World Power Plants

Sendai Nuclear Power Station1,692 MW Nuclear

NuclearVerified: Feb 2026

川内原子力発電所, known as the Sendai Nuclear Power Plant in English, is a prominent energy generation facility located in Japan. With a capacity of 1692 MW, this nuclear power plant plays a crucial role in the nation's energy mix, particularly in the Kyushu region, where it serves as a backbone for electricity supply. Operated by 九州電力 (Kyushu Electric Power Company), the plant utilizes state-of-the-art nuclear technology to produce electricity while adhering to stringent safety and environmental standards. Positioned at coordinates 31.8333, 130.1894, the Sendai Nuclear Power Plant is strategically located to support the local energy grid, providing reliable power to both residential and industrial sectors. The plant employs pressurized water reactor (PWR) technology, which is known for its efficiency in converting nuclear fission energy into electrical power. This method not only reduces carbon emissions but also enhances energy security by providing a stable power supply that is less affected by fluctuations in fossil fuel markets. In the context of Japan's energy policy, the Sendai Nuclear Power Plant is significant as the country seeks to balance its energy portfolio and reduce reliance on imported fuels. Its operational capacity contributes to the national goal of increasing the share of nuclear energy while ensuring energy stability post-Fukushima. Overall, 川内原子力発電所 stands as a vital facility in Japan's journey toward a 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 Station 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

Kawauchi Nuclear Power Plant: A Key Player in Japan's Energy Landscape

The Kawauchi Nuclear Power Plant, known as 川内原子力発電所 in Japanese, is a vital component of Japan's energy infrastructure, located in the Kagoshima Prefecture. With a total generating capacity of 1692 megawatts (MW), this nuclear facility plays an essential role in supplying electricity to the region and contributing to the national grid. Owned and operated by Kyushu Electric Power Company (九州電力), the plant was commissioned with a focus on providing a stable and reliable source of power, particularly in the wake of Japan's energy challenges following the Fukushima Daiichi nuclear disaster in 2011. The plant utilizes nuclear fuel, primarily enriched uranium, which undergoes fission reactions to produce heat. This heat is used to generate steam that drives turbines, thereby converting nuclear energy into electrical energy. The plant's design incorporates advanced safety features and systems to minimize the risk of accidents, reflecting the lessons learned from previous nuclear incidents and the importance of public safety and environmental protection. The environmental impact of nuclear power is often a subject of debate. While nuclear plants like Kawauchi produce minimal greenhouse gas emissions during operation, concerns regarding radioactive waste management and the potential for catastrophic failures remain prevalent. The Kawauchi facility is subject to stringent regulatory oversight to ensure it operates within the parameters set by Japan's Nuclear Regulation Authority. The plant's location in southern Japan also underscores its regional significance. It not only contributes to the local economy by providing jobs and infrastructure but also serves as a considerable source of energy for both residential and industrial consumers in the region. The reliance on nuclear power in Japan is part of a broader strategy to diversify energy sources and reduce dependence on fossil fuels, especially in light of the country's limited natural resources. As Japan continues to navigate its energy policy landscape, the Kawauchi Nuclear Power Plant stands as a testament to the complexities and challenges of balancing energy needs, safety, and environmental stewardship in the 21st century.

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662
Total Plants
342.8 GW
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