Japan Gas Power: Generation, Share and Trend
Japan generated 338 TWh of electricity from gas in 2025, 32.8% of its total, according to Ember. That made it the third largest gas power producer in 2025 of the 117 countries with Ember data, comparing each country's latest year. Gas supplied 21.7% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through July 2026; they are compiled from national sources and are not real time.
Key Facts
- Japan generated 338 TWh of electricity from gas in 2025.
- Gas supplied 32.8% of Japan's electricity in 2025.
- Japan was the third largest gas power producer in 2025 among the 117 countries with Ember data, comparing each country's latest year.
- Japan's gas generation in 2025 was 18% lower than in 2020, when it was 409 TWh.
- Japan's gas generation in 2025 was 19% lower than in 2015, when it was 418 TWh.
- Japan's gas generation peaked at 464 TWh in 2017.
- Japan's gas share in 2025 was above the world share of 21.7%.
- Japan had 82.4 GW of gas generating capacity in 2025.
- Gas power in Japan emitted 184 MtCO2 in 2025, 37% of the power sector's emissions.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Gas generation | 338 TWh | 2025 · Ember |
| Share of Japan's electricity | 32.8% | 2025 · Ember |
| World share of gas | 21.7% | 2025 · Ember |
| Rank by gas generation (each country's latest year) | 3 of 117 | 2025 · Ember |
| Gas capacity | 82.4 GW | 2025 · Ember |
| Gas power emissions | 184 MtCO2 | 2025 · Ember |
Gas Generation Year by Year
Ember annual statistics, 1985 to 2025Annual statistics through 2025, TWh
| Year | Gas |
|---|---|
| 1985 | 130 TWh |
| 1986 | 133 TWh |
| 1987 | 137 TWh |
| 1988 | 144 TWh |
| 1989 | 152 TWh |
| 1990 | 176 TWh |
| 1991 | 188 TWh |
| 1992 | 187 TWh |
| 1993 | 187 TWh |
| 1994 | 203 TWh |
| 1995 | 205 TWh |
| 1996 | 217 TWh |
| 1997 | 225 TWh |
| 1998 | 235 TWh |
| 1999 | 249 TWh |
| 2000 | 259 TWh |
| 2001 | 257 TWh |
| 2002 | 253 TWh |
| 2003 | 273 TWh |
| 2004 | 258 TWh |
| 2005 | 253 TWh |
| 2006 | 280 TWh |
| 2007 | 297 TWh |
| 2008 | 325 TWh |
| 2009 | 325 TWh |
| 2010 | 326 TWh |
| 2011 | 380 TWh |
| 2012 | 435 TWh |
| 2013 | 424 TWh |
| 2014 | 451 TWh |
| 2015 | 418 TWh |
| 2016 | 458 TWh |
| 2017 | 464 TWh |
| 2018 | 446 TWh |
| 2019 | 417 TWh |
| 2020 | 409 TWh |
| 2021 | 386 TWh |
| 2022 | 379 TWh |
| 2023 | 347 TWh |
| 2024 | 346 TWh |
| 2025 | 338 TWh |
Annual statistics through 2025, % of generation
| Year | Japan | World |
|---|---|---|
| 1985 | 19.3% | n/a |
| 1986 | 19.6% | n/a |
| 1987 | 19.1% | n/a |
| 1988 | 19.1% | n/a |
| 1989 | 19.0% | n/a |
| 1990 | 19.9% | n/a |
| 1991 | 20.6% | n/a |
| 1992 | 20.4% | n/a |
| 1993 | 20.1% | n/a |
| 1994 | 20.6% | n/a |
| 1995 | 20.3% | n/a |
| 1996 | 21.1% | n/a |
| 1997 | 21.3% | n/a |
| 1998 | 22.2% | n/a |
| 1999 | 23.1% | n/a |
| 2000 | 23.5% | 18.0% |
| 2001 | 23.7% | 18.8% |
| 2002 | 22.9% | 19.3% |
| 2003 | 25.0% | 19.6% |
| 2004 | 23.0% | 20.1% |
| 2005 | 22.0% | 20.3% |
| 2006 | 24.1% | 20.7% |
| 2007 | 25.2% | 21.4% |
| 2008 | 27.4% | 21.7% |
| 2009 | 29.2% | 22.0% |
| 2010 | 28.2% | 22.6% |
| 2011 | 34.4% | 22.2% |
| 2012 | 39.3% | 22.9% |
| 2013 | 38.9% | 21.9% |
| 2014 | 42.4% | 22.0% |
| 2015 | 40.5% | 23.1% |
| 2016 | 43.1% | 23.7% |
| 2017 | 43.1% | 23.5% |
| 2018 | 41.2% | 23.5% |
| 2019 | 39.8% | 23.8% |
| 2020 | 40.5% | 23.8% |
| 2021 | 37.3% | 23.2% |
| 2022 | 36.4% | 22.8% |
| 2023 | 34.5% | 22.5% |
| 2024 | 34.1% | 22.1% |
| 2025 | 32.8% | 21.7% |
| Year | Generation | Share | World share | Capacity | Emissions |
|---|---|---|---|---|---|
| 2025 | 338 TWh | 32.8% | 21.7% | 82.4 GW | 184 MtCO2 |
| 2024 | 346 TWh | 34.1% | 22.1% | 81.5 GW | 188 MtCO2 |
| 2023 | 347 TWh | 34.5% | 22.5% | 79.9 GW | 189 MtCO2 |
| 2022 | 379 TWh | 36.4% | 22.8% | 77.4 GW | 206 MtCO2 |
| 2021 | 386 TWh | 37.3% | 23.2% | 79.0 GW | 210 MtCO2 |
| 2020 | 409 TWh | 40.5% | 23.8% | 84.6 GW | 223 MtCO2 |
| 2019 | 417 TWh | 39.8% | 23.8% | 82.2 GW | 227 MtCO2 |
| 2018 | 446 TWh | 41.2% | 23.5% | 81.0 GW | 242 MtCO2 |
| 2017 | 464 TWh | 43.1% | 23.5% | 79.3 GW | 252 MtCO2 |
| 2016 | 458 TWh | 43.1% | 23.7% | 78.2 GW | 249 MtCO2 |
Full year by year history for Japan
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.
Gas Generation Month by Month
Ember monthly statistics through July 2026Monthly statistics through July 2026, TWh
| Month | Gas |
|---|---|
| 2024-08 | 28.4 TWh |
| 2024-09 | 25.5 TWh |
| 2024-10 | 21.3 TWh |
| 2024-11 | 21.0 TWh |
| 2024-12 | 26.6 TWh |
| 2025-01 | 28.0 TWh |
| 2025-02 | 26.8 TWh |
| 2025-03 | 23.6 TWh |
| 2025-04 | 19.0 TWh |
| 2025-05 | 16.9 TWh |
| 2025-06 | 20.4 TWh |
| 2025-07 | 26.6 TWh |
| 2025-08 | 25.8 TWh |
| 2025-09 | 23.4 TWh |
| 2025-10 | 22.8 TWh |
| 2025-11 | 22.1 TWh |
| 2025-12 | 24.8 TWh |
| 2026-01 | 29.6 TWh |
| 2026-02 | 24.1 TWh |
| 2026-03 | 21.7 TWh |
| 2026-04 | 16.2 TWh |
| 2026-05 | 16.4 TWh |
| 2026-06 | 17.3 TWh |
| 2026-07 | 24.6 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of July 2026. Monthly figures for Japan can differ slightly from the annual totals.