services for HVDC projects and operation & maintenance of HVDC converter stations, having provided such services to companies like Total Energies and serving as a Principal HVDC O&M Engineer under RTE-international.

HVDC Tech

HVDC Tech specializes in supporting clients in the electrical power sector, focusing on enhancing grid efficiency and enabling advanced energy infrastructure for future-ready power networks. The company provides consultancy and innovative solutions to assist clients with decision-making during industrial transformation.

In the HVDC sector, HVDC Tech works with clients to implement solutions that maximize grid efficiency, supporting the integration and optimization of high-voltage direct current systems for advanced power transmission.

IDOM

IDOM is an international engineering, architecture, and consulting firm with decades of experience in complex energy, infrastructure, and industrial projects across numerous sectors, including renewable energy, nuclear, and oil & gas. The company provides a wide array of services from feasibility studies and technical assistance to detailed engineering, project management, and consulting for clients worldwide.

In the HVDC (High Voltage Direct Current) sector, IDOM is involved in the design and engineering of power transmission and distribution infrastructure, helping clients with new network solutions to support evolving energy consumption patterns and the transition to greener power grids.

INP

INP International Projects is an independent engineering company specializing in power plant and large-scale installation construction, with a broad service portfolio covering process control, automation systems, and power transmission and distribution. For more than 35 years, INP has supported the power generation sector and has extensive experience in energy transmission and distribution, as well as in infrastructure and climate-neutral energy projects.

INP has expanded its expertise in the HVDC (high-voltage direct current) sector as part of its transmission and distribution services, including the integration of energy from renewable sources into the grid and the development of innovative transmission solutions such as submarine and underground HVDC cables for connecting offshore wind farms.

IV

IV is a leading Dutch engineering company with a long-standing history in delivering advanced solutions for the offshore and energy sectors, including the design of wind, hydrogen, oil and gas platforms, floating solar farms, and electricity pylons. Their activities span from initial feasibility studies through to full engineering, procurement, construction, and maintenance, making them a comprehensive partner in the evolving energy landscape.

In HVDC, IV has played a key role in pioneering offshore HVDC substations, including the engineering of BorWin Alpha (the first HVDC substation of its kind) and more recent platforms such as Sofia, Ostwind, Gennaker, and the upcoming 2GW IJmuiden Ver platform, positioning them at the forefront of large-scale offshore HVDC integration for wind energy.

Jacobs

Jacobs is a global professional services firm with approximately $12 billion in annual revenue and around 45,000 employees, offering end-to-end solutions across sectors such as advanced manufacturing, energy, transportation, environmental services, and more. The company specializes in advisory, consulting, planning, design, and program management, delivering innovative solutions to address complex challenges and support a more connected, sustainable world.

In the HVDC sector, Jacobs provides multidimensional consultancy and technical advisory services, supporting major transmission projects and helping utility clients implement next-generation energy infrastructure. Their experience spans the planning, design, and delivery of critical transmission and distribution systems, including those involving HVDC technology, to enable grid modernization and reliable, low-carbon energy solutions.

Manitoba Hydro International

Manitoba Hydro International (MHI) is a subsidiary of Manitoba Hydro, offering engineering consulting, utility management, and innovative solutions for the energy, communications, and technology sectors. Based in Winnipeg, MHI leverages over a century of best-practice experience from its parent utility to deliver sustainable, efficient, and reliable energy services to clients in over 120 countries worldwide.

In the field of HVDC, MHI is recognized for conducting major system design studies and providing expertise in large-scale DC transmission projects, supporting integration and reliable operation of high voltage direct current systems for clients around the globe.

McKinsey & Company

McKinsey & Company, founded in 1926 by James McKinsey, is a global management consulting firm that partners with organizations in the private, public, and social sectors to achieve substantial improvements in their performance, with consultants in more than 60 countries bringing unparalleled expertise to clients worldwide.

While specific information about McKinsey's HVDC (High Voltage Direct Current) activities isn't available in the provided information, McKinsey works with various industries and governments on strategy and management challenges, which may include energy infrastructure projects like HVDC transmission systems as part of their consulting services.

Mola Consulting and Advisory

Mola Consulting & Advisory Ltd operates in the offshore power transmission and renewable energy sectors, offering both technical and commercial advisory services to clients in these fields. The company specializes in engineering-related scientific and technical consulting, with a focus on supporting the deployment and optimization of large-scale energy infrastructure.

In HVDC (high-voltage direct current), Mola Consulting & Advisory provides expert guidance and solutions specifically tailored to offshore transmission projects, contributing to the advancement and reliability of HVDC systems within the renewable energy landscape.

Mosaic Grid Solutions

Mosaic Grid Solutions is an international engineering and consulting company that globally supports grid expansion projects and provides services in architectural, engineering, and professional, scientific, and technical fields. The company was established in 2016 and works internationally to advance energy system solutions.

While specific information about their HVDC activities isn't detailed in the available information, as an engineering company focused on grid solutions, they likely contribute to high-voltage direct current transmission projects as part of their work supporting grid expansion initiatives worldwide.

Mott MacDonald

Mott MacDonald is a global, employee-owned engineering, management, and development consultancy specializing in planning, designing, delivering, and maintaining infrastructure projects across sectors such as transportation, energy, water, and buildings. With multidisciplinary expertise, the company focuses on innovation and collaborative problem-solving to provide sustainable and resilient solutions worldwide.

In the HVDC sector, Mott MacDonald offers consultancy and engineering services for electrical networks, including feasibility studies, design, and project delivery for high-voltage direct current systems as part of their broader commitment to energy transformation and decarbonization.

Ocean Cables

Ocean Cables Limited is a private company based in the UK involved in engineering-related scientific and technical consulting, specialized design activities, and research and experimental development in natural sciences and engineering. Their registered business activities also include silviculture and other forestry activities, reflecting a diverse operational focus.

There is no specific evidence in the available information indicating active involvement by Ocean Cables Limited in HVDC (High Voltage Direct Current) systems or projects.

PAIOL Engenharia

PAIOL Engenharia is a consulting company specializing in electrical engineering, headquartered in Paulínia, São Paulo, with over 10 years of experience in the sector. The company offers a range of engineering services and technical consulting, supporting clients with projects across various segments.

In the area of high-voltage direct current (HVDC), PAIOL Engenharia provides specialized consulting and project services, assisting with the planning, design, and implementation of HVDC systems for electrical infrastructure.

POWER Engineers

POWER Engineers is a global consulting engineering firm specializing in integrated engineering and environmental solutions across various markets, including energy, facilities, communications, and environmental sectors. Their multidisciplinary teams of engineers, scientists, and consultants provide comprehensive consulting services and engineering design to clients worldwide.

In the HVDC (High Voltage Direct Current) sector, POWER Engineers offers specialized services in power delivery, supporting the design, integration, and implementation of HVDC transmission systems for efficient long-distance electricity transport.

Power-Tech Engineers Inc.

Power-Tech Engineers Inc. was established in 1992 by former electrical utility engineers with extensive experience in planning, permitting, and maintaining electrical facilities, evolving to provide comprehensive services to electric, water, oil, gas, and telecom utilities across the United States, Canada, and Latin America.

The company has stayed at the forefront of engineering technology by working in specialized fields including Smart Grid, Substation Automation, and Renewable Energy development, offering expertise in transmission planning, design, and power system studies.

Powertech Labs

Powertech Labs is one of North America's largest multi-disciplinary testing and research laboratories, employing a diverse team of scientists, engineers, and specialists who deliver advanced testing, consulting, and engineering services to support capital assets in the electric utility, OEM, industrial, and clean energy sectors. Based in Surrey, British Columbia, the company operates extensive laboratory facilities and serves a global customer base, including utilities, automotive manufacturers, and government organizations.

In the field of HVDC (high-voltage direct current), Powertech Labs offers specialized testing, engineering, and investigation services to support the integrity and reliability of HVDC transmission and grid infrastructure.

