Ireland generated 1.46 TWh of electricity from solar in 2025, 4.7% of its total, according to Ember. That made it the 63rd largest solar power producer in 2025 of the 180 countries with Ember data, comparing each country's latest year. Solar supplied 8.8% 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 1.46 TWh of electricity from solar in 2025.
Solar supplied 4.7% of Ireland's electricity in 2025.
Ireland was the 63rd largest solar power producer in 2025 among the 180 countries with Ember data, comparing each country's latest year.
Ireland's solar generation in 2025 was 24 times the 2020 level of 60.0 GWh.
Ireland's solar generation in 2025 was 1.46 TWh, up from none in 2015.
2025 was Ireland's highest year for solar generation in Ember's records, which start in 1990.
Ireland's solar share in 2025 was below the world share of 8.8%.
Ireland had 2.49 GW of solar generating capacity in 2025.
Key Figures, 2025
Measure
Value
As of / source
Solar generation
1.46 TWh
2025 · Ember
Share of Ireland's electricity
4.7%
2025 · Ember
World share of solar
8.8%
2025 · Ember
Rank by solar generation (each country's latest year)
63 of 180
2025 · Ember
Solar capacity
2.49 GW
2025 · Ember
Solar Generation Year by Year
Ember annual statistics, 1990 to 2025
Solar
Ireland's electricity generation from solar each year from 1990 to 2025, in GWh. It was 1.46 TWh in 2025.
Annual statistics through 2025, GWh
Ireland solar electricity generation, 1990 to 2025
Year
Solar
1990
0 TWh
1991
0 TWh
1992
0 TWh
1993
0 TWh
1994
0 TWh
1995
0 TWh
1996
0 TWh
1997
0 TWh
1998
0 TWh
1999
0 TWh
2000
0 TWh
2001
0 TWh
2002
0 TWh
2003
0 TWh
2004
0 TWh
2005
0 TWh
2006
0 TWh
2007
0 TWh
2008
0 TWh
2009
0 TWh
2010
0 TWh
2011
0 TWh
2012
0 TWh
2013
0 TWh
2014
0 TWh
2015
0 TWh
2016
0 TWh
2017
10.0 GWh
2018
20.0 GWh
2019
30.0 GWh
2020
60.0 GWh
2021
80.0 GWh
2022
150 GWh
2023
650 GWh
2024
1.09 TWh
2025
1.46 TWh
IrelandWorld
The share of Ireland's electricity generated from solar, 1990 to 2025, compared with the world share. In 2025 it was 4.7%, against 8.8% worldwide.
Annual statistics through 2025, % of generation
Share of Ireland's electricity from solar 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.
Solar Generation Month by Month
Ember monthly statistics through August 2026
Solar
Ireland generated 220 GWh of electricity from solar in August 2026, against 130 GWh in August 2025.
Monthly statistics through August 2026, TWh
Ireland monthly solar electricity generation, September 2024 to August 2026
Month
Solar
2024-09
70.0 GWh
2024-10
50.0 GWh
2024-11
20.0 GWh
2024-12
20.0 GWh
2025-01
30.0 GWh
2025-02
40.0 GWh
2025-03
90.0 GWh
2025-04
120 GWh
2025-05
170 GWh
2025-06
140 GWh
2025-07
160 GWh
2025-08
130 GWh
2025-09
100 GWh
2025-10
50.0 GWh
2025-11
30.0 GWh
2025-12
20.0 GWh
2026-01
30.0 GWh
2026-02
40.0 GWh
2026-03
100 GWh
2026-04
160 GWh
2026-05
220 GWh
2026-06
220 GWh
2026-07
260 GWh
2026-08
220 GWh
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.