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Data as of 2025
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Built 2026-09-19 (19 September 2026)

Ireland Electricity History, 1990 to 2025

Ireland generated 14.2 TWh of electricity in 1990 and 31.3 TWh in 2025. Ireland's electricity demand peaked at 37.4 TWh in 2025. The carbon intensity of Ireland's electricity went from 696 gCO2/kWh in 1990 to 263 gCO2/kWh in 2025. Figures are Ember annual statistics; Ember's series for Ireland starts in 1990.

Key Facts

  • Ireland generated 14.2 TWh of electricity in 1990 and 31.3 TWh in 2025.
  • Ireland's electricity demand peaked at 37.4 TWh in 2025.
  • The carbon intensity of Ireland's electricity went from 696 gCO2/kWh in 1990 to 263 gCO2/kWh in 2025.
  • Ireland's lowest carbon intensity on record was 263 gCO2/kWh, in 2025.
  • Coal's share of Ireland's electricity went from 41.7% in 1990 to 1.5% in 2025, the largest change of any source.

Generation and Demand

1990 to 2025, TWh
Ireland electricity generation and demand, 1990 to 2025 Ireland generated 14.2 TWh of electricity in 1990 and 31.3 TWh in 2025. 0 10 20 30 40 19901995200020052010201520202025
Ireland generated 14.2 TWh of electricity in 1990 and 31.3 TWh in 2025.
Annual statistics through 2025, TWh
Ireland electricity generation and demand, 1990 to 2025
YearGenerationDemand
199014.2 TWh14.2 TWh
199114.9 TWh14.9 TWh
199215.8 TWh15.8 TWh
199316.1 TWh16.1 TWh
199416.8 TWh16.8 TWh
199517.6 TWh17.6 TWh
199618.9 TWh18.7 TWh
199719.7 TWh19.6 TWh
199820.9 TWh20.9 TWh
199921.7 TWh22.0 TWh
200023.6 TWh23.7 TWh
200124.6 TWh24.3 TWh
200224.8 TWh25.3 TWh
200324.8 TWh26.0 TWh
200425.2 TWh26.8 TWh
200525.6 TWh27.6 TWh
200627.1 TWh28.9 TWh
200728.4 TWh29.7 TWh
200829.9 TWh30.4 TWh
200928.0 TWh28.7 TWh
201028.2 TWh28.6 TWh
201127.2 TWh27.7 TWh
201227.2 TWh27.6 TWh
201325.6 TWh27.9 TWh
201425.9 TWh28.0 TWh
201528.2 TWh28.8 TWh
201630.3 TWh29.6 TWh
201730.8 TWh30.1 TWh
201831.0 TWh31.0 TWh
201930.9 TWh31.5 TWh
202032.2 TWh32.0 TWh
202131.7 TWh33.3 TWh
202233.8 TWh34.0 TWh
202331.5 TWh34.8 TWh
202431.1 TWh36.1 TWh
202531.3 TWh37.4 TWh

Carbon Intensity

gCO2 per kWh generated
Ireland carbon intensity of electricity, 1990 to 2025 The carbon intensity of Ireland's electricity went from 696 gCO2/kWh in 1990 to 263 gCO2/kWh in 2025. 0 200 400 600 800 19901995200020052010201520202025
The carbon intensity of Ireland's electricity went from 696 gCO2/kWh in 1990 to 263 gCO2/kWh in 2025.
Annual statistics through 2025
Ireland carbon intensity of electricity, 1990 to 2025
YearCarbon intensity
1990696 gCO2/kWh
1991693 gCO2/kWh
1992705 gCO2/kWh
1993693 gCO2/kWh
1994688 gCO2/kWh
1995692 gCO2/kWh
1996676 gCO2/kWh
1997668 gCO2/kWh
1998657 gCO2/kWh
1999640 gCO2/kWh
2000633 gCO2/kWh
2001642 gCO2/kWh
2002616 gCO2/kWh
2003596 gCO2/kWh
2004592 gCO2/kWh
2005593 gCO2/kWh
2006560 gCO2/kWh
2007535 gCO2/kWh
2008517 gCO2/kWh
2009486 gCO2/kWh
2010478 gCO2/kWh
2011456 gCO2/kWh
2012483 gCO2/kWh
2013462 gCO2/kWh
2014446 gCO2/kWh
2015440 gCO2/kWh
2016442 gCO2/kWh
2017404 gCO2/kWh
2018362 gCO2/kWh
2019312 gCO2/kWh
2020291 gCO2/kWh
2021352 gCO2/kWh
2022331 gCO2/kWh
2023282 gCO2/kWh
2024271 gCO2/kWh
2025263 gCO2/kWh