PSC Consulting

PSC Consulting is a global professional services firm specializing in power systems, energy transition, and renewable energy consulting. Founded in New Zealand in 1995, PSC has grown into a multinational company, recognized for its technical expertise and commitment to empowering people to transform the energy industry for a more sustainable world.

PSC offers expert services in HVDC (High Voltage Direct Current) systems, supporting clients with technical consulting across the full lifecycle of HVDC projects, including design, implementation, and operational optimization.

Pterra Consulting

Pterra Consulting is an independent firm specializing in consulting services and technology solutions for the electric power industry, with clients worldwide. Their team brings over a century of combined experience in power system operations, transmission planning, electrical design, and grid integration, focusing on delivering creative and innovative solutions tailored to client needs.

Pterra has significant experience with high-voltage direct current (HVDC) projects, providing expertise in system modeling, integration studies, and analytical support related to HVDC transmission within broader power system planning and operation contexts.

Ramboll

Ramboll is a global architecture, engineering, and consultancy company that delivers expertise and sustainable solutions across various sectors, including buildings, transport, energy, environment & health, water, management consulting, and architecture & landscape. With a presence in over 35 countries and more than 18,000 employees, Ramboll is known for its commitment to creating sustainable impacts for its clients and partners.

Ramboll does not appear to have specific notable activities focused solely on High Voltage Direct Current (HVDC) systems based on the provided information. However, they do provide services related to power systems, which could encompass a wide range of energy-related projects.

RBJ Engineering

RBJ Engineering Corporation, based in Winnipeg, Canada, is a specialist consulting and engineering firm focused on high voltage and transmission systems. The company provides services such as project management, planning and design studies, and specification of both conventional and power electronic transmission equipment, supporting facility owners in developing and maintaining reliable transmission infrastructure.

RBJ Engineering’s expertise includes HVDC (high voltage direct current) systems, particularly in the planning, design, and specification of power electronic transmission equipment and digital control and protection system technologies.

RTE International

RTE International is a consulting and engineering company specializing in all aspects of electricity transmission, providing tailored solutions for the development, operation, and maintenance of power grids worldwide. As a subsidiary of RTE, Europe’s largest electricity transmission system operator, RTE International leverages decades of expertise to deliver projects in over 165 countries since its founding in 2006.

In the HVDC (high-voltage direct current) sector, RTE International offers expert services and studies to support the integration and management of complex HVDC systems within modern power grids.

Sargent & Lundy

Sargent & Lundy is an engineering firm founded in 1891 by Frederick Sargent and Ayres Lundy with a mission to electrify the world, pioneering numerous advancements in the power industry over their 132-year history while serving clients in more than 100 countries from over 30 office locations.

While the search results don't specifically mention HVDC activities, Sargent & Lundy has extensive experience in power delivery systems, having engineered thousands of circuit miles of transmission and distribution systems and continued to innovate in areas like smart grids and electric transportation grids.

SEAR Group

SEAR Group is a specialist in complex electrotechnical systems, offering solutions in energy distribution, energy transmission, plant security, automation, and software for both onshore and offshore applications. Operating since 1904 and with approximately 250 employees worldwide, the group provides comprehensive services from consulting and planning to installation, commissioning, and maintenance across sectors such as energy technology, nuclear technology, and industrial automation.

In the field of HVDC (high-voltage direct current), SEAR Group’s expertise includes the delivery and installation of HVDC switchgears as part of their energy transmission solutions, supporting projects that require advanced high-voltage infrastructure.

Serala Power Consulting

Serala Power Consulting offers specialist consulting engineering and advisory services focusing on HVDC (High Voltage Direct Current), power electronics, flexible AC transmission systems (FACTS), and power transmission technology strategy. Led by Director and Principal Consultant Thomas Magg, the company brings over 27 years of experience in the electric power industry across Africa and internationally, providing solutions from project conceptualization to commissioning and operational analysis.

In HVDC, Serala Power Consulting is recognized for its expertise in technical specifications, tender evaluation, design reviews, owners engineer roles during project implementation, and system commissioning, supporting utilities and suppliers in complex high voltage DC projects.

Stantec

Stantec is a global leader in sustainable engineering, architecture, and environmental consulting, providing expertise and innovative solutions to address complex challenges in infrastructure, energy, and urban development. With a workforce of over 32,000 employees across 450 locations worldwide, the company specializes in planning, evaluation, and design for a variety of sectors including transportation, water, community development, and environmental management.

In the HVDC (high-voltage direct current) sector, Stantec offers comprehensive consulting services for the planning, design, and delivery of HVDC projects, supporting clients through the entire project lifecycle from feasibility studies to implementation.

Tetra Tech

Tetra Tech is a leading provider of consulting and engineering services in the fields of energy, water, environment, and infrastructure, with global expertise in delivering solutions for transmission, distribution, and clean energy transitions. Their teams support clients through every stage of energy projects, specializing in planning, permitting, engineering design, and implementing modern technologies to create resilient and sustainable power systems.

In the HVDC (high-voltage direct current) sector, Tetra Tech offers advanced engineering, routing, permitting, and design services, helping utilities integrate HVDC technology to improve grid resilience and efficiently deliver reliable power as part of broader transmission projects.

Tractebel

Tractebel is a global engineering and consulting company specializing in integrated solutions for sustainable energy, water, and infrastructure projects. As a subsidiary of ENGIE, the company delivers services across the project lifecycle, including strategy, design, engineering, and project management, with a mission to support a carbon-neutral future.

In the high-voltage direct current (HVDC) sector, Tractebel provides engineering and consulting expertise for the transmission and distribution of electricity, contributing to the development and implementation of advanced HVDC projects to enhance the reliability and efficiency of energy systems.

Transgrid Solutions

Transgrid Solutions is a global expert in power transmission engineering and consulting, offering specialized services in power system analysis, renewable integration, and advanced simulation for utilities and industry clients worldwide. Based in Winnipeg, the company has decades of experience delivering engineering solutions and consulting services for complex power infrastructure projects.

Transgrid Solutions is recognized for its significant expertise in high-voltage direct current (HVDC), providing end-to-end consulting, design, and operational studies for HVDC projects, including system integration and the delivery of complex links such as offshore wind connections and grid upgrades.

Wood Group

Wood Group, also known simply as Wood, is a global leader in consulting, engineering, and project delivery services focused on designing the future of energy and materials across more than 60 countries. The company provides comprehensive solutions to enhance performance of industrial assets throughout their lifecycle, serving markets including oil and gas, chemicals, environment and infrastructure, power and process, and clean energy.

While the search results don't specifically mention HVDC activities, Wood delivers engineering and technical services across energy markets, which likely includes work in high-voltage direct current transmission as part of their power sector solutions and infrastructure expertise.

WSP

WSP is a global engineering and professional services consultancy that provides technical expertise and project management services across the energy sector, supporting clients in the development, operation, and modernization of utility-scale power systems and infrastructure. The firm is deeply involved in the energy transition, helping clients advance towards cleaner power generation, grid resiliency, and sustainability goals through services spanning advisory, engineering design, environmental compliance, and construction management.

In the HVDC sector, WSP delivers specialized engineering, owner’s engineering, and project management services for high-voltage direct current (HVDC) transmission projects, including major underground and submarine systems such as the Champlain Hudson Power Express, with experience up to ±600kV HVDC. Their work encompasses technical design, permitting, and construction oversight for HVDC lines, enabling the integration of renewable energy over long distances and supporting reliable grid operation.

AP Sensing

AP Sensing is a leading solution provider for Distributed Fiber Optic Sensing (DFOS) technology, developing innovative monitoring solutions based on HP/Agilent's optical testing expertise to protect critical infrastructure with high-performance, reliable systems that deliver real-time insights.

In HVDC applications, AP Sensing's distributed temperature sensing (DTS) and distributed acoustic sensing (DAS) technologies provide continuous 24/7 monitoring of underground and submarine power cables, enabling precise localization of hotspots and cable faults while computing actual ampacity to ensure maximum network performance under safe operational conditions.

