World Power Plants

Monju Nuclear Power Plant280 MW Nuclear

NuclearVerified: Feb 2026

The Monju Nuclear Power Plant represents a pivotal element in Japan's energy generation framework, contributing significantly to the country's electricity supply. With a capacity of 280 MW, this facility is operated by the Japan Atomic Energy Agency and utilizes nuclear fission as its primary fuel type. Located at coordinates 35.7403, 135.9881, in the Fukui Prefecture, the plant is strategically situated to supply energy to the Kansai region, which is one of Japan's most densely populated and industrialized areas. The Monju Power Plant is notable for its advanced reactor technology, specifically the use of a fast-breeder reactor, which is designed to generate more fissile material than it consumes. This innovative approach aims to enhance the sustainability of nuclear energy in Japan, aligning with national policies focused on energy security and reducing greenhouse gas emissions. Despite facing operational challenges and public concerns regarding nuclear safety, the Monju Power Plant continues to symbolize Japan's commitment to nuclear energy as part of its diversified energy strategy. The Japanese government has emphasized the importance of nuclear power in achieving its long-term energy goals, especially in the aftermath of the Fukushima disaster, which highlighted the need for a balanced energy mix that includes renewables and nuclear. As the Monju Nuclear Power Plant plays its role in energy generation, it remains a central part of the conversation around Japan's energy future, renewable integration, and nuclear safety.

Capacity
280 MW
Commissioning Year
1994

32 years old

Owner
Japan Atomic Energy Agency
Location
35.7403°, 135.9881°

Japan, Asia

Context & rankings
  • 200. largest of 662 plants in Japan
  • #6,339 worldwide by installed capacity
  • #404 of 514 Nuclear plants worldwide
  • 0.08% of the installed capacity of Japan
Age & fleet comparison

32 years in operation

Nuclear fleet average: 38.1 years

Operator portfolio

Japan Atomic Energy Agency operates 1 plants totalling 280 MW

Regional density

27 plants within 100 km, 24,570 MW combined

Nearest plant: Tsuruga (3.1 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 35.740278, 135.988056
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Monju Nuclear Power Plant is a nuclear power plant producing approximately 2085 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

JapanEnergy Profile

662
Total Plants
342.8 GW
Total Capacity
GasNuclearCoalOil
Top Fuels

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