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Power plants in Japan

A directory of 659 power plants in Japan with a combined installed capacity of 243,422 MW, mapped and ranked from open data — by fuel, capacity and emissions.

659power plants
243,422MW total capacity
11fuel types
151with measured CO₂

Power mix by fuel (Japan)

Solar: 324 plants324SolarCoal: 70 plants70CoalHydro: 55 plants55HydroBiomass: 52 plants52BiomassGas: 49 plants49GasOil: 37 plants37OilOther: 35 plants35OtherNuclear: 16 plants16Nuclear

Plant counts by primary fuel, WRI Global Power Plant Database (CC BY 4.0).

Japan electricity grid — mix & carbon intensity (2025)

477gCO₂/kWh grid intensity
32.7%low-carbon electricity
23.6%renewables
67.3%fossil fuels
Gas: 33 % of electricity33GasCoal: 32 % of electricity32CoalSolar: 10 % of electricity10SolarNuclear: 9 % of electricity9NuclearHydro: 7 % of electricity7HydroBioenergy: 5 % of electricity5BioenergyOil: 2 % of electricity2OilWind: 1 % of electricity1Wind

Source: Ember / Our World in Data (CC BY 4.0).

Largest plants in Japan

#PlantFuelMW
1Kashiwazaki KariwaNuclear8,212
2FuttsuGas5,040
3Higashi NiigataGas4,810
4KawagoeGas4,802
5OhiNuclear4,710
6Fukushima DainaNuclear4,400
7HironoOil4,400
8KashimaOil4,400
9Hekinan power stationCoal4,100
10ChitaOil3,966
11HamaokaNuclear3,617
12AnegasakiOil3,600
13SodegauraGas3,600
14GenkaiNuclear3,478
15TakahamaNuclear3,392
16YokohamaOil3,325
17Shin NagoyaGas3,058
18ChibaGas2,880
19Shin OitaGas2,295
20YokosukaOil2,274

Largest by capacity → Dirtiest by CO₂ →

Browse by fuel

Solar (324)Coal (70)Hydro (55)Biomass (52)Gas (49)Oil (37)Other (35)Nuclear (16)Geothermal (14)Wind (6)