Arteche

Arteche is a global leader in the electric power industry, providing advanced solutions and equipment such as instrument transformers, auxiliary relays, and substation automation to customers worldwide. With nearly 75 years of experience, Arteche is recognized for its innovation, adaptability, and commitment to delivering reliable products and services across the generation, transmission, and distribution sectors.

In the HVDC sector, Arteche develops optical current transformers and specialized measurement solutions, leveraging the Faraday effect for accurate DC current measurement in high-voltage applications. Their optical transformers are designed for precision, safety, and easy integration into digital substations, offering flexible digital and analog interfaces tailored to HVDC system demands.

Black Swift Technologies

Black Swift Technologies, founded in 2011 and based in Boulder, Colorado, specializes in the development of highly accurate and robust unmanned aircraft systems (UAS) designed for demanding atmospheric environments. Their purpose-built aerial platforms are used worldwide for scientific research missions in extreme conditions, including wildfire monitoring, volcano assessments, tornado and hurricane research, and other challenging field campaigns.

There is no specific mention of Black Swift Technologies' involvement in HVDC (high-voltage direct current) activities; their expertise and activities are primarily focused on advanced UAS platforms, avionics, and data-driven atmospheric research.

Coil Innovation

Coil Innovation, founded in 2004 and headquartered in Eferding, Austria, is a global leader in the development, design, and manufacture of air-core dry-type reactors for electrical power systems. The company exports more than 95% of its products worldwide and maintains a strong international presence, supported by strategic partners and a US office in Raleigh, North Carolina.

In HVDC applications, Coil Innovation specializes in supplying advanced air-core dry-type reactors designed for high-voltage direct current systems, providing solutions for current limiting and system reliability in major HVDC projects around the world.

Cressall Resistors

Cressall Resistors is a leading manufacturer with over 100 years of experience, offering a broad range of power resistor technologies for low, medium, and high-voltage applications. Their products serve demanding sectors such as power generation, electrical distribution, renewable energy, transportation, and industrial automation, earning them a global reputation for engineering excellence and manufacturing quality.

In the HVDC sector, Cressall provides high voltage filter resistors that are integral to HVDC converter stations and damping networks, supporting critical functions in voltage source converter (VSC), SVC, and MSCDN systems.

HAEFELY

HAEFELY is a Swiss company founded in 1904 by Emil Haefely, renowned for its premium high voltage test equipment solutions serving manufacturers in the power, distribution, and transformer industries. Based in Basel, the company employs a highly qualified engineering team and operates a global network for sales, service, and customer support.

In the HVDC sector, HAEFELY provides advanced high voltage test equipment specifically designed for testing HVDC power transmission systems, supporting product development and quality assurance for cables, transformers, and switchgear.

HICO America

HICO America, headquartered in Pittsburgh, PA, is a leading provider of high-quality power transformers, shunt reactors, and gas-insulated switchgear, serving the North American utility market with products manufactured at its state-of-the-art facility in Memphis. The company is a wholly-owned subsidiary of Hyosung Heavy Industries Corporation and is committed to innovation, quality, and supporting infrastructure and renewable energy initiatives.

HICO America's activities in HVDC (High Voltage Direct Current) include the manufacturing of large power transformers and advanced switchgear technologies that support flexible and reliable power transmission for HVDC projects and networks.

High Volt

High Volt, officially known as HIGHVOLT Prüftechnik Dresden GmbH, is a global leader in high voltage test and measurement technologies with over 120 years of experience, providing innovative solutions that ensure the reliability of electrical systems worldwide.

In the HVDC sector, High Volt offers modular test systems with rated voltages up to 2400 kV and currents from 5 mA to 500 mA, designed specifically for testing HVDC cables, DC bushings, converter transformers, thyristor valves, and overhead line components.

JSHP Transformer

JSHP Transformer, founded in 1967, is a family-owned company and one of the world’s largest manufacturers of transformers, with a production capacity reaching 200,000 MVA and voltage ratings up to 850kV. The company is recognized as the largest producer of medium power transformers globally, delivering over 111,500 MVA in 2022 and maintaining a strong reputation in the global transformer market.

In the HVDC sector, JSHP manufactures power transformers, shunt reactors, and phase-shifting transformers for high voltages such as 500/750kV and 220/345kV, and has supplied more than a hundred high-voltage units—including multiple auto-transformers—to major utility companies in the USA and Canada since 2009.

Koncar Instrument Transformers

Koncar Instrument Transformers is a Croatian manufacturer specializing in high-voltage instrument transformers, producing current, voltage, and combined transformers for voltage levels ranging from 72.5 kV up to 800 kV, with a track record of reliable products and decades of industry experience. The company serves international markets and has supplied major clients, including utility operators in Europe, reinforcing its reputation for quality and long-term performance.

In the HVDC (High Voltage Direct Current) sector, Koncar Instrument Transformers is involved in the development and production of high-voltage reactors and specialized instrument transformers tailored for HVDC systems, supporting advanced power transmission and grid integration projects.

KraftPowercon

KraftPowercon is a Swedish company specializing in industrial power conversion solutions, offering innovative products and services to make processes more secure, reliable, and efficient across various industries, from super tankers to nuclear power plants.

In the HVDC sector, KraftPowercon provides converter cooling and power conversion solutions that are essential for maintaining reliable and efficient high-voltage direct current transmission systems, leveraging their expertise in high current and high voltage applications.

Lamifil

Lamifil is a globally recognized manufacturer of high-quality cables, wires, and wire-based products, with a heritage dating back to 1929 and headquarters in Belgium. The company specializes in serving Distribution System Operators (DSOs) and Transmission System Operators (TSOs) by providing innovative overhead conductor solutions and tailored support for power transmission challenges.

In HVDC, Lamifil develops specialized overhead conductors designed to boost grid capacity and efficiency, delivering advanced solutions that support the integration and expansion of modern power transmission networks.

Lapp Insulators

Lapp Insulators is a leading manufacturer and supplier of high-voltage insulators with a global sales network spanning over 70 countries, tracing its heritage back to 1889 in Germany and 1916 in America through renowned brands like Rosenthal and Siemens. The company's reputation is built on uncompromising quality, safety standards, and customer service, providing insulators that perform dependably for decades even under harsh environmental conditions.

In the HVDC sector, Lapp Insulators specializes in producing custom ceramic hollow and post insulators designed to withstand the extreme mechanical and electrical demands of high voltage direct current systems, supporting modern power transmission infrastructure and energy projects worldwide.

Lorünser

Lorünser Austria is a specialist in high-voltage technology, with over 70 years of experience manufacturing components and parts for substations and outdoor switchgear systems. Based in Schlins, Austria, the company operates globally with more than 35,000 products and has been involved in numerous major energy infrastructure projects across more than 40 countries.

Lorünser is active in the HVDC sector, supplying tailor-made, safety-tested connectors, clamps, busbars, and related fittings for high-voltage direct current substations and transmission projects, including high-profile international HVDC links.

Microelettrica Scientifica

Microelettrica Scientifica is a global company specializing in the design and manufacture of electromechanical and electronic components for mobility and industrial sectors, with a legacy of over 70 years and a presence in several countries. The company, now part of the Knorr-Bremse Group, offers a broad range of products such as contactors, high-speed circuit breakers, switchgear, resistors, energy metering systems, and protection relays, serving industries from rail transportation to petrochemicals and utilities.

In the field of HVDC (High Voltage Direct Current), Microelettrica is recognized for its expertise in DC railway infrastructure and integrated solutions, including the design and manufacture of DC high-speed circuit breakers and switchgear used in advanced HVDC rail and industrial applications.

MS Resistances

MS Resistances is a leading manufacturer specializing in high voltage and high power resistors, with over 30 years of expertise in designing solutions for demanding industrial applications. Their team of experienced engineers provides tailored products and services to major international projects, earning trust from global partners in the power transmission, distribution, and conversion sectors.

