South Korea
An energy island: no international gas pipeline or power line, so every imported molecule of gas arrives as LNG by sea.
Electricity generation by source · TWh
2025
627.8 TWh- Coal generation · #8 of 203 195.2 31.1%
- Other fossil generation · #26 of 205 6.3 1%
- Gas generation · #9 of 202 176 28%
- Nuclear generation · #5 of 200 184.7 29.4%
- Hydro generation · #73 of 204 3.8 0.6%
- Solar generation · #10 of 205 37.9 6%
- Bioenergy generation · #10 of 205 20.3 3.2%
- Wind generation · #41 of 203 3.7 0.6%
- Other renewables generation — —
Since 1985
Table · 41 years, TWh
| Year | Coal generation | Other fossil generation | Gas generation | Nuclear generation | Hydro generation | Solar generation | Bioenergy generation | Wind generation | Other renewables generation | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 195.2 | 6.3 | 176 | 184.7 | 3.8 | 37.9 | 20.3 | 3.7 | — | 627.8 |
| 2024 | 186.5 | 6.4 | 180.4 | 188.8 | 4.3 | 37.5 | 20.2 | 3.7 | — | 627.8 |
| 2023 | 203.1 | 6.7 | 171.6 | 180.5 | 3.7 | 33.2 | 18.7 | 3.4 | — | 621 |
| 2022 | 209.3 | 6.4 | 175.3 | 176.1 | 3.5 | 30.7 | 17.8 | 3.4 | — | 622.6 |
| 2021 | 214.3 | 7.3 | 180 | 158 | 3.1 | 24.7 | 17.2 | 3.2 | — | 607.8 |
| 2020 | 208 | 6 | 162.5 | 160.2 | 3.9 | 19.3 | 14 | 3.2 | — | 577.1 |
| 2019 | 245 | 7.4 | 155.4 | 145.9 | 2.8 | 14.2 | 13.4 | 2.7 | — | 586.8 |
| 2018 | 257.7 | 10.6 | 163.3 | 133.5 | 3.4 | 10.2 | 11.8 | 2.5 | — | 592.9 |
| 2017 | 260.8 | 9.7 | 135.2 | 148.4 | 2.8 | 7.7 | 9.6 | 2.2 | — | 576.4 |
| 2016 | 232.9 | 17.4 | 130.5 | 162 | 2.8 | 5.5 | 8.1 | 1.7 | — | 561 |
| 2015 | 232.7 | 13.1 | 122 | 164.8 | 2.1 | 4.2 | 7.5 | 1.3 | — | 547.8 |
| 2014 | 226.1 | 14.2 | 130.8 | 156.4 | 2.8 | 2.7 | 6.3 | 1.1 | — | 540.4 |
| 2013 | 223.8 | 20.6 | 143.9 | 138.8 | 4.3 | 1.7 | 3.1 | 1.1 | — | 537.2 |
| 2012 | 223.4 | 20.3 | 128.9 | 150.3 | 4 | 1.1 | 2.2 | 0.9 | — | 531.2 |
| 2011 | 225.1 | 15.6 | 115.3 | 154.7 | 4.6 | 0.9 | 1 | 0.9 | — | 518.2 |
| 2010 | 218.4 | 18 | 104.3 | 148.6 | 3.7 | 0.8 | 0.4 | 0.8 | — | 495 |
| 2009 | 209.4 | 19.3 | 71.4 | 147.8 | 2.8 | 0.6 | 0.5 | 0.7 | — | 452.4 |
| 2008 | 190.9 | 14.6 | 81.7 | 151 | 3.1 | 0.3 | 0.7 | 0.4 | — | 442.6 |
| 2007 | 170.9 | 22.7 | 84.4 | 142.9 | 3.6 | 0.1 | 0.4 | 0.4 | — | 425.4 |
| 2006 | 154 | 21.4 | 74.8 | 148.7 | 3.5 | 0 | 0.2 | 0.2 | — | 403 |
| 2005 | 150.4 | 23.8 | 64.5 | 146.8 | 3.7 | 0 | 0.3 | 0.1 | — | 389.5 |
| 2004 | 143.4 | 26.1 | 63.2 | 130.7 | 4.3 | 0 | 0.3 | 0 | — | 368 |
| 2003 | 139.1 | 28.3 | 45.5 | 129.7 | 4.9 | 0 | 0.2 | 0 | — | 347.8 |
| 2002 | 137.5 | 29.1 | 42.9 | 119.1 | 3.2 | 0 | 0.2 | 0 | — | 332 |
| 2001 | 127.4 | 34.3 | 33.7 | 112.1 | 2.3 | 0 | 0.1 | 0 | — | 309.9 |
| 2000 | 114.9 | 32.8 | 29.7 | 109 | 4 | 0 | 0.1 | 0 | — | 290.4 |
| 1999 | 112.5 | 12.1 | 30.3 | 103.1 | 4.2 | 0 | 0.1 | 0 | — | 262.2 |
| 1998 | 104.3 | 10.7 | 28.2 | 89.7 | 4.3 | 0 | 0.1 | 0 | — | 237.2 |
| 1997 | 95.4 | 28.6 | 42.7 | 77.1 | 2.8 | 0 | 0.1 | 0 | — | 246.6 |
| 1996 | 83.3 | 30.4 | 35.4 | 73.9 | 2.4 | 0 | 0.4 | 0 | — | 225.8 |
| 1995 | 73.5 | 30.2 | 29.8 | 67 | 2.8 | 0 | 0.3 | 0 | — | 203.5 |
