Finland

Olkiluoto 1 — 1,760 MW Nuclear

Nuclear Verified

Olkiluoto 1 is a 1,760 MW nuclear power plant located in Finland. View location, capacity, and technical details.

Capacity
1,760 MW

Installed

Commissioned
1978

Year online

Owner
Teollisuuden Voima Oyj

Operator

Location
61.24, 21.44

Coordinates

Insights

#1
largest in Finland
#235
largest Nuclear worldwide
#1,045
largest worldwide
1978
10 yrs older than avg
2
operated by Teollisuuden Voima Oyj
13
plants within 100 km

Technical Details

Fuel Type
Nuclear
Capacity
1,760 MW
Commissioned
1978
Status
Operational
Owner
Teollisuuden Voima Oyj
Country
Finland
Coordinates
61.237, 21.443

Estimated Carbon Footprint

Annual CO₂
157,260 t

tonnes / year

Lifetime CO₂
7,862,976 t

over ~50 yrs

Intensity
12 g

gCO₂ per kWh

Annual emissions equal to

34,187
cars / year
20,968
homes / year
7,148,160
trees to offset

Indicative estimate from standard life-cycle emission and capacity factors — not a measured figure. Open calculator

Nearby Stations

About this plant

Olkiluoto 1 is a nuclear power plant located in Finland, owned and operated by Teollisuuden Voima Oyj. With a generation capacity of 1,760 megawatts (MW), it plays a significant role in the country’s energy sector, providing a substantial portion of Finland’s electricity needs. The plant is part of a broader strategy to ensure energy security and reduce greenhouse gas emissions, aligning with Finland’s commitment to sustainable energy production.

As a nuclear power facility, Olkiluoto 1 utilizes uranium as its primary fuel source. The plant employs a pressurized water reactor (PWR) design, which is one of the most common reactor types used worldwide. In this system, water is heated under high pressure, allowing it to remain liquid at temperatures exceeding 300 degrees Celsius. The heated water circulates through the reactor core, where nuclear fission occurs, releasing a significant amount of thermal energy. This heat is then used to produce steam that drives turbines connected to electricity generators. The efficient conversion of nuclear energy into electricity is a hallmark of modern nuclear technology, and Olkiluoto 1 exemplifies these capabilities.

The environmental impact of Olkiluoto 1 is multifaceted. Nuclear power plants, including Olkiluoto 1, produce minimal direct greenhouse gas emissions during operation, making them an attractive alternative to fossil fuel-based energy sources. However, the long-term management of radioactive waste remains a critical concern for the nuclear industry. Finland has made significant strides in this area, with comprehensive plans for the safe storage and disposal of spent nuclear fuel, including the construction of deep geological repositories. The plant’s operation is also subject to stringent safety regulations to mitigate risks associated with nuclear energy production.

Regionally, Olkiluoto 1 is of considerable importance. It contributes to the local economy by providing jobs and stimulating development in the surrounding areas. The presence of a nuclear power plant also encourages advancements in related sectors, such as engineering, technology, and environmental science. Furthermore, the plant enhances Finland’s energy independence, reducing reliance on imported fossil fuels and contributing to the stability of the national power grid.

In summary, Olkiluoto 1 represents a cornerstone of Finland’s energy strategy, combining advanced nuclear technology with a commitment to sustainability and environmental responsibility. As the country continues to pursue a low-carbon energy future, this power plant will remain integral to achieving its energy goals while addressing the challenges posed by climate change.

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