In the HVDC (High Voltage Direct Current) field, MS Resistances supplies specialized resistor solutions and is recognized as a trusted partner by leading companies involved in HVDC projects worldwide.

Norwegian Energy Partners

Norwegian Energy Partners (NORWEP) is a non-commercial foundation jointly financed by the Norwegian government and industry, dedicated to supporting and assisting the internationalisation of the Norwegian energy sector. Acting as a catalyst, NORWEP connects Norwegian companies with international businesses and governments to strengthen long-term value creation and employment in Norway’s energy industries through focused global initiatives.

Within the HVDC sector, Norwegian Energy Partners promotes and supports the export of Norwegian technologies and solutions, including specialized equipment such as cooling units for HVDC converter stations, by facilitating cooperation between Norwegian suppliers and international projects.

PFIFFNER Instrument Transformers

PFIFFNER Instrument Transformers is a Swiss company with over 95 years of experience, specializing in the development and manufacture of current and voltage transformers, as well as resistive and capacitive voltage dividers for use in utilities, industry, and railways. Renowned for its high-quality, state-of-the-art products and strong global presence, PFIFFNER offers instrument transformers for voltage levels up to 550 kV, emphasizing Swiss quality and in-house control of all key processes.

In the HVDC sector, PFIFFNER provides specially designed instrument transformers tailored for high-voltage direct current applications, offering reliable measurement and protection solutions that meet the demands of modern HVDC transmission systems.

Pfisterer

Pfisterer is a globally leading and independent technology company specializing in high-voltage cable accessories and system solutions for energy infrastructures, with headquarters in Winterbach near Stuttgart, Germany. Founded in 1921, the company develops, manufactures, and sells solutions for the insulation and connection of electrical conductors across the entire power grid, from generation to transmission and distribution, and operates internationally with over 1,200 employees at multiple production sites.

In the HVDC sector, Pfisterer supplies advanced components and cable accessories that are critical for high-voltage direct current transmission systems, supporting reliable and efficient long-distance power transmission and the integration of renewable energy sources into modern grids.

Company name

Roxtec is a Swedish company founded in 1990 that specializes in the development and manufacture of cable and pipe sealing solutions, providing complete sealing systems that protect life and assets while ensuring safety and operational reliability in demanding projects worldwide.

In the power transmission sector, particularly HVDC applications, Roxtec provides flexible sealing solutions that protect electrical systems by creating reliable barriers against multiple hazards including fire, water, gas, and electromagnetic disturbances.

Sci Break

Sci Break develops high-voltage, fast-acting circuit breakers designed to improve the reliability and capacity of modern power transmission grids. Their technology is aimed at enabling broader integration of renewable energy by strengthening and future-proofing both DC and AC grid infrastructure.

In the HVDC (high-voltage direct current) sector, Sci Break specifically focuses on providing circuit breakers that are essential for the safe and efficient operation of DC grids, playing a key role in the development of the supergrid and the expansion of renewable energy transmission.

Sediver

Sediver is a global technical expert in overhead line insulator technology with over 70 years of experience, ensuring the highest reliability and performance of transmission systems throughout the service time of lines under all environmental conditions.

In the HVDC sector, Sediver developed High Resistivity Toughened Glass formulation specifically for HVDC applications in 1985, and provides specialized toughened glass insulators designed for high voltage direct current transmission systems.

Teesing

Teesing is a global supplier and manufacturer specializing in high-quality components and assemblies for the transportation, control, sealing, distribution, filtration, purification, and measurement of gases and liquids. With over 70 years of experience and offices in the Netherlands, the United States, Taiwan, and China, Teesing delivers solutions across a variety of sectors, emphasizing quality, innovation, and close collaboration with partners.

In the HVDC sector, Teesing provides specialized cooling solutions for converter stations, leveraging its expertise in assembly, precision engineering, and cleanroom operations to meet stringent technical and cleanliness requirements.

Teijin Aramid

Teijin Aramid is a global leader in the production of high-strength synthetic fibers, notably Twaron®, Technora®, and Teijinconex®, with headquarters in the Netherlands and part of the Japanese Teijin Group since 2000. Their aramid materials are used across diverse industries, including automotive, aerospace, civil engineering, protective clothing, and more, and they are recognized for their ongoing commitment to sustainable innovation and recycling in fiber manufacturing.

In high-voltage direct current (HVDC) applications, Teijin Aramid's fibers are utilized to enhance the strength and performance of optical fiber cables and power cables, supporting the reliability and efficiency required for long-distance energy transmission.

Tianjin Jingwei Zhengneng Electrical Energy Equipment Co.

Tianjin Jingwei Zhengneng Electrical Energy Equipment Co., Ltd. (TEEE) is a leading manufacturer based in Tianjin, China, specializing in ultra-high voltage large reactors, particularly dry-type air-core and iron core reactors. Established in 2014, the company’s products are widely used in national and international energy transmission projects, playing a significant role in major grid and new energy industries.

In the HVDC sector, TEEE has provided critical equipment for ultra-high voltage direct current transmission projects, including supplying record-setting HVDC air-core reactors for the world’s first 1100 kV HVDC transmission line, supporting grid stability and advanced power transmission infrastructure.

Trench Group

Trench Group is a global leader in power engineering, specializing in the design and manufacturing of high-voltage electrical products such as instrument transformers, bushings, and coils for utility and industrial customers worldwide. Now operating as an independent company after a carve-out from Siemens Energy, Trench Group is headquartered in Germany with nine factories and four regional hubs, and is focused on sustainable innovation within the energy transmission market.

In the field of HVDC (high-voltage direct current), Trench Group offers specialized high-voltage grid components and solutions that support the integration and transmission of renewable energy, playing a key role in enabling modern, efficient, and sustainable power transmission systems.

Underground Solutions

Underground Solutions, Inc. specializes in providing advanced infrastructure technologies primarily for water, sewer, and conduit applications. Their core offering is Fusible PVC®, a proprietary PVC piping system that uses a patented fusion process to create monolithic, fully-restrained, and leak-free pipelines that comply with industry standards for safety and durability.

Underground Solutions' activities in HVDC (High Voltage Direct Current) are not specifically highlighted in the available information, which focuses on their innovations in pipeline systems for water and sewer applications rather than electrical or HVDC infrastructure.

Allianz

Allianz is one of the world's leading insurers and asset managers, serving approximately 128 million private and corporate customers in nearly 70 countries with a wide range of insurance and asset management services. Founded in 1890 in Munich, the company has grown to become the largest financial services company in Europe with approximately 156,000 employees worldwide and an annual business volume of around 180 billion euros.

While Allianz is primarily known for its insurance and financial services, there is no specific information in the available data about their activities in HVDC (High Voltage Direct Current) technology or transmission systems.

Canopius Group

Canopius Group is one of the market-leading insurance companies specializing in worldwide insurance and specialist underwriting services, with a team of experienced underwriters, risk engineers, and claims specialists providing comprehensive coverage and risk transfer solutions across various sectors.

In the energy sector, Canopius offers specialized insurance for interconnector operators through their Renewable Energy Insurance division, providing protection against physical loss or damage, debris removal, and business interruption for companies involved in electricity transmission including interconnector operators.

Chaucer Group

Chaucer Group is a leading international specialty insurance and reinsurance group headquartered in London with offices overseas, working with brokers, coverholders and clients to protect and support business activities around the world.

The company provides specialty insurance across various sectors, operating both through Lloyd's of London and company markets, with a focus on delivering expert claims management solutions and outstanding service to their clients.

Gallagher

Gallagher is one of the world's largest global insurance brokers, risk management services and consulting firms headquartered in Rolling Meadows, Illinois, with more than 5,200 employees in the UK specializing in risk management and insurance solutions for corporate, commercial, and personal customers.

While the search results do not specifically mention Gallagher's HVDC activities, the company provides comprehensive risk management and consulting services across multiple sectors through a regional network of branches in the UK and has operations in 57 countries, offering client service capabilities in more than 150 countries worldwide.

