Ireland Electricity: Generation Mix, Demand and Emissions
Ireland generated 31.3 TWh of electricity in 2025, according to Ember. Gas was the largest source at 47.9%, followed by wind (37.7%) and solar (4.7%). Demand was 37.4 TWh and each kWh generated emitted 263 gCO2/kWh. These are annual statistics for 2025, with monthly figures through August 2026; they are compiled from national sources and are not real time.
Key Facts
- Ireland generated 31.3 TWh of electricity in 2025.
- Gas supplied 47.9% of Ireland's electricity in 2025.
- Wind supplied 37.7% of Ireland's electricity in 2025.
- Solar supplied 4.7% of Ireland's electricity in 2025.
- Low carbon sources (nuclear and renewables) supplied 47.7% of Ireland's generation in 2025.
- The carbon intensity of Ireland's electricity was 263 gCO2/kWh in 2025.
- Ireland's carbon intensity in 2025 was 62% lower than in 1990, when it was 696 gCO2/kWh.
- Ireland had the 57th highest electricity demand among the 93 countries with Ember data for 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Total generation | 31.3 TWh | 2025 · Ember |
| Electricity demand | 37.4 TWh | 2025 · Ember |
| Demand per person | 6.99 MWh | 2025 · Ember |
| Net imports | 6.13 TWh | 2025 · Ember |
| Carbon intensity | 263 gCO2/kWh | 2025 · Ember |
| Power sector emissions | 8.23 MtCO2 | 2025 · Ember |
| Demand rank (countries with 2025 data) | 57 of 93 | 2025 · Ember |
Generation Mix, 2025
Year by Year
Ember annual statistics, 1990 to 2025| Year | Gas | Wind | Solar | Bioenergy | Other fossil |
|---|---|---|---|---|---|
| 1990 | 3.94 TWh | 0 TWh | 0 TWh | 0 TWh | 3.65 TWh |
| 1991 | 3.75 TWh | 0 TWh | 0 TWh | 0 TWh | 4.56 TWh |
| 1992 | 3.65 TWh | 10.0 GWh | 0 TWh | 0 TWh | 4.62 TWh |
| 1993 | 4.53 TWh | 20.0 GWh | 0 TWh | 0 TWh | 4.19 TWh |
| 1994 | 4.46 TWh | 20.0 GWh | 0 TWh | 0 TWh | 4.71 TWh |
| 1995 | 5.16 TWh | 20.0 GWh | 0 TWh | 0 TWh | 4.66 TWh |
| 1996 | 6.29 TWh | 10.0 GWh | 0 TWh | 30.0 GWh | 4.83 TWh |
| 1997 | 6.57 TWh | 50.0 GWh | 0 TWh | 80.0 GWh | 5.48 TWh |
| 1998 | 6.43 TWh | 170 GWh | 0 TWh | 90.0 GWh | 6.50 TWh |
| 1999 | 6.96 TWh | 190 GWh | 0 TWh | 90.0 GWh | 7.80 TWh |
| 2000 | 9.26 TWh | 250 GWh | 0 TWh | 90.0 GWh | 6.36 TWh |
| 2001 | 9.15 TWh | 340 GWh | 0 TWh | 100 GWh | 7.34 TWh |
| 2002 | 10.8 TWh | 390 GWh | 0 TWh | 80.0 GWh | 5.77 TWh |
| 2003 | 13.0 TWh | 460 GWh | 0 TWh | 90.0 GWh | 4.44 TWh |
| 2004 | 12.9 TWh | 670 GWh | 0 TWh | 110 GWh | 4.66 TWh |
| 2005 | 11.6 TWh | 1.13 TWh | 0 TWh | 130 GWh | 5.75 TWh |
| 2006 | 13.8 TWh | 1.65 TWh | 0 TWh | 130 GWh | 4.93 TWh |
| 2007 | 16.1 TWh | 1.99 TWh | 0 TWh | 180 GWh | 4.02 TWh |
| 2008 | 16.7 TWh | 2.45 TWh | 0 TWh | 220 GWh | 4.43 TWh |
| 2009 | 16.3 TWh | 3.00 TWh | 0 TWh | 260 GWh | 3.52 TWh |
| 2010 | 18.1 TWh | 2.86 TWh | 0 TWh | 310 GWh | 2.73 TWh |
| 2011 | 15.4 TWh | 4.45 TWh | 0 TWh | 340 GWh | 2.33 TWh |
| 2012 | 14.1 TWh | 4.08 TWh | 0 TWh | 440 GWh | 2.68 TWh |
| 2013 | 13.1 TWh | 4.62 TWh | 0 TWh | 490 GWh | 2.50 TWh |
