National Electricity Company (NEK) EAD is the owner and operator of a number of hydro power plants (HPP) and public supplier and provider of last resort of electricity in the country. It is engaged in the generation, purchase and sale of electricity on the regulated and free markets, the supply of electricity to certain customers connected to the transmission grid and the import and export of electricity.
On the regulated market, NEK acts as a single buyer from power generators on the high-voltage grid. As the public provider of electric power in Bulgaria, NEK is the single supplier of electricity at regulated prices to the 4 medium and low voltage distribution companies in Bulgaria and to around 90 industrial customers who are connected to the grid.
NEK is the owner of 30 HPP and pumped storage hydro power plants (PSHPP), with a total installed capacity of 2 713 MW in generating mode, and 937 MW in pumping mode. Most of the hydro power is generated by the 15 largest HPPs, which have a total installed capacity of 2,630 MW. They are operated within four hydro power cascades: Belmeken Sestrimo Chaira; Batak; Vacha; and Dolna Arda. All of these HPPs are used to cover peak loads and to regulate the grid system. HPP and PSPP generation depends on the climate and available water supply during the year. On average, NEK's HPPs generate 5% to 10% of the country's electricity.
The table below shows the electricity generation capacity of each of the company's 15 largest HPPs.
|HPP||Maximum installed capacity (MW)|
|Pumping mode||Generating mode|
|HPP Momina klisura||-||120|
|HPP Tzankov kamak||-||82|
|HPP Studen kladenec||-||82|
NEK holds licences for the following activities:
In its capacity as the public provider of electricity NEK buys and sells electricity in the country at regulated prices determined by the Energy and Water Regulatory Commission (EWRC) and also at freely determined prices in the electricity market.
To view the company's financial statements please go to Financial reports.
For more information please visit www.nek.bg.