GCube

GCube Insurance is a leading underwriter for renewable energy projects with over 25 years of experience, specializing in providing insurance services for wind, solar, wave, hydro, and tidal projects across 40 countries globally.

GCube works closely with clients in the energy sector to assess and tackle emerging risks in both onshore and offshore wind power, as well as other renewable energy technologies, helping clients identify, quantify, and mitigate risks efficiently.

McGill Partners

McGill and Partners is a fast-growing boutique specialty (re)insurance broker established in 2019, with significant backing from Warburg Pincus, specializing in innovative risk solutions for clients across the UK, US, Ireland, and Bermuda.

While the firm’s main activities are in general insurance and reinsurance brokerage, including complex risk management for large global companies, available public information does not detail specific involvement in high-voltage direct current (HVDC) projects or insurance tailored to the HVDC sector.

Primo Risk & Control is an international advisory firm that integrates expertise from insurance, finance, engineering, manufacturing, and construction to make submarine cable projects insurable and bankable. Utilizing their proprietary CAERUS software, they provide comprehensive risk analysis and management for subsea cable projects, supporting informed decision making and risk mitigation throughout the project lifecycle.

RibéSalat

RibéSalat is a global insurance and reinsurance broker with 35 years of experience as a risk consultant, managing total premiums of 787M€ and operating in multiple locations including Barcelona, Madrid, Valencia, and London.

While the company offers comprehensive risk consultancy and insurance solutions across various industries, there is no specific information about their activities in HVDC (High Voltage Direct Current) based on the available information.

ACORE Macro Grid Initiative

The ACORE Macro Grid Initiative is a program dedicated to expanding and upgrading America's transmission network to deliver job growth, economic development, a cleaner environment, and lower costs for consumers. By building support for nationwide transmission upgrades, the initiative aims to integrate more low-cost renewable energy, enhance grid resilience, and enable a modern electric system capable of meeting 21st-century demands.

Specifically, the Macro Grid Initiative promotes the deployment of advanced high-voltage transmission technologies, including high-voltage direct current (HVDC) lines, to better connect regions with abundant renewable resources to areas with high electricity demand. The initiative has played a key role in advancing some of the largest recent transmission expansions in the U.S., helping to maximize the efficiency and capacity of the grid through HVDC infrastructure and related policy reforms.

CIGRE

CIGRE (International Council on Large Electric Systems) is a global community established in 1921 in Paris, France, committed to the collaborative development and sharing of power system expertise with thousands of professionals from over 90 countries and 1250 member organizations working together to solve existing and future challenges in the electricity sector.

In the field of HVDC, CIGRE contributes to the advancement of high voltage direct current technologies through its expert working groups and technical committees, producing authoritative reference materials and technical publications that guide the design, operation, and innovation of HVDC systems worldwide.

Energy Systems Integration Group

The Energy Systems Integration Group (ESIG) is a global non-profit organization that unites technical experts to advance the integration and operation of energy systems. ESIG serves as a hub for information, education, and professional networking, supporting the reliable and sustainable transformation of energy grids by fostering collaboration among utilities, grid operators, researchers, and industry stakeholders.

In the area of high voltage direct current (HVDC), ESIG is active through technical workshops, working groups, and research initiatives focused on addressing challenges and sharing best practices for integrating HVDC technologies into modern power systems.

ENTSO-E

ENTSO-E, the European Network of Transmission System Operators for Electricity, is an association representing 40-42 TSOs from 35-36 European countries, supporting the coordinated operation of over 312,000 kilometers of transmission lines and serving more than 530 million consumers. ENTSO-E is responsible for developing standards, network codes, long-term network plans, and facilitating technical and policy cooperation to ensure secure and efficient electricity transmission across the continent.

In the field of HVDC, ENTSO-E actively coordinates the planning, operation, and development of HVDC interconnections and offshore connections, sets related technical standards, and publishes regular statistics and reports on HVDC utilisation and system availability to support integration of renewables and cross-border electricity exchange.

Electric Power Research Institute (EPRI)

EPRI is an independent, nonprofit organization founded in 1972 that conducts research and development related to the generation, delivery, and use of electricity, aiming to address key challenges such as reliability, efficiency, affordability, health, safety, and environmental issues in the energy sector. With a global reach, EPRI collaborates with over 450 companies in 45 countries, supporting innovation across the entire electricity value chain from sustainable energy strategies to system reliability and low-carbon resources.

In the field of high-voltage direct current (HVDC), EPRI advances research and demonstration projects to improve HVDC technology, focusing on enhancing electric system reliability, flexibility, and integration of low-carbon resources through collaborative efforts with utilities and industry partners.

Etch (Energy Transmission Competence Hub)

Etch, the Energy Transmission Competence Hub, is a pioneering research center focused on developing future-proof electricity networks, with an emphasis on large-scale integration of new technologies and underground energy transmission. Founded by EnergyVille and supported by major research institutions and the Flemish Government, Etch advances the energy transition through innovative research, industry collaboration, and training programs aimed at creating reliable and sustainable power systems.

Etch plays a leading role in research and training related to High Voltage Direct Current (HVDC) technology, specializing in the development, simulation, and demonstration of underground HVDC grids and advanced inverter concepts, to support the next-generation transmission system.

HVDC-WISE

HVDC-WISE is a multidisciplinary European project that aims to provide the necessary framework for HVDC grid design to enable reliable and resilient planning and operation of future EU-GB grids, involving 14 partners from 11 countries representing academia, transmission system operators, and industry sectors.

In the HVDC domain, the project specifically investigates concepts and proposes solutions for large-scale HVDC-based transmission grid infrastructures, developing new reliability and resilience-oriented planning tools and identifying HVDC-based grid architectures that can improve system performance while facilitating the integration of renewable energy sources.

IEEE

The IEEE (Institute of Electrical and Electronics Engineers) is the world's largest professional association for advancing technology, serving over 460,000 members in 190 countries. It was established in 1963 from the merger of the American Institute of Electrical Engineers and the Institute of Radio Engineers, focusing on electrical engineering, electronics, and related disciplines.

In HVDC (high-voltage direct current), IEEE issues technical standards, guidelines, and recommended practices, such as for HVDC converter stations, protection and control equipment, and transmission system fault location, supporting the development and safe operation of HVDC technologies.

IEEE Power and Energy Society

The IEEE Power and Energy Society (IEEE PES) is a nonprofit, member-driven organization focused on advancing scientific and engineering knowledge in the electric power and energy sector worldwide. As one of IEEE’s oldest and largest societies, PES develops industry standards, publishes leading research, organizes major conferences, and provides professional development opportunities for its more than 37,000 members.

In the field of HVDC (High Voltage Direct Current), IEEE PES plays a key role by producing technical standards, supporting expert working groups, and publishing research and technical papers that advance and ensure the reliable integration of HVDC technologies within modern power systems.

InterOPERA

InterOPERA is a Horizon Europe-funded project that brings together 21 European partners to develop technical frameworks and standards for electricity transmission, with the overarching goal of enabling interoperability among multi-vendor high voltage direct current (HVDC) grids. Its mission supports the European Union’s target to deploy 300 GW of offshore wind by 2050 by ensuring that different HVDC systems and components from various suppliers can work together seamlessly to accelerate the energy transition.

The project’s activities specifically focus on making future HVDC systems mutually compatible and interoperable by design, which is essential for the grid-forming capabilities of offshore energy and the efficient integration of large-scale renewable power into the European grid.

North Sea Wind Power Hub Programme

The North Sea Wind Power Hub Programme is a collaborative initiative aiming to realize large-scale offshore wind energy in the North Sea by developing artificial energy islands, known as “Power Link” hubs, to support transnational energy integration and help achieve European climate goals. The project brings together Dutch, German, and Danish grid operators to build a cluster of offshore wind farms with interconnections between North Sea countries, targeting a significant contribution to Europe’s green transition and the Paris Climate Agreement.