| 1994 | 66 | 38.1 | 18.2 | 58.7 | 2.3 | 0 | 0 | 0 | — | 183.4 |
| 1993 | 54.5 | 25.8 | 19.3 | 58.1 | 4.2 | 0 | 0 | 0 | — | 161.9 |
| 1992 | 43.2 | 23.6 | 19.9 | 56.5 | 3.1 | 0 | 0 | 0 | — | 146.4 |
| 1991 | 37.7 | 20.7 | 13.5 | 56.3 | 3.5 | 0 | 0 | 0 | — | 131.6 |
| 1990 | 34.5 | 13.7 | 12.7 | 52.9 | 4.7 | 0 | 0 | 0 | — | 118.5 |
| 1989 | 31.6 | 11.5 | 10.2 | 47.4 | 3 | 0 | 0 | 0 | — | 103.6 |
| 1988 | 30.5 | 9.1 | 11.4 | 40.1 | 2 | 0 | 0 | 0 | — | 93.1 |
| 1987 | 24.6 | 2.5 | 9.9 | 39.3 | 4 | 0 | 0 | 0 | — | 80.3 |
| 1986 | 25.6 | 12.6 | 0.1 | 28.3 | 3.1 | 0 | 0 | 0 | — | 69.7 |
| 1985 | 25 | 17.6 | 0.1 | 16.7 | 3.2 | 0 | 0 | 0 | — | 62.7 |
p = provisional. — = the source printed no value for that year.
Electricity generated in the year, by the fuel or technology that generated it (Ember). The nine sources sum to total generation; net imports are not generation and are not in the mix.
Source: Ember — Yearly Electricity Data · CC BY 4.0 · retrieved as 2026-11-11
Ember (2026), Yearly Electricity Data, ember-energy.org, CC BY 4.0.
Total energy supply by source · TJ
2025 provisional
11,749,656 TJ- Coal and coal products · #5 of 7 2,732,327 23.3%
- Oil and oil products · #5 of 7 4,205,893 35.8%
- Natural gas · #5 of 7 2,157,857 18.4%
- Nuclear · #4 of 7 2,014,831 17.1%
- Hydropower · #7 of 7 13,699 0.1%
- Solar, wind and other renewables · #6 of 7 209,915 1.8%
- Biofuels and waste · #6 of 7 415,134 3.5%
Since 2000
Table · 26 years, TJ
| Year | Coal and coal products | Oil and oil products | Natural gas | Nuclear | Hydropower | Solar, wind and other renewables | Biofuels and waste | Total |
|---|---|---|---|---|---|---|---|---|
| 2025p | 2,732,327 | 4,205,893 | 2,157,857 | 2,014,831 | 13,699 | 209,915 | 415,134 | 11,749,656 |
| 2024 | 2,795,887 | 4,304,470 | 2,293,181 | 2,059,135 | 15,487 | 182,915 | 403,657 | 12,054,732 |
| 2023 | 2,931,280 | 4,222,624 | 2,137,188 | 1,969,026 | 13,384 | 157,026 | 391,826 | 11,822,354 |
| 2022 | 3,022,429 | 4,269,867 | 2,226,553 | 1,920,589 | 12,761 | 144,793 | 345,275 | 11,942,267 |
| 2021 | 3,084,678 | 4,670,257 | 2,245,568 | 1,723,802 | 11,005 | 120,413 | 332,536 | 12,188,259 |
| 2020 | 3,047,429 | 4,241,494 | 2,031,575 | 1,747,458 | 13,965 | 96,243 | 308,077 | 11,486,241 |
| 2019 | 3,406,964 | 4,372,305 | 2,030,079 | 1,591,741 | 10,047 | 71,690 | 312,971 | 11,795,797 |
| 2018 | 3,642,423 | 4,620,371 | 2,075,874 | 1,456,421 | 12,147 | 54,679 | 330,169 | 12,192,084 |
| 2017 | 3,592,735 | 4,567,622 | 1,829,820 | 1,619,200 | 10,167 | 43,893 | 312,021 | 11,975,458 |
| 2016 | 3,371,304 | 4,596,964 | 1,715,401 | 1,767,218 | 10,292 | 33,017 | 266,676 | 11,760,872 |
| 2015 | 3,363,111 | 4,299,088 | 1,656,386 | 1,797,403 | 7,739 | 29,228 | 250,011 | 11,402,966 |
| 2014 | 3,325,174 | 4,033,379 | 1,786,438 | 1,706,258 | 9,918 | 20,182 | 231,467 | 11,112,816 |
| 2013 | 3,236,278 | 4,043,053 | 1,957,275 | 1,514,007 | 15,458 | 15,150 | 193,136 | 10,974,357 |
| 2012 | 3,177,852 | 4,070,478 | 1,866,748 | 1,639,930 | 14,295 | 11,600 | 177,031 | 10,957,934 |
| 2011 | 3,319,740 | 3,923,498 | 1,782,985 | 1,687,887 | 16,556 | 10,994 | 161,612 | 10,903,272 |
