{"data":{"area":"Japan","iso3":"JPN","year":2025,"share_pct":{"gas":32.8,"oil":2.5,"coal":32.1,"wind":"(paid)","hydro":"(paid)","solar":"(paid)","nuclear":"(paid)","bioenergy":"(paid)"},"demand_twh":"(paid)","by_fuel_twh":{"gas":337.57,"oil":25.39,"coal":330.08,"wind":"(paid)","hydro":"(paid)","solar":"(paid)","nuclear":"(paid)","bioenergy":"(paid)"},"country_iso2":"(paid)","generation_twh":"(paid)","net_imports_twh":"(paid)","fossil_share_pct":"(paid)","largest_plants_gppd":[{"id":"WRI1000679","lat":37.4259,"lon":138.5941,"name":"(paid)","capacity_mw":"(paid)","primary_fuel":"(paid)","commissioning_year":"(paid)"}],"power_sector_ghg_mt":"(paid)","low_carbon_share_pct":"(paid)","change_vs_previous_year":{"year":2024,"gas_twh":-8.67,"coal_twh":2.95,"wind_twh":"(paid)","solar_twh":"(paid)","generation_pct":"(paid)"},"carbon_intensity_g_per_kwh":"(paid)","installed_capacity_mw_by_fuel_gppd":{"Gas":53363,"Oil":44120,"Coal":41513,"Wind":"(paid)","Hydro":"(paid)","Solar":"(paid)","Waste":"(paid)","Nuclear":"(paid)","Geothermal":"(paid)"}},"note":"Empty or null = not recorded by the source, never zero. Plant capacity is a 2017-2021 snapshot and misses newer plants.","attribution":"Electricity mix: Ember Yearly Electricity Data (2026) and Energy Institute Statistical Review (2025), compiled by Our World in Data energy-data (CC BY 4.0). Plants: WRI Global Power Plant Database v1.3.0 (CC BY 4.0, capacity as of 2017-2021). Built by Lilambd 2026-11-03.","sample":{"note":"Free sample (max 3 rows). Full results: same URL without sample=1, $0.5 USDC per call via x402."},"meta":{"product":"world-power","sources":[{"url":"https://ember-energy.org/data/yearly-electricity-data/","name":"Ember Yearly Electricity Data (2026)"},{"url":"https://www.energyinst.org/statistical-review","name":"Energy Institute Statistical Review of World Energy (2025)"},{"url":"https://github.com/owid/energy-data","name":"Our World in Data energy-data"},{"url":"https://datasets.wri.org/dataset/globalpowerplantdatabase","name":"WRI Global Power Plant Database v1.3.0"}],"data_as_of":"2026-11-03","coverage":"214 countries + World and regions; 34,936 plants in 167 countries","loaded_on":"2026-11-03","refresh":"yearly; monthly Ember load prepared","license":"CC BY 4.0 (attribution in every response)","known_limits":"Plant capacity is a 2017-2021 snapshot and misses newer plants; null = not recorded, never zero; about half of the countries have 2024 as their latest year","served_at":"2026-11-03T08:50:47.638Z","publisher":"Lilambd"}}