HPP-2 Cascade HPP on the Tolmachyov River is a 25 MW hydro power plant in Kamtsjatka, Russia. It is operated by PJSC "RusHydro". Based on its capacity (estimated), it can supply roughly 25k homes (estimated). It ranks #521 of 678 Russia power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 16.7% of Russia's electricity; the national grid averages 450 gCO₂/kWh (35.7% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1061715.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.
capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel
At 25 MW, HPP-2 Cascade HPP on the Tolmachyov River is below the median hydro plant in Russia (72 MW). Hydropower converts the energy of falling or flowing water into electricity; output depends on rainfall and reservoir level, and large dams also provide grid balancing and storage.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by PJSC "RusHydro". All plants by this company →
This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a polar tundra climate (Köppen ET) — Northern Hemisphere, latitude 52.6°N — which shapes how much energy it can produce and how its output varies through the year.
Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
The #81 largest hydro power plant of 105 in Russia by capacity.
Russia has 105 hydro power plants in this dataset, together about 45,810 MW of capacity.
Coordinates 52.6019, 157.5031 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
HPP-2 Cascade HPP on the Tolmachyov River is a 25 MW source-record hydro power plant in Kamtsjatka, Russia.
Its output is enough to supply roughly 24,828 homes (estimated).
HPP-2 Cascade HPP on the Tolmachyov River is operated by PJSC "RusHydro".