| 2014 | 12.6 TWh | 5.22 TWh | 0 TWh | 540 GWh | 2.79 TWh |
| 2015 | 12.4 TWh | 6.68 TWh | 0 TWh | 480 GWh | 2.94 TWh |
| 2016 | 15.3 TWh | 6.25 TWh | 0 TWh | 680 GWh | 2.66 TWh |
| 2017 | 15.7 TWh | 7.57 TWh | 10.0 GWh | 740 GWh | 2.46 TWh |
| 2018 | 16.0 TWh | 8.78 TWh | 20.0 GWh | 850 GWh | 2.53 TWh |
| 2019 | 15.9 TWh | 10.2 TWh | 30.0 GWh | 850 GWh | 2.50 TWh |
| 2020 | 16.2 TWh | 11.7 TWh | 60.0 GWh | 920 GWh | 1.60 TWh |
| 2021 | 15.2 TWh | 9.94 TWh | 80.0 GWh | 990 GWh | 2.10 TWh |
| 2022 | 16.5 TWh | 11.4 TWh | 150 GWh | 1.01 TWh | 1.64 TWh |
| 2023 | 15.4 TWh | 11.9 TWh | 650 GWh | 830 GWh | 700 GWh |
| 2024 | 15.1 TWh | 11.6 TWh | 1.09 TWh | 1.00 TWh | 890 GWh |
| 2025 | 15.0 TWh | 11.8 TWh | 1.46 TWh | 1.03 TWh | 900 GWh |
| Year | Generation | Demand | Carbon intensity |
|---|---|---|---|
| 2025 | 31.3 TWh | 37.4 TWh | 263 gCO2/kWh |
| 2024 | 31.1 TWh | 36.1 TWh | 271 gCO2/kWh |
| 2023 | 31.5 TWh | 34.8 TWh | 282 gCO2/kWh |
| 2022 | 33.8 TWh | 34.0 TWh | 331 gCO2/kWh |
| 2021 | 31.7 TWh | 33.3 TWh | 352 gCO2/kWh |
| 2020 | 32.2 TWh | 32.0 TWh | 291 gCO2/kWh |
| 2019 | 30.9 TWh | 31.5 TWh | 312 gCO2/kWh |
| 2018 | 31.0 TWh | 31.0 TWh | 362 gCO2/kWh |
| 2017 | 30.8 TWh | 30.1 TWh | 404 gCO2/kWh |
| 2016 | 30.3 TWh | 29.6 TWh | 442 gCO2/kWh |
Full year by year history for Ireland, 1990 to 2025
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.
Month by Month
Ember monthly statistics through August 2026| Month | Demand | Generation |
|---|---|---|
| 2024-09 | 2.64 TWh | 2.21 TWh |
| 2024-10 | 2.86 TWh | 2.50 TWh |
| 2024-11 | 3.00 TWh | 2.65 TWh |
| 2024-12 | 3.08 TWh | 2.73 TWh |
| 2025-01 | 3.22 TWh | 2.88 TWh |
| 2025-02 | 2.88 TWh | 2.55 TWh |
| 2025-03 | 3.04 TWh | 2.49 TWh |
| 2025-04 | 2.61 TWh | 2.28 TWh |
| 2025-05 | 2.66 TWh | 2.07 TWh |
| 2025-06 | 2.60 TWh | 2.01 TWh |
| 2025-07 | 2.78 TWh | 2.37 TWh |
| 2025-08 | 2.69 TWh | 2.18 TWh |
| 2025-09 | 2.72 TWh | 2.20 TWh |
| 2025-10 | 2.99 TWh | 2.51 TWh |
| 2025-11 | 3.14 TWh | 2.64 TWh |
| 2025-12 | 3.28 TWh | 2.77 TWh |
| 2026-01 | 3.44 TWh | 2.92 TWh |
| 2026-02 | 3.03 TWh | 2.62 TWh |
| 2026-03 | 3.21 TWh | 2.69 TWh |
| 2026-04 | 2.90 TWh | 2.43 TWh |
| 2026-05 | 2.79 TWh | 2.21 TWh |
| 2026-06 | 2.67 TWh | 2.23 TWh |
| 2026-07 | 2.78 TWh | 2.16 TWh |
| 2026-08 | 2.78 TWh | 2.07 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026.
Ireland Electricity FAQ
What is the main source of electricity in Ireland?
Gas was the largest source of electricity in Ireland in 2025, supplying 47.9% of generation, followed by wind (37.7%) and solar (4.7%). Figures are Ember annual statistics.
How much electricity does Ireland use?
Ireland used 37.4 TWh of electricity in 2025, about 6.99 MWh per person.
How clean is Ireland's electricity?
Generating a kilowatt hour of electricity in Ireland emitted 263 gCO2/kWh in 2025, and low carbon sources supplied 47.7% of generation. That is 43% below the world average of 459 gCO2/kWh.
Does Ireland import electricity?
Yes. Ireland imported 6.13 TWh more electricity than it exported in 2025.