Every Year

YearGenerationDemandNet importsCarbon intensityLow carbon share
2025 31.3 TWh 37.4 TWh 6.13 TWh 263 gCO2/kWh 47.7%
2024 31.1 TWh 36.1 TWh 5.06 TWh 271 gCO2/kWh 46.5%
2023 31.5 TWh 34.8 TWh 3.27 TWh 282 gCO2/kWh 45.3%
2022 33.8 TWh 34.0 TWh 250 GWh 331 gCO2/kWh 39.2%
2021 31.7 TWh 33.3 TWh 1.59 TWh 352 gCO2/kWh 37.1%
2020 32.2 TWh 32.0 TWh -150 GWh 291 gCO2/kWh 42.4%
2019 30.9 TWh 31.5 TWh 640 GWh 312 gCO2/kWh 38.7%
2018 31.0 TWh 31.0 TWh -30.0 GWh 362 gCO2/kWh 33.3%
2017 30.8 TWh 30.1 TWh -680 GWh 404 gCO2/kWh 29.3%
2016 30.3 TWh 29.6 TWh -710 GWh 442 gCO2/kWh 25.1%
2015 28.2 TWh 28.8 TWh 670 GWh 440 gCO2/kWh 28.3%
2014 25.9 TWh 28.0 TWh 2.15 TWh 446 gCO2/kWh 25.0%
2013 25.6 TWh 27.9 TWh 2.24 TWh 462 gCO2/kWh 22.3%
2012 27.2 TWh 27.6 TWh 410 GWh 483 gCO2/kWh 19.6%
2011 27.2 TWh 27.7 TWh 490 GWh 456 gCO2/kWh 20.2%
2010 28.2 TWh 28.6 TWh 470 GWh 478 gCO2/kWh 13.4%
2009 28.0 TWh 28.7 TWh 760 GWh 486 gCO2/kWh 14.9%
2008 29.9 TWh 30.4 TWh 450 GWh 517 gCO2/kWh 12.2%
2007 28.4 TWh 29.7 TWh 1.33 TWh 535 gCO2/kWh 10.0%
2006 27.1 TWh 28.9 TWh 1.78 TWh 560 gCO2/kWh 9.2%
2005 25.6 TWh 27.6 TWh 2.04 TWh 593 gCO2/kWh 7.4%
2004 25.2 TWh 26.8 TWh 1.57 TWh 592 gCO2/kWh 5.6%
2003 24.8 TWh 26.0 TWh 1.17 TWh 596 gCO2/kWh 4.6%
2002 24.8 TWh 25.3 TWh 500 GWh 616 gCO2/kWh 5.6%
2001 24.6 TWh 24.3 TWh -250 GWh 642 gCO2/kWh 4.2%
2000 23.6 TWh 23.7 TWh 100 GWh 633 gCO2/kWh 5.0%
1999 21.7 TWh 22.0 TWh 240 GWh 640 gCO2/kWh 5.2%
1998 20.9 TWh 20.9 TWh 80.0 GWh 657 gCO2/kWh 5.7%
1997 19.7 TWh 19.6 TWh -10.0 GWh 668 gCO2/kWh 4.1%
1996 18.9 TWh 18.7 TWh -130 GWh 676 gCO2/kWh 4.0%
1995 17.6 TWh 17.6 TWh -20.0 GWh 692 gCO2/kWh 4.2%
1994 16.8 TWh 16.8 TWh 0 TWh 688 gCO2/kWh 5.6%
1993 16.1 TWh 16.1 TWh 0 TWh 693 gCO2/kWh 4.8%
1992 15.8 TWh 15.8 TWh 0 TWh 705 gCO2/kWh 5.3%
1991 14.9 TWh 14.9 TWh 0 TWh 693 gCO2/kWh 5.0%
1990 14.2 TWh 14.2 TWh 0 TWh 696 gCO2/kWh 4.9%

Share of Generation by Source

Percent of total generation
YearCoalGasOther fossilHydroWindSolarBioenergy
20251.5%47.9%2.9%2.1%37.7%4.7%3.3%
20242.0%48.6%2.9%2.5%37.3%3.5%3.2%
20233.8%48.7%2.2%3.0%37.6%2.1%2.6%
20227.0%48.9%4.9%2.1%33.7%0.4%3.0%
20218.6%47.8%6.6%2.4%31.3%0.3%3.1%
20202.1%50.5%5.0%2.9%36.5%0.2%2.9%
20191.7%51.5%8.1%2.9%33.0%0.1%2.8%
20186.9%51.6%8.2%2.2%28.3%0.1%2.7%
201711.8%50.9%8.0%2.2%24.6%0.0%2.4%
201615.5%50.6%8.8%2.2%20.6%0.0%2.2%
201517.3%43.9%10.4%2.9%23.7%0.0%1.7%
201415.3%48.9%10.8%2.8%20.2%0.0%2.1%
201316.7%51.3%9.8%2.3%18.0%0.0%1.9%
201218.5%52.1%9.9%3.0%15.0%0.0%1.6%
201114.5%56.7%8.6%2.6%16.4%0.0%1.3%
201012.6%64.3%9.7%2.1%10.2%0.0%1.1%
200914.3%58.3%12.6%3.2%10.7%0.0%0.9%
200817.2%55.9%14.8%3.2%8.2%0.0%0.7%
200719.2%56.6%14.2%2.4%7.0%0.0%0.6%
200621.7%50.9%18.2%2.7%6.1%0.0%0.5%
200525.0%45.2%22.5%2.5%4.4%0.0%0.5%
200424.7%51.2%18.5%2.5%2.7%0.0%0.4%
200325.0%52.5%17.9%2.4%1.9%0.0%0.4%
200227.5%43.7%23.3%3.7%1.6%0.0%0.3%
200128.7%37.2%29.9%2.4%1.4%0.0%0.4%
200028.9%39.2%26.9%3.6%1.1%0.0%0.4%
199926.8%32.0%35.9%3.9%0.9%0.0%0.4%
199832.3%30.8%31.2%4.4%0.8%0.0%0.4%
199734.6%33.4%27.9%3.5%0.3%0.0%0.4%
199637.0%33.3%25.6%3.8%0.1%0.0%0.2%
199540.0%29.4%26.5%4.0%0.1%0.0%0.0%
199439.8%26.6%28.1%5.5%0.1%0.0%0.0%
199341.1%28.1%26.0%4.7%0.1%0.0%0.0%
199242.3%23.2%29.3%5.2%0.1%0.0%0.0%
199139.2%25.2%30.6%5.0%0.0%0.0%0.0%
199041.7%27.7%25.7%4.9%0.0%0.0%0.0%

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.