World Power Plants

Ossauskoski124 MW Hydroelectric

HydroRenewable

Ossauskoski is a 124 MW hydroelectric power plant located in Finland, operated by Kemijoki Oy. The facility harnesses the energy of flowing water to generate electricity and is part of Finland's renewable energy sector. It ranks as the 5th largest hydro plant in Finland. With 124 MW, it represents 5.21% of the country's total hydro capacity of 2,382 MW. Finland has 95 hydro plants with a combined capacity of 2,382 MW. Compared to the largest hydro plant, Imatra at 192 MW, Ossauskoski is approximately 65% the size. Hydropower is a key component of Finland's energy mix, contributing significantly to the country's renewable energy generation. The Ossauskoski plant takes advantage of Finland's abundant water resources, particularly in the northern regions. It is situated in the Lapland region, approximately 150 km north of Rovaniemi.

Capacity
124 MW
Commissioning Year
1998

28 years old

Owner
Kemijoki Oy
Location
66.0833°, 24.8000°

Finland, Europe

Context & rankings
  • 24. largest of 179 plants in Finland
  • #9,150 worldwide by installed capacity
  • #2,010 of 8,493 Hydroelectric plants worldwide
  • 1.06% of the installed capacity of Finland
Age & fleet comparison

28 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Kemijoki Oy operates 16 plants totalling 825 MW

Regional density

15 plants within 100 km, 605 MW combined

Nearest plant: Tornio (39.5 km)

Data provenance

Location

Coordinates:: 66.083300, 24.800000
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Ossauskoski is a hydro power plant producing approximately 434 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Finland
Continent
Europe
Data Source
Global Power Plant Database

FinlandEnergy Profile

179
Total Plants
11.7 GW
Total Capacity
NuclearHydroBiomassGas
Top Fuels

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