Natsionalna Elektricheska Kompania EAD (NEK) () is a single-owned joint-stock electric company headquartered in

Sofia Sofia is the Capital city, capital and List of cities and towns in Bulgaria, largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain, in the western part of the country. The city is built west of the Is ...

Bulgaria Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea. Bulgaria is bordered by Greece and Turkey t ...

. Bulgarian Energy Holding is the holder of the capital of NEK. The main company's activities are generation and trade of electrical energy. NEK is the owner of 31 hydro and pumped storage

power plant A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the electricity generation, generation of electric power. Power stations are generally connected to an electr ...

s with a total installed capacity of 2737 MW. Most of the hydropower is generated within four hydropower cascades: Belmeken-Sestrimo-Chaira; Batak, Vacha, and Dolna Arda. All are used to cover peak loads, and to regulate the grid system. NEK is a holder of hydro (HPP&PSHPP) generation license, electricity trading license and public power supply license, all issued by EWRC. NEK, through its branch Dams and Cascades, manages 40 dams and the total capacity of the storage reservoirs operated by NEK represents 50.1% of the total controlled water resources of the country.

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* Electric power companies of Bulgaria Government-owned companies of Bulgaria Bulgarian companies established in 1991 {{Energy-company-stub