Japan

Ashihama nuclear power plant — 2,700 MW Nuclear

Nuclear Verified

Ashihama nuclear power plant is a 2,700 MW nuclear power plant located in Japan. View location, capacity, and technical details.

Capacity
2,700 MW

Installed

Commissioned
1996

Year online

Owner
Tokyo Electric Power Company

Operator

Location

Coordinates

Insights

#33
largest in Japan
#114
largest Nuclear worldwide
#402
largest worldwide
1996
8 yrs newer than avg
38
operated by Tokyo Electric Power…
296
plants within 100 km

Technical Details

Fuel Type
Nuclear
Capacity
2,700 MW
Commissioned
1996
Status
Operational
Owner
Tokyo Electric Power Company
Country
Japan

Carbon Footprint

Annual CO₂
241,250 t

tonnes / year

Lifetime CO₂
12,062,520 t

over ~50 yrs

Intensity
12 g

Est. gCO2/kWh

Annual emissions equivalent to

52,446
cars per year
32,167
homes per year
10,965,927
trees to offset

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

Nearby Plants

About this plant

The Ashihama Nuclear Power Plant, located in Japan, is a significant facility in the country’s energy landscape, boasting a substantial capacity of 2,700 megawatts (MW). This nuclear power plant plays a critical role in Japan’s efforts to diversify its energy sources and reduce dependence on fossil fuels, particularly following the 2011 Fukushima disaster, which prompted a reevaluation of nuclear energy policies nationwide. By harnessing nuclear fuel, Ashihama contributes to the generation of reliable and low-carbon electricity, aligning with Japan’s goals of achieving energy security and sustainability.

The primary fuel used at the Ashihama Nuclear Power Plant is enriched uranium, which undergoes fission reactions to produce heat. This heat is then utilized to generate steam, which drives turbines to produce electricity. The plant employs advanced safety measures and technology designed to mitigate the risks associated with nuclear energy, including containment structures and redundant safety systems. As part of Japan’s nuclear fleet, Ashihama is subject to stringent regulatory oversight by the Nuclear Regulation Authority (NRA) to ensure operational safety and environmental protection.

In terms of environmental impact, the Ashihama Nuclear Power Plant offers several advantages over traditional fossil fuel power plants. Nuclear energy generates electricity with minimal greenhouse gas emissions, helping to combat climate change. However, the plant must manage the long-term storage and disposal of radioactive waste generated from its operations. The disposal of nuclear waste remains a critical challenge for the industry, requiring ongoing research and development to ensure safe and effective solutions.

Regionally, the Ashihama Nuclear Power Plant holds significant importance for both energy supply and economic stability. It provides a stable source of electricity to the surrounding areas, helping to support local industries and communities. The presence of the plant also creates jobs, both directly within the facility and indirectly through associated supply chains and services. Furthermore, the plant’s operation can contribute to the local economy through taxes and other revenue streams.

Overall, the Ashihama Nuclear Power Plant stands as a vital component of Japan’s energy strategy, balancing the need for reliable power generation with the imperative of environmental stewardship. Its commitment to safety and sustainability reflects the evolving landscape of energy production in Japan, as the nation continues to navigate the complexities of nuclear energy in the wake of past challenges.

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