The hub concept involves using advanced HVDC (High Voltage Direct Current) technology to convert the alternating current generated by offshore wind turbines into direct current on the artificial islands, which is then transmitted via undersea cables to the mainland, supporting efficient and flexible cross-border power exchange and system integration.

PROMOTioN

PROMOTioN was a large-scale European project focused on advancing the offshore energy sector by promoting the development of meshed offshore grids and addressing technical, regulatory, and financial barriers. The initiative involved a consortium of partners from industry and academia, working collaboratively to ensure a reliable, cost-effective, and sustainable offshore electricity infrastructure for the future.

In terms of HVDC, PROMOTioN concentrated significant efforts on high voltage direct current (HVDC) technology as a key enabler for offshore grid interconnections, developing standards, testing technologies, and demonstrating innovative HVDC solutions to facilitate the integration of renewable energy sources into Europe's power grid.

SuperGrid Institute

SuperGrid Institute is a privately owned French company and Institute for Energy Transition specializing in research and innovation for high and medium voltage direct current (HVDC and MVDC) systems and technologies, which are essential for the energy networks of the future. The organization brings together specialists from industry and academia to develop advanced solutions that enable large-scale integration of renewable energy into power grids and facilitate the energy transition.

In the HVDC sector, SuperGrid Institute focuses on developing and testing innovative technologies and power electronics—including AC/DC and DC/DC converters—for efficient and reliable transmission of electricity over long distances. The institute also collaborates on curriculum development and provides specialized training in HVDC to support workforce development for future power grids.

The Institution of Engineering & Technology (IET)

The Institution of Engineering & Technology (IET) is a multidisciplinary professional engineering institution formed in 2006 through the merger of the Institution of Electrical Engineers and the Institution of Incorporated Engineers. Headquartered in the UK with over 156,000 members in 148 countries, the IET inspires, informs, and influences the global engineering and technology community to address pressing societal and technological challenges.

In the field of HVDC (high voltage direct current), the IET is active in sharing research, knowledge, and best practices, supporting the professional development of engineers through technical publications and events focused on HVDC technologies and power systems.

The National HVDC Centre

The National HVDC Centre is a state-of-the-art simulation and training facility in the UK, established to support all High Voltage Direct Current (HVDC) schemes connecting to the Great Britain (GB) grid. Funded by Ofgem and operated by Scottish Hydro Electric Transmission Plc, the Centre collaborates with network operators and manufacturers to de-risk energy projects and help maintain the security and integrity of the electricity grid.

The Centre specializes in HVDC by offering procurement support, real-time simulation studies, detailed training for engineers, and operational diagnostics. Its work enables operators to test, model, and optimize HVDC technology for integrating large-scale renewable energy sources, ensuring efficient and reliable power transmission.

DIgSILENT

DIgSILENT is an independent software and consulting company specializing in advanced solutions for modeling, analysis, and simulation of electrical power systems, including transmission, distribution, generation, and renewables. Their flagship product, PowerFactory, is widely recognized as a leading power system analysis tool, offering dynamic simulation, load flow, short circuit analysis, harmonics studies, and many more sophisticated applications for engineers and organizations worldwide.

In the HVDC sector, DIgSILENT provides software capabilities and consulting expertise for the modeling, simulation, and analysis of high voltage direct current systems, supporting planning and integration of HVDC technologies within complex grids as part of its comprehensive suite of power system studies.

Eaton CYMCAP

Eaton CYMCAP is a comprehensive power cable ampacity software that enables detailed graphical modeling and calculation of ampacity and temperature rise for a wide variety of power cable types and installation conditions. It supports advanced features such as transient thermal analysis, soil modeling, and 3D thermal analysis for the accurate and reliable design of cable systems.

For HVDC applications, CYMCAP includes specialized modules for submarine cables and supports cable ampacity calculations tailored to the specific requirements of HVDC cable installations, aiding engineers in the efficient design and assessment of complex HVDC systems.

Electranix E-TRAN

Electranix E-TRAN is a specialized software tool that automates the translation of power system data from phasor-based load flow and stability analysis programs, such as PSS/E, into PSCAD formats for electromagnetic transient (EMT) simulation. By streamlining the creation of detailed and accurate network equivalents and graphical representations, E-TRAN enables efficient and confident initialization and analysis of power systems in EMT environments.

For HVDC applications, E-TRAN supports the modeling and simulation of HVDC systems within its libraries, allowing users to accurately incorporate HVDC links and devices into comprehensive PSCAD-based system studies.

ELEK (Elektros Inc.)

ELEK, or Elektros Inc., is an American company specializing in electric mobility and sustainable energy solutions. Operating with a vertically integrated model, the company is active in lithium mining, EV charging infrastructure, solar energy storage, and power supply systems for AI data centers, leveraging innovative technologies such as a patent-pending Multi-Port Charging Assembly for flexible vehicle charging solutions.

Regarding HVDC activities, ELEK provides expertise in high-voltage cable design—including guidance on sheath bonding techniques for HV cables—which are essential for the safety and reliability of HVDC and high-voltage AC transmission systems.

EMTP

EMTP is an advanced software tool for simulation and analysis of power systems, known as the Electromagnetic Transients Program, which provides highly accurate modeling capabilities for electromagnetic transients across transmission, distribution, generation, and industrial sectors with over 35 years of development experience backed by major power utilities including EDF, Hydro-Quebec and RTE.

In the HVDC domain, EMTP delivers comprehensive modeling and simulation capabilities for analyzing complex power electronics systems, supporting engineers in the design and operation of HVDC transmission projects through specialized tools that enable detailed studies of both converter technologies and their integration with power grids.

INTEGRATED Engineering Software

INTEGRATED Engineering Software is a leading developer of simulation tools for engineering and scientific designs, specializing in electromagnetic, thermal, and structural analysis. Their software leverages both Boundary Element Method (BEM) and Finite Element Method (FEM) technologies, providing solutions for complex physical modeling across multiple industries.

In HVDC applications, INTEGRATED’s simulation tools are utilized for the analysis and design of electric fields and insulation systems, supporting the optimization and reliability of high-voltage direct current infrastructure.

MathWorks

MathWorks is a leading developer of mathematical computing software, best known for its flagship products MATLAB and Simulink, which are widely used by engineers and scientists for data analysis, simulation, and model-based design. The company serves a broad range of industries, including automotive, aerospace, energy, and communications, and is recognized for accelerating innovation and development in engineering and scientific domains.

In the HVDC sector, MathWorks' tools, particularly MATLAB and Simulink, are extensively used for modeling, simulation, and control system development of high-voltage direct current systems, enabling engineers to analyze system behaviors and optimize performance in energy transmission projects.

Nayak Corporation

Nayak Corporation is a specialized power systems company founded in 1999 that provides professional power system simulation tools along with consulting, support, training, and engineering services, with a focus on empowering customers through open knowledge transfer. Their expertise spans various power engineering disciplines including power system protection, distributed energy resources, micro-grid, and more.

In the HVDC sector, Nayak Corporation offers specialized consulting services and simulation tools for High Voltage Direct Current systems, leveraging their advanced simulation technologies like PSCAD and RTDS to help clients analyze and understand complex HVDC phenomena and develop innovative solutions.

OPAL-RT Technologies

OPAL-RT Technologies is a global leader in the development and manufacturing of high-performance real-time simulation and Hardware-in-the-Loop (HIL) testing platforms for industries such as power systems, energy conversion, transportation, and aerospace. Founded in 1997 and headquartered in Montreal, the company provides advanced simulation solutions that empower engineers and researchers worldwide to accelerate the development of reliable and innovative products.

In the field of HVDC, OPAL-RT offers real-time simulation platforms and testing solutions specifically designed to model, analyze, and validate HVDC control and protection systems, helping utilities and equipment manufacturers ensure safe and efficient HVDC grid integration and operation.

Power Line Systems - PLS-CADD

Power Line Systems is a global leader in developing software for the design and analysis of overhead electric power transmission, distribution, and communication lines, with PLS-CADD as its flagship platform. This software suite provides engineers with capabilities such as terrain modeling, engineering calculations, sag-tension analysis, structure modeling, material management, drafting, and scenario modeling, serving over 1,600 organizations in more than 125 countries.