| 2010 | 3,057,924 | 3,982,263 | 1,570,604 | 1,621,047 | 13,338 | 9,198 | 136,182 | 10,390,556 |
| 2009 | 2,531,298 | 3,793,055 | 1,324,030 | 1,612,047 | 10,126 | 7,033 | 128,450 | 9,406,039 |
| 2008 | 2,452,799 | 3,752,269 | 1,273,308 | 1,646,814 | 11,052 | 4,679 | 126,150 | 9,267,071 |
| 2007 | 2,195,637 | 3,954,520 | 1,306,220 | 1,559,312 | 13,071 | 3,328 | 115,010 | 9,147,098 |
| 2006 | 2,054,682 | 3,794,764 | 1,206,674 | 1,622,716 | 12,484 | 2,639 | 101,923 | 8,795,882 |
| 2005 | 2,000,773 | 3,872,379 | 1,144,266 | 1,601,225 | 13,222 | 2,083 | 89,773 | 8,723,721 |
| 2004 | 1,956,368 | 4,033,864 | 1,048,554 | 1,425,981 | 15,588 | 1,774 | 84,092 | 8,566,221 |
| 2003 | 1,853,041 | 4,019,668 | 914,596 | 1,414,603 | 17,647 | 1,512 | 75,557 | 8,296,624 |
| 2002 | 1,809,187 | 4,081,570 | 896,687 | 1,299,305 | 11,638 | 1,540 | 65,695 | 8,165,622 |
| 2001 | 1,727,535 | 4,010,377 | 743,139 | 1,223,269 | 14,943 | 1,624 | 59,734 | 7,780,621 |
| 2000 | 1,625,535 | 4,146,595 | 743,939 | 1,188,698 | 14,435 | 1,824 | 57,758 | 7,778,784 |
p = provisional. — = the source printed no value for that year.
Energy available to a country in the year: production + imports − exports − international bunkers ± stock changes (IEA total energy supply), split by source. The seven sources sum to total energy supply less net trade in electricity and heat, as on IEA's country pages.
Source: IEA World Energy Balances — Total energy supply by source · IEA Terms of Use for Non-CC Material · retrieved as TESbySource-KOREA.json · 2026-11-06
Based on IEA data from IEA (2026) World Energy Balances, https://www.iea.org/data-and-statistics, All rights reserved.
Indicators · as of 11 Nov 2026
- Bioenergy capacity2.7 GW2025 · #12 of 205 · Ember, 2026-11-11
- Coal capacity41.7 GW2025 · #6 of 203 · Ember, 2026-11-11
- Electricity demand627.8 TWh2025 · #8 of 205 · Ember, 2026-11-11
- Electricity net imports0 TWh2025 · #81 of 205 · Ember, 2026-11-11
- Energy production2,717,292 TJ2025 · #1 of 1 · International Energy Agency (IEA), DomesticProduction-KOREA.json · 2026-11-10
- Natural gas production2,070 TJ2021 · #1 of 1 · International Energy Agency (IEA), DomesticProduction-KOREA.json · 2026-11-10
- Gas capacity50.3 GW2025 · #7 of 202 · Ember, 2026-11-11
- Gas days of cover55 days2025 · #1 of 1 · Solutions for Our Climate (SFOC), August 2026 · confidence 0.9
- Gas days of cover (winter)38 days2025 · #1 of 1 · Solutions for Our Climate (SFOC), August 2026 · confidence 0.9
- Hydro capacity1.8 GW2025 · #61 of 204 · Ember, 2026-11-11
- LNG imports48.7 Mt2025 · #3 of 7 · GIIGNL, 2026 edition
- Nuclear capacity26.1 GW2025 · #6 of 200 · Ember, 2026-11-11
- Other fossil capacity3.5 GW2025 · #19 of 205 · Ember, 2026-11-11
- Power sector emissions262.2 MtCO2e2025 · #8 of 205 · Ember, 2026-11-11
- Power emissions intensity417.7 gCO2e/kWh2025 · #113 of 205 · Ember, 2026-11-11
- Solar capacity30.4 GW2025 · #11 of 205 · Ember, 2026-11-11
- Total capacity158.9 GW2025 · #8 of 205 · Ember, 2026-11-11
- Total generation627.8 TWh2025 · #8 of 205 · Ember, 2026-11-11
- Wind capacity2.5 GW2025 · #34 of 203 · Ember, 2026-11-11