World Power Plants

Takahama Nuclear Power Plant3,392 MW Nuclear

NuclearVerified: Feb 2026

The Takahama Nuclear Power Plant, situated in Japan at coordinates 35.5222, 135.5047, is one of the nation's key nuclear energy facilities, with a formidable capacity of 3392 MW. This plant is operated by Kansai Electric Power Company, and it plays an essential role in Japan's energy generation landscape, providing a significant portion of the electricity required to power homes and industries in the region. The nuclear technology employed at Takahama allows for efficient energy production with minimal carbon emissions, aligning with Japan's goals for cleaner energy sources. Following the events of the Fukushima disaster in 2011, the plant has been subject to rigorous safety assessments and regulatory frameworks aimed at enhancing operational safety and public confidence in nuclear energy. The Takahama facility is strategically important within the local grid, facilitating a stable energy supply in a region that has historically faced challenges with energy security. As Japan continues to navigate its energy transition, the Takahama Nuclear Power Plant stands as a critical asset, contributing to the country's ambitions of achieving energy independence while addressing climate change through sustainable practices.

Capacity
3,392 MW

3.39 GW

Commissioning Year
2015

11 years old

Owner
Kansai Electric Power Company
Location
35.5222°, 135.5047°

Japan, Asia

Context & rankings
  • 26. largest of 662 plants in Japan
  • #269 worldwide by installed capacity
  • #84 of 514 Nuclear plants worldwide
  • 0.99% of the installed capacity of Japan
Age & fleet comparison

11 years in operation

Nuclear fleet average: 38.1 years

Operator portfolio

Kansai Electric Power Company operates 11 plants totalling 14,995 MW

Regional density

32 plants within 100 km, 25,790 MW combined

Nearest plant: Ōi Nuclear Power Plant (13.5 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 35.522222, 135.504722
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Takahama Nuclear Power Plant is a nuclear power plant producing approximately 25257 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

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

The Takahama Nuclear Power Plant, operated by Kansai Electric Power Company, is a significant facility located in the Fukui Prefecture of Japan. With a total electrical generating capacity of 3,392 megawatts (MW), the plant plays a crucial role in the country's energy sector, particularly in the context of Japan's post-Fukushima energy landscape. The facility consists of four nuclear reactors, which are integral to providing a stable and efficient source of electricity for the Kansai region, including major urban areas such as Osaka and Kobe.

The power plant utilizes nuclear fuel, primarily uranium-235, which undergoes a fission process to release energy. In this process, the nuclei of uranium atoms split when bombarded by neutrons, releasing a substantial amount of heat. This heat is used to produce steam that drives turbines connected to generators, ultimately converting nuclear energy into electrical energy. The reactors at Takahama are designed with advanced safety features to mitigate risks and ensure safe operation, particularly in light of the heightened safety concerns following the 2011 Fukushima Daiichi nuclear disaster.

In terms of environmental impact, nuclear power generates electricity with minimal greenhouse gas emissions compared to fossil fuels. However, the management of nuclear waste remains a critical issue, as spent nuclear fuel must be carefully stored and monitored to prevent contamination and ensure public safety. The Takahama Nuclear Power Plant has faced scrutiny and regulatory challenges, particularly regarding its safety protocols and the geological stability of the region. Despite these concerns, the plant is viewed as a necessary component of Japan's energy mix, which aims to reduce dependence on imported fossil fuels and lower carbon emissions in alignment with global climate commitments.

Regionally, the Takahama Nuclear Power Plant is of significant importance to the local economy and energy infrastructure. It provides a substantial number of jobs, both directly at the facility and indirectly through supply chains and support services. The consistent output of electricity from Takahama is vital for meeting the energy demands of the Kansai region, especially during peak consumption periods. Additionally, the plant contributes to energy security in Japan, as it diversifies the energy portfolio away from solely relying on conventional energy sources.

In conclusion, the Takahama Nuclear Power Plant serves as a cornerstone of Japan's energy production, embodying the complexities and challenges of utilizing nuclear power in a modern context. Its operational capacity, technical specifications, and environmental considerations underline the critical role it plays in shaping Japan's energy future and ensuring a stable supply for millions of residents in the Kansai region.

JapanEnergy Profile

662
Total Plants
342.8 GW
Total Capacity
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