World Power Plants

Sendai Nuclear Power Plant1,692 MW Nuclear

NuclearVerified: Feb 2026

The Sendai Nuclear Power Plant, known locally as 川内原子力発電所, is a significant energy generation facility located in Japan. This power plant, with a capacity of 1692 MW, plays an essential role in Japan's energy landscape, especially in the context of the country's efforts to diversify its energy sources following the Fukushima disaster. Operated by 九州電力 (Kyushu Electric Power Company), the Sendai Nuclear Power Plant utilizes advanced nuclear technology to produce electricity with minimal environmental impact. Situated at coordinates 31.8333, 130.1894, the plant is strategically placed to provide reliable energy to the Kyushu region, which is vital for both residential and industrial consumers. The generation technology employed at Sendai consists of pressurized water reactors (PWRs), which utilize the heat generated from nuclear fission to produce steam that drives turbines for electricity generation. This efficient process not only ensures a steady supply of power but also aligns with Japan's energy policies aimed at reducing greenhouse gas emissions and increasing the share of nuclear power in the national energy mix. The operational significance of the Sendai Nuclear Power Plant cannot be overstated, as it helps to stabilize the grid and provides a reliable alternative to fossil fuels, especially in a country that has faced energy supply challenges in the past. In summary, the Sendai Nuclear Power Plant is a key player in Japan's transition towards a more sustainable energy future.

Capacity
1,692 MW

1.69 GW

Commissioning Year
2015

11 years old

Owner
九州電力
Location
31.8333°, 130.1894°

Japan, Asia

Context & rankings
  • 73. largest of 662 plants in Japan
  • #1,097 worldwide by installed capacity
  • #244 of 514 Nuclear plants worldwide
  • 0.49% of the installed capacity of Japan
Age & fleet comparison

11 years in operation

Nuclear fleet average: 38.1 years

Operator portfolio

Kyushu Electric Power operates 20 plants totalling 25,114 MW

Regional density

33 plants within 100 km, 8,208 MW combined

Nearest plant: Sendai Power Station (2.8 km)

Data provenance

Location

Coordinates:: 31.833327, 130.189399
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Sendai Nuclear Power Plant is a nuclear power plant producing approximately 12599 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~12 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Nuclear
Energy Source
Non-Renewable
Country
Japan
Continent
Asia
Data Source
Global Power Plant Database

Kawasaki Nuclear Power Plant: A Key Component of Japan's Energy Landscape

The 川内原子力発電所 (Kawasaki Nuclear Power Plant) is a significant nuclear power facility located in Japan, with a total generation capacity of 1,692 megawatts (MW). Owned and operated by 九州電力 (Kyushu Electric Power Company), this power plant plays a crucial role in the country’s energy sector, particularly in the wake of Japan's efforts to diversify its energy sources and enhance energy security following the Fukushima Daiichi nuclear disaster in 2011.

The plant primarily utilizes nuclear fuel, specifically enriched uranium, to generate electricity. This fuel type is critical for nuclear reactors as it undergoes fission, a process where the nucleus of an atom splits into smaller parts, releasing a substantial amount of energy. The Kawasaki Nuclear Power Plant employs a pressurized water reactor (PWR) design, which is one of the most common reactor types worldwide. In this system, water is circulated under high pressure to remove heat from the reactor core, which is then used to produce steam that drives turbines to generate electricity. The efficiency and reliability of nuclear power make it a vital alternative to fossil fuel-based energy generation, especially for a nation like Japan, which has limited domestic fossil fuel resources.

In terms of environmental impact, the Kawasaki Nuclear Power Plant, like other nuclear facilities, produces minimal greenhouse gas emissions during operation. This characteristic positions nuclear energy as a cleaner option compared to coal or natural gas, which release significant amounts of carbon dioxide and other pollutants. However, the long-term management of nuclear waste remains a critical concern for the industry, necessitating robust safety measures and storage solutions to mitigate the risks associated with radioactive materials. The facility has implemented extensive safety protocols to ensure the secure management of waste and to protect the surrounding environment and population.

Regionally, the Kawasaki Nuclear Power Plant holds substantial significance. It contributes to the local economy by providing jobs and stimulating related industries. Additionally, it plays a pivotal role in stabilizing the region's power supply, particularly during peak demand periods. The plant's operation is vital for ensuring that the Kyushu region has a reliable electricity supply, which is essential for both residential and industrial consumers.

Overall, the Kawasaki Nuclear Power Plant represents a critical asset in Japan's pursuit of a balanced and sustainable energy policy. As the nation continues to navigate the complexities of energy generation and environmental stewardship, the role of nuclear power remains a focal point in discussions around energy security, economic development, and climate change mitigation.

JapanEnergy Profile

662
Total Plants
342.8 GW
Total Capacity
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