Electroenergien Sistemen Operator

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.