PLS-CADD supports the design and analysis of high-voltage direct current (HVDC) transmission lines, allowing utilities and engineers to model, analyze, and verify HVDC line structures and performance alongside traditional AC systems.

PSCAD

PSCAD is a leading power system simulation software that allows users to build, simulate, and model electrical systems with a robust, intuitive graphical interface. It provides a comprehensive library of system models and has been developed over more than 40 years, becoming the most popular package for transient power system simulation.

In the field of HVDC (High Voltage Direct Current), PSCAD is widely used for simulating and analyzing HVDC transmission systems, offering detailed models for converters, transmission lines, and controls, which are essential for transient and dynamic analysis in modern power networks.

RTDS Technologies

RTDS Technologies is a leading company in the field of real-time digital power system simulation, based in Winnipeg, Manitoba, Canada. They are renowned for their innovative real-time power system simulators, which have revolutionized the power industry by enabling detailed testing and validation of power systems, including renewable energy and microgrid technologies.

RTDS Technologies' activities in High Voltage Direct Current (HVDC) and Flexible AC Transmission Systems (FACTS) involve the use of their advanced simulators to test and validate the performance of these systems. This allows for the simulation of complex power transmission scenarios, ensuring the reliability and efficiency of HVDC and FACTS systems in real-world applications.

Siemens PSSE

Siemens PSS®E (Power System Simulator for Engineering) is an industry-leading software solution for transmission planning and analysis, widely used by utilities, consultants, and grid operators around the world. It provides a comprehensive suite of analysis tools including power flow, dynamic simulation, short circuit, contingency analysis, and system stability assessments.

In the HVDC sector, PSS®E includes integrated capabilities for modeling and analyzing high-voltage direct current (HVDC) systems, supporting detailed simulation of HVDC interconnections and their impact on transmission networks.

Company name

XTAP (Xtreme Talent Accelerator Program) is a career development initiative that provides technical training, personal career services, and workshops designed to prepare individuals for careers in technology fields. The program offers specialized courses in areas like Full-Stack C# Development, Front-End Development with Angular, and Cybersecurity, equipping participants with the skills needed to enter the tech workforce.

While not specifically focused on HVDC technology, XTAP's comprehensive training approach includes various technical subjects that help participants navigate existing codebases and implement new features for web applications, potentially preparing them for roles that might involve working with advanced technologies like high-voltage direct current systems.

Aalborg University

Aalborg University (AAU), founded in 1974, is a public university in Denmark with campuses in Aalborg, Esbjerg, and Copenhagen. It is recognized for its innovative problem-based learning model and offers a wide range of programs in humanities, social sciences, natural sciences, engineering, and medicine to over 20,000 students, including a significant proportion of international students.

Aalborg University is especially active in research on high-voltage direct current (HVDC) technology, leveraging its strong engineering faculty to collaborate with industry and advance research in power electronics, grid integration, and HVDC systems.

Cardiff University

Cardiff University is a leading public research institution located in Cardiff, Wales, known for its world-class research, innovative spirit, and membership in the prestigious Russell Group. Established in 1883, it is recognized as Wales’s top-ranking university and boasts a diverse, inclusive community committed to real-world impact and academic excellence.

In the area of HVDC (High Voltage Direct Current), Cardiff University is involved in advanced research and development activities, drawing on its strengths in engineering and close collaboration with industry to address challenges in modern energy systems.

Centre for Doctoral Training in Offshore Renewable Energy

The Centre for Doctoral Training in Offshore Renewable Energy (IDCORE) is a collaboration between the Universities of Edinburgh, Exeter, and Strathclyde, along with the Scottish Association for Marine Science. It provides advanced doctoral training that combines technical, environmental, and economic aspects of offshore renewable energy, preparing graduates for leadership roles in industry and academia.

IDCORE's activities include research and education in electrical engineering relevant to offshore renewables, such as the design and operation of offshore electrical infrastructure. This involves work on high voltage direct current (HVDC) systems, which are critical for the efficient transmission of power from offshore installations to onshore grids.

Energy Technology Partnership (ETP)

The Energy Technology Partnership (ETP) is an alliance of 14 Scottish universities, making it the largest academic energy research partnership in Europe. ETP promotes collaboration between universities and industry to deliver world-class research, innovation, and development across a comprehensive spectrum of energy technologies, supporting Scotland’s ambition to remain a leader in energy research and the net-zero transition.

ETP's activities include a focus on energy distribution and infrastructure, which encompasses research and collaboration in areas such as High Voltage Direct Current (HVDC) technology, leveraging the combined expertise of its partner institutions to advance innovation in the transmission and integration of renewable energy sources.

Imperial College London

Imperial College London is a world-leading public research university based in London, specializing in science, technology, engineering, medicine, and business. Founded in 1907, it is renowned for its pioneering research and innovation, with a global reputation and a distinguished history of Nobel laureates and leading scholars.

In the area of HVDC (High Voltage Direct Current), Imperial College London conducts advanced research and technical development, contributing to improvements in HVDC transmission systems and grid integration through its faculties of engineering and specialized research centres.

Company name

TU Delft (Delft University of Technology) is the oldest and largest technical university in the Netherlands, established in 1842, with approximately 27,000 students across 40 technical-scientific disciplines housed in eight faculties. The university offers 16 bachelor's and more than 30 master's programs, combining science, engineering, and design in a socially responsible manner.

TU Delft houses the second-largest High Voltage Laboratory in Europe within its faculty of Electrical Engineering, Mathematics and Computer Science, demonstrating its significant contribution to HVDC research and education.

TU Dortmund University

TU Dortmund University is a young, dynamic institution located in Dortmund, Germany, offering around 80 degree programs across natural sciences, engineering, social sciences, and cultural studies. Renowned for innovation and interdisciplinarity, the university supports cutting-edge research and is internationally recognized for its strengths in engineering, production, logistics, and teacher training.

In the field of HVDC (High Voltage Direct Current), TU Dortmund University is active in electrical engineering research, with particular expertise in advanced power transmission systems and technologies that support the development and integration of HVDC solutions.

Universidade Federal Fluminense (UFF)

Founded in 1960, Universidade Federal Fluminense (UFF) is a large, public university in Brazil, headquartered in Niterói with campuses spread throughout Rio de Janeiro state and even an outpost in the Amazon. It is known for its academic excellence, broad social impact, and innovation, offering a wide range of undergraduate and graduate programs to over 50,000 students and consistently ranking among the top Brazilian universities.

UFF has active research and educational initiatives in electrical engineering and energy systems, including high-voltage direct current (HVDC) technology, contributing to advancements in power transmission and grid modernization in Brazil.

University of Aberdeen

The University of Aberdeen, founded in 1495, is Scotland's third oldest university and the fifth oldest in the UK, currently ranking among the Top 15 UK universities according to recent guides. With a global presence in higher education, Aberdeen serves both its regional community and the wider world, offering outstanding levels of student satisfaction and hosting a diverse community of around 12,000 students from 120 different nationalities.

While the University of Aberdeen is known for its strengths in science, engineering, and education, with approximately half of its students studying medicine, science, or engineering, there is no specific mention of HVDC (High Voltage Direct Current) activities in the available information.

University of Edinburgh

The University of Edinburgh is a prestigious public research university founded in 1582 in Scotland, playing a crucial role in the Scottish Enlightenment and ranking among the top 40 universities globally with a rich history spanning over 400 years.

The University of Edinburgh contributes to HVDC research through its cross-disciplinary approach and innovation-led growth initiatives, helping businesses secure significant investments and advancing technological developments across various fields.

University of Manchester

The University of Manchester is one of the largest single-site universities in the UK, renowned for its world-class research, teaching excellence, and vibrant student experience. With roots dating back to 1824, it is a member of the prestigious Russell Group, boasts more than 41,000 students from over 160 countries, and has been associated with 25 Nobel Prize winners.

