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The Volga is a cascade of lowland reservoirs since 1982. This allows flood prevention, river-sea navigation and hydropower generation. The creation of a cascade of hydropower plants led to the flooding of fertile floodplain lands, a decrease in water quality, and drastic algal blooms in the summer season. The alternative solution includes establishment of combined renewable energy plants containing floating solar and pumped storage plants near the existing hydropower plants. This is tentatively estimated to lower ...

The Volga River is essentially a cascade of reservoirs that provide hydroelectric energy. This technical solution made it possible to produce electricity for industrialization, to ensure the passage of river-sea vessels between five seas and to stop floods on the Volga River. Although often considered a green energy source, there are environmental and economic considerations that should be accounted for in a holistic and sustainable perspective, i.e. a life cycle of ca. 50 years, areal inundation by reservoir wate...