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Neptune Cable

United States flagUnited States
In ServiceLine
Converter Stations - Neptune Regional Transmission System

Converter Stations - Neptune Regional Transmission System

© Neptune

https://neptunerts.com/neptune-cables/

https://neptunerts.com/neptune-cables/

© Neptune

[PDF] THE NEPTUNE REGIONAL TRANSMISSION SYSTEM 500 kV HVDC PROJECT E. STERN, J. NASH-NEPTUNE RTS, LLC (U.S.A.) C. SCHOENIGER, C. BARTZSCH-SIEMENS (GERMANY) | Semantic Scholar

[PDF] THE NEPTUNE REGIONAL TRANSMISSION SYSTEM 500 kV HVDC PROJECT E. STERN, J. NASH-NEPTUNE RTS, LLC (U.S.A.) C. SCHOENIGER, C. BARTZSCH-SIEMENS (GERMANY) | Semantic Scholar

© Siemens

Undersea Success – The Neptune Project

Undersea Success – The Neptune Project

© Siemens

[PDF] THE NEPTUNE REGIONAL TRANSMISSION SYSTEM 500 kV HVDC PROJECT E. STERN, J. NASH-NEPTUNE RTS, LLC (U.S.A.) C. SCHOENIGER, C. BARTZSCH-SIEMENS (GERMANY) | Semantic Scholar

[PDF] THE NEPTUNE REGIONAL TRANSMISSION SYSTEM 500 kV HVDC PROJECT E. STERN, J. NASH-NEPTUNE RTS, LLC (U.S.A.) C. SCHOENIGER, C. BARTZSCH-SIEMENS (GERMANY) | Semantic Scholar

© Siemens

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none

© Unknown

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none

© Unknown

https://neptunerts.com/neptune-cables/

https://neptunerts.com/neptune-cables/

© Neptune

https://neptunerts.com/neptune-cables/

https://neptunerts.com/neptune-cables/

© Neptune

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Key Specifications

Power Rating
660 MW
DC Voltage
±500 kV

Transmission Distances

Total Transmission
105 km
Onshore
24 km
Offshore
81 km
Overhead
0 km

Quick Facts

Status
In Service
Type
Line
Countries
United States
Power
660 MW
Voltage
±500 kV
Distance
105 km

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Total Project Cost
€2.8B
Cost per MW
€1.4M
Cable Length
1,468 km
Commissioned
2024

Project Cost Breakdown

Converter Stations38%
Cable Systems41%
Overhead Lines (OHL)9%
Misc12%

Annual Power Transfer (TWh)

Route Map & Cable Elevation Profile

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