Irkutsk HPP


Results in 2019

662.4 MW

installed power capacity

4.1 TWh

power generation

Irkutsk HPP was the first dam on the Angara cascade and the first large hydroelectric power plant constructed in eastern Siberia.

The power plant is contained in a 240-metre-long and 77-metre-high reinforced concrete building. Its turbine hall houses eight generators, each rated at 82.8 MW. Since its commissioning, the plant has produced 234 bn kWh of electricity and an average of 3.8 TWh per year.

Development plans

In 2019–2022 under the New Power modernisation program, the Group will replace three turbines and three generators at Irkutsk HPP to increase the installed capacity by 68.7 MW.

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