No, the Irkutsk HPP is the least powerful of the entire Angarsk cascade, a total of 662 MW, which is four times less than the second largest HPP - Boguchanskaya (3,000 MW). In addition to the three HPPs, there are nine powerful CHPPs in Irkutsk Oblast, and when their capacities are not enough, the missing energy is bought from other regions, primarily from the energy-surplus Krasnoyarsk Territory (for example, in 2017 they bought 5.4 billion kW*h).
The Bratsk water reservoir has been the main long-term level regulator of the Angara cascade of HPPs: the reservoir’s effective capacity exceeds 35.41 cubic kilometers, or almost 60% of the annual run-off of Angara. Do not forget that all the water reservoirs of the Angara-Yenisei cascade have a complex purpose and are used not only for the needs of the electric power industry, but also for water transport, fisheries, industrial and municipal-and-housing water supply, irrigation, forestry and recreation. As a result, energy, water management, socio-economic and ecological security of the territory including 12 constituent entities of the Russian Federation with an area of 5 million sq. m and a population of more than 20 million people, depend mainly on the operating modes of the HPP, and hence on the regulation of Baikal, Angara, and Yenisei.
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New photo narrative from our #ThePeopleOfTheLake series.
In 2019 we celebrate the 50th anniversary of the Baikal State Natural Biosphere Reserve. Here is a photo tour around its beautiful boundaries, to see its modern visitors’ center, open-air expositions, and eco-tourist complexes.
The expedition for monitoring of the ecological state of Lake Baikal ended in September. It was organized by En + Group together with the Lomonosov Moscow State University and was aimed at determining the actual risks and threats to the lake created by anthropogenic load, technology-related factor and natural processes. The results of the expedition were summed up by its leader, Candidate of Biological Sciences, Senior Researcher at the Department of Hydrobiology of Moscow State University, Mikhail Kolobov.