Built 2026-09-19 (19 September 2026)

South Korea Gas Power: Generation, Share and Trend

South Korea generated 175 TWh of electricity from gas in 2025, 28.0% of its total, according to Ember. That made it the 9th 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 June 2026; they are compiled from national sources and are not real time.

Key Facts

  • South Korea generated 175 TWh of electricity from gas in 2025.
  • Gas supplied 28.0% of South Korea's electricity in 2025.
  • South Korea was the 9th largest gas power producer in 2025 among the 117 countries with Ember data, comparing each country's latest year.
  • South Korea's gas generation in 2025 was 7% higher than in 2020, when it was 163 TWh.
  • South Korea's gas generation in 2025 was 43% higher than in 2015, when it was 122 TWh.
  • South Korea's gas generation peaked at 181 TWh in 2021.
  • South Korea's gas share in 2025 was above the world share of 21.7%.
  • South Korea had 50.3 GW of gas generating capacity in 2025.
  • Gas power in South Korea emitted 89.9 MtCO2 in 2025, 34% of the power sector's emissions.

Key Figures, 2025

MeasureValueAs of / source
Gas generation175 TWh2025 · Ember
Share of South Korea's electricity28.0%2025 · Ember
World share of gas21.7%2025 · Ember
Rank by gas generation (each country's latest year)9 of 1172025 · Ember
Gas capacity50.3 GW2025 · Ember
Gas power emissions89.9 MtCO22025 · Ember

Gas Generation Year by Year

Ember annual statistics, 1985 to 2025
South Korea gas electricity generation, 1985 to 2025 South Korea's electricity generation from gas each year from 1985 to 2025, in TWh. It was 175 TWh in 2025. 0 50 100 150 200 198519901995200020052010201520202025
South Korea's electricity generation from gas each year from 1985 to 2025, in TWh. It was 175 TWh in 2025.
Annual statistics through 2025, TWh
South Korea gas electricity generation, 1985 to 2025
YearGas
198560.0 GWh
198650.0 GWh
19879.91 TWh
198811.4 TWh
198910.2 TWh
199012.7 TWh
199113.5 TWh
199219.9 TWh
199319.3 TWh
199418.2 TWh
199529.8 TWh
199635.4 TWh
199742.7 TWh
199828.2 TWh
199930.3 TWh
200029.7 TWh
200133.7 TWh
200242.9 TWh
200345.5 TWh
200463.2 TWh
200564.5 TWh
200674.8 TWh
200784.4 TWh
200881.7 TWh
200971.4 TWh
2010104 TWh
2011115 TWh
2012129 TWh
2013144 TWh
2014131 TWh
2015122 TWh
2016131 TWh
2017135 TWh
2018163 TWh
2019155 TWh
2020163 TWh
2021181 TWh
2022175 TWh
2023170 TWh
2024178 TWh
2025175 TWh
Share of South Korea's electricity from gas and the world share, 1985 to 2025 The share of South Korea's electricity generated from gas, 1985 to 2025, compared with the world share. In 2025 it was 28.0%, against 21.7% worldwide. 0 8 15 23 30 198519901995200020052010201520202025
The share of South Korea's electricity generated from gas, 1985 to 2025, compared with the world share. In 2025 it was 28.0%, against 21.7% worldwide.
Annual statistics through 2025, % of generation
Share of South Korea's electricity from gas and the world share, 1985 to 2025
YearSouth KoreaWorld
19850.1%n/a
19860.1%n/a
198712.4%n/a
198812.3%n/a
19899.9%n/a
199010.8%n/a
199110.3%n/a
199213.6%n/a
199311.9%n/a
19949.9%n/a
199514.7%n/a
199615.7%n/a
199717.3%n/a
199811.9%n/a
199911.6%n/a
200010.2%18.0%
200110.9%18.8%
200212.9%19.3%
200313.1%19.6%
200417.2%20.1%
200516.6%20.3%
200618.6%20.7%
200719.8%21.4%
200818.5%21.7%
200915.8%22.0%
201021.1%22.6%
201122.3%22.2%
201224.3%22.9%
201326.8%21.9%
201424.2%22.0%
201522.3%23.1%
201623.3%23.7%
201723.5%23.5%
201827.5%23.5%
201926.5%23.8%
202028.2%23.8%
202129.8%23.2%
202228.1%22.8%
202327.5%22.5%
202428.5%22.1%
202528.0%21.7%
YearGenerationShareWorld shareCapacityEmissions
2025 175 TWh 28.0% 21.7% 50.3 GW 89.9 MtCO2
2024 178 TWh 28.5% 22.1% 50.3 GW 91.8 MtCO2
2023 170 TWh 27.5% 22.5% 46.5 GW 87.3 MtCO2
2022 175 TWh 28.1% 22.8% 44.5 GW 90.0 MtCO2
2021 181 TWh 29.8% 23.2% 43.9 GW 93.3 MtCO2
2020 163 TWh 28.2% 23.8% 43.2 GW 83.7 MtCO2
2019 155 TWh 26.5% 23.8% 42.9 GW 80.0 MtCO2
2018 163 TWh 27.5% 23.5% 41.1 GW 84.1 MtCO2
2017 135 TWh 23.5% 23.5% 40.0 GW 69.6 MtCO2
2016 131 TWh 23.3% 23.7% 35.7 GW 67.2 MtCO2

Full year by year history for South Korea

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 June 2026
South Korea monthly gas electricity generation, July 2024 to June 2026 South Korea generated 11.8 TWh of electricity from gas in June 2026, against 12.4 TWh in June 2025. 0 5 10 15 20 2024-072025-012025-072026-01
South Korea generated 11.8 TWh of electricity from gas in June 2026, against 12.4 TWh in June 2025.
Monthly statistics through June 2026, TWh
South Korea monthly gas electricity generation, July 2024 to June 2026
MonthGas
2024-0716.0 TWh
2024-0817.8 TWh
2024-0914.5 TWh
2024-1012.8 TWh
2024-1113.6 TWh
2024-1215.7 TWh
2025-0116.4 TWh
2025-0215.9 TWh
2025-0315.5 TWh
2025-0414.0 TWh
2025-0512.7 TWh
2025-0612.4 TWh
2025-0714.9 TWh
2025-0815.8 TWh
2025-0912.2 TWh
2025-1013.0 TWh
2025-1114.0 TWh
2025-1214.3 TWh
2026-0118.1 TWh
2026-0214.9 TWh
2026-0316.2 TWh
2026-0413.5 TWh
2026-0512.6 TWh
2026-0611.8 TWh

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of June 2026. Monthly figures for South Korea can differ slightly from the annual totals.