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Liptovská Mara

Liptovská Mara pumped storage power plant is located by the second “peak-load” reservoir in the upper section of the Váh catchment area, which performs the same functions as the Orava reservoir. The plant has two classical sets featuring the Kaplan turbine and two pumping sets featuring a diagonal reversible turbine (Dériaz system). In addition to the utilisation of the Váh river natural flows, the HPP thus also makes use of the water pumped to the upper reservoir at the time of electricity surplus in the system to generate electricity.


Hydroelectric plants

Slovenské elektrárne operates 31 hydroelectric plants. Their combined output is 1,652.7 MW, representing approximately 38.4% of the Company’s total installed capacity. Majority of the installations is located on the Váh River cascade, or the longest river in Slovakia. On average, the hydroelectric sources generate 2,070 MW annually (consumption of pumped storage power stations excluded), or some 11% of the electricity produced by Slovenské elektrárne.

Because of their very variable power output and operational flexibility, hydroelectric plants are capable to satisfy the swiftly changing demands in the daily-load diagram, pairing nicely with the base load supply covered by nuclear power plants. Slovenské elektrárne has 736.6 MW installed in river hydropower plants and 916.4 MW in pumped storage power stations.