Manchester is internationally recognized for pioneering work in high-voltage direct current (HVDC) research and innovation, especially through its Faculty of Science and Engineering, maintaining strong collaborations with industry to advance HVDC technologies and power transmission solutions.

University of Pittsburgh

The University of Pittsburgh is a top-ranked, public research university located in Pittsburgh, Pennsylvania, and is a member of the Association of American Universities. Founded in 1787, Pitt offers a broad range of undergraduate and graduate programs and is recognized for its world-class research, academic excellence, and its historic Oakland campus featuring the landmark Cathedral of Learning.

In high-voltage direct current (HVDC) research and activities, the University of Pittsburgh has developed expertise in power engineering and advanced grid technologies, with involvement in research projects aimed at improving HVDC transmission systems' reliability, control, and integration into modern power grids.

University of Southampton

The University of Southampton is a research-intensive institution and founding member of the Russell Group, ranked among the top 100 universities globally with over 26,000 students from more than 130 countries across its seven campuses in the UK and international branches.

The university has developed strong links with industry partners like Microsoft, IBM and Philips, fostering innovation in various fields including engineering, where expertise in areas relevant to HVDC technologies is part of their extensive research portfolio.

University of Strathclyde

The University of Strathclyde, located in Glasgow, Scotland, is a leading public research university founded in 1796 as the Andersonian Institute and recognized as the UK's first technological university. It is renowned for its strong focus on research, world-class teaching, and close engagement with industry, serving a vibrant, international community of around 30,000 students from over 140 countries.

The University of Strathclyde is highly active in High Voltage Direct Current (HVDC) research, particularly through its Technology & Innovation Centre, collaborating with industry and government on innovative projects in energy systems and electrical power engineering.

University of Waterloo

The University of Waterloo is a leading global research-intensive university in Ontario, Canada, renowned for entrepreneurship and innovation, with over 41,000 students and the world's largest post-secondary co-operative education program that connects students with 8,000+ active co-op employers.

While the search results do not specifically mention HVDC activities at the University of Waterloo, the institution is known for its strong engineering programs and research initiatives that likely contribute to advancements in various technological fields including power systems.

University of Wollongong

The University of Wollongong (UOW) is a leading Australian public research university located in Wollongong, New South Wales, with a global network of campuses and over 33,000 enrolled students. Renowned for its multidisciplinary research, high global ranking, and extensive partnerships, UOW offers more than 300 degree programs and is committed to innovation, sustainability, and excellence in teaching and research.

UOW is active in high voltage direct current (HVDC) research and development, particularly through its world-class engineering and electrical power research groups, contributing to advancements in energy transmission technologies and collaborating with industry partners on modern power systems.

UNSW Sydney

UNSW Sydney is a leading public research university based in Sydney, Australia, ranked among the top 20 universities globally and recognized for its innovative research, transformative education, and global impact. The university is renowned for its career-focused teaching, strong industry connections, and high graduate employability, with its graduates holding the highest median salaries among Australia’s Group of Eight universities.

UNSW has established expertise in clean energy and power systems, including research and development in HVDC (High Voltage Direct Current) technologies, contributing to the advancement of more efficient and sustainable electricity transmission.

Aibel

Aibel is a leading Norwegian service company specializing in engineering, procurement, construction, and installation (EPCI) for the energy sector, particularly within oil, gas, and offshore wind industries. The company operates modern construction yards in Norway and Thailand, employs over 5,000 people, and delivers a full range of services from concept development to maintenance and decommissioning for both onshore and offshore installations.

In HVDC, Aibel is involved in the electrification of energy systems, notably through significant contracts for building offshore wind converter (HVDC) platforms and related infrastructure, supporting the transmission of renewable energy from offshore sites.

Aker Solutions

Aker Solutions is a Norwegian engineering firm headquartered in Oslo, delivering integrated solutions, products, and services to the global energy industry. The company specializes in energy infrastructure, supporting low-carbon oil and gas production and developing renewable solutions, with a heritage dating back to 1841 and a focus on sustainability and digital innovation.

In HVDC (high-voltage direct current), Aker Solutions is involved in the development and execution of advanced energy infrastructure projects, including the engineering and delivery of systems that support wind-to-grid connections and enable large-scale renewable energy transmission.

In the HVDC (high-voltage direct current) sector, Primo Risk & Control specializes in de-risking complex offshore cable systems and export systems, offering independent risk analyses and risk reduction strategies for HVDC transmission projects, including interconnectors and offshore wind farm connections.

Dragados Offshore

Dragados Offshore, founded in 1972 and headquartered in Cádiz, Spain, is a leading engineering, procurement, and construction (EPC) contractor specializing in the oil, gas, and energy sectors. The company delivers comprehensive solutions from initial design through fabrication and offshore installation, serving a global client base from its strategic locations.

In the HVDC sector, Dragados Offshore has secured major contracts to design, build, and install offshore converter platforms integral to Europe's energy transition, including multi-billion dollar projects that support offshore wind power transmission in Germany. The company is also expanding its capacity in Spain to meet growing demand for HVDC platform fabrication supporting large-scale renewable energy infrastructure.

Drydocks World

Drydocks World, part of DP World, is a leading marine and offshore provider specializing in shipbuilding, repair, rig construction, and offshore fabrication for the shipping, oil & gas, and renewable energy sectors. Headquartered in Dubai, the company operates one of the largest ship repair facilities in the Middle East and has completed more than 9,000 projects over its 40-year history, leveraging advanced technology and skilled professionals to deliver large-scale solutions worldwide.

In the HVDC sector, Drydocks World has significantly expanded its fabrication capabilities to support offshore renewable energy infrastructure, including high-voltage direct current (HVDC) platforms essential for the transmission of offshore wind power to onshore grids. Their new state-of-the-art South Yard facility is purpose-built to deliver complex energy transition projects such as HVDC converter platforms, positioning the company as a key player in this growing market.

McDermott

McDermott is a premier, fully integrated provider of engineering and construction solutions for the energy industry, specializing in transforming both renewable and traditional energy sources while reducing environmental impact through innovative infrastructure design and construction. With a century of project deployment expertise, McDermott leverages its global assets, including seven fabrication facilities and eight marine construction vessels, to deliver solutions across the entire energy value chain.

In the HVDC sector, McDermott has been expanding its project portfolio with notable examples like BorWin6 and a recent 2GW HVDC project, effectively applying its extensive offshore oil and gas capabilities to support the growing offshore wind market.

Nordic Yards

Nordic Yards is a leading shipbuilding and offshore engineering company based in Germany, known for its expertise in constructing large maritime projects such as high-tech ships and offshore platforms. With decades of experience and a reputation for innovation and reliability, Nordic Yards offers comprehensive solutions across all phases of maritime and offshore construction projects.

In the HVDC (high-voltage direct current) sector, Nordic Yards has been involved in engineering and building offshore platforms that serve as critical converter stations for HVDC transmission, supporting the integration of renewable energy into power grids.

Seatrium

Seatrium Limited is a premier global player that provides innovative engineering solutions to the global offshore, marine and energy industries, formed by the merger of Sembcorp Marine and Keppel Offshore & Marine with over 60 years of track record in design and construction of various marine structures.

In the HVDC sector, Seatrium's Energy division, specifically the Fixed Platforms business, focuses on International Renewables Offshore Substations which are essential components in high-voltage direct current transmission from offshore renewable energy sources.

Smulders

Smulders is a leading European company specializing in the engineering, procurement, construction, and integration of offshore wind substations and foundations, with a portfolio exceeding 40 substations situated off the coasts of Western Europe. They have evolved from a steel construction company into a system integrator capable of delivering turnkey offshore wind projects, including full in-house design and build capabilities for substations and foundations.

In the HVDC sector, Smulders works in partnership with the Meyer Group through Neptun Smulders Offshore Renewables to design and build advanced offshore converter platforms, strengthening their position in high-voltage direct current infrastructure for offshore wind projects.