Ireland generated 15.0 TWh of electricity from gas in 2025, 47.9% of its total, according to Ember. That made it the 52nd 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 August 2026; they are
compiled from national sources and are not real time.
Key Facts
Ireland generated 15.0 TWh of electricity from gas in 2025.
Gas supplied 47.9% of Ireland's electricity in 2025.
Ireland was the 52nd largest gas power producer in 2025 among the 117 countries with Ember data, comparing each country's latest year.
Ireland's gas generation in 2025 was 8% lower than in 2020, when it was 16.2 TWh.
Ireland's gas generation in 2025 was 21% higher than in 2015, when it was 12.4 TWh.
Ireland's gas generation peaked at 18.1 TWh in 2010.
Ireland's gas share in 2025 was above the world share of 21.7%.
Ireland had 4.88 GW of gas generating capacity in 2025.
Gas power in Ireland emitted 6.74 MtCO2 in 2025, 82% of the power sector's emissions.
Key Figures, 2025
Measure
Value
As of / source
Gas generation
15.0 TWh
2025 · Ember
Share of Ireland's electricity
47.9%
2025 · Ember
World share of gas
21.7%
2025 · Ember
Rank by gas generation (each country's latest year)
52 of 117
2025 · Ember
Gas capacity
4.88 GW
2025 · Ember
Gas power emissions
6.74 MtCO2
2025 · Ember
Gas Generation Year by Year
Ember annual statistics, 1990 to 2025
Gas
Ireland's electricity generation from gas each year from 1990 to 2025, in TWh. It was 15.0 TWh in 2025.
Annual statistics through 2025, TWh
Ireland gas electricity generation, 1990 to 2025
Year
Gas
1990
3.94 TWh
1991
3.75 TWh
1992
3.65 TWh
1993
4.53 TWh
1994
4.46 TWh
1995
5.16 TWh
1996
6.29 TWh
1997
6.57 TWh
1998
6.43 TWh
1999
6.96 TWh
2000
9.26 TWh
2001
9.15 TWh
2002
10.8 TWh
2003
13.0 TWh
2004
12.9 TWh
2005
11.6 TWh
2006
13.8 TWh
2007
16.1 TWh
2008
16.7 TWh
2009
16.3 TWh
2010
18.1 TWh
2011
15.4 TWh
2012
14.1 TWh
2013
13.1 TWh
2014
12.6 TWh
2015
12.4 TWh
2016
15.3 TWh
2017
15.7 TWh
2018
16.0 TWh
2019
15.9 TWh
2020
16.2 TWh
2021
15.2 TWh
2022
16.5 TWh
2023
15.4 TWh
2024
15.1 TWh
2025
15.0 TWh
IrelandWorld
The share of Ireland's electricity generated from gas, 1990 to 2025, compared with the world share. In 2025 it was 47.9%, against 21.7% worldwide.
Annual statistics through 2025, % of generation
Share of Ireland's electricity from gas and the world share, 1990 to 2025
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 August 2026
Gas
Ireland generated 1.25 TWh of electricity from gas in August 2026, against 1.20 TWh in August 2025.
Monthly statistics through August 2026, TWh
Ireland monthly gas electricity generation, September 2024 to August 2026
Month
Gas
2024-09
1.16 TWh
2024-10
1.21 TWh
2024-11
1.53 TWh
2024-12
1.18 TWh
2025-01
1.45 TWh
2025-02
880 GWh
2025-03
1.19 TWh
2025-04
1.14 TWh
2025-05
1.08 TWh
2025-06
950 GWh
2025-07
1.38 TWh
2025-08
1.20 TWh
2025-09
980 GWh
2025-10
1.14 TWh
2025-11
1.29 TWh
2025-12
1.21 TWh
2026-01
1.49 TWh
2026-02
1.08 TWh
2026-03
1.05 TWh
2026-04
990 GWh
2026-05
1.13 TWh
2026-06
1.07 TWh
2026-07
1.19 TWh
2026-08
1.25 TWh
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Monthly figures for Ireland can differ slightly from the annual totals.