Wind energy generation vs. installed capacity in Ireland

Ireland: Wind energy generation vs. installed capacity was 12,058 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
12,058 terawatt-hours
Change on year
up 3.5%
World rank
27th
of 79 countries
All-time high
12,058 terawatt-hours
in 2025
All-time low
0 terawatt-hours
in 1990
Years of data
36
1990–2025

Wind energy generation vs. installed capacity in Ireland, 1990–2025

02.5k5.0k7.5k10.0k12.5k1990200720251990: 0 terawatt-hours1991: 0 terawatt-hours1992: 5 terawatt-hours1993: 15 terawatt-hours1994: 19 terawatt-hours1995: 16 terawatt-hours1996: 14 terawatt-hours1997: 50 terawatt-hours1998: 169 terawatt-hours1999: 187 terawatt-hours2000: 244 terawatt-hours2001: 334.1 terawatt-hours2002: 388.1 terawatt-hours2003: 454.1 terawatt-hours2004: 655.1 terawatt-hours2005: 1.1k terawatt-hours2006: 1.6k terawatt-hours2007: 2.0k terawatt-hours2008: 2.5k terawatt-hours2009: 3.0k terawatt-hours2010: 2.9k terawatt-hours2011: 4.5k terawatt-hours2012: 4.1k terawatt-hours2013: 4.6k terawatt-hours2014: 5.2k terawatt-hours2015: 6.7k terawatt-hours2016: 6.2k terawatt-hours2017: 7.6k terawatt-hours2018: 8.8k terawatt-hours2019: 10.2k terawatt-hours2020: 11.7k terawatt-hours2021: 9.9k terawatt-hours2022: 11.4k terawatt-hours2023: 11.9k terawatt-hours2024: 11.6k terawatt-hours2025: 12.1k terawatt-hours

Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

Ireland recorded 12,058 terawatt-hours for wind energy generation vs. installed capacity in 2025. That is the highest value across all 36 years on record.

That represents a change of up 3.5% on the previous year and up 80.5% over ten years.

Over the whole period, wind energy generation vs. installed capacity in Ireland peaked at 12,058 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1990.

That places Ireland 27th out of 79 countries with data for 2025, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Wind energy generation vs. installed capacity in Ireland, year by year

Annual values for Wind energy generation vs. installed capacity in Ireland, 1990 to 2025.
Year terawatt-hours Change
1990 0 terawatt-hours —
1991 0 terawatt-hours —
1992 5 terawatt-hours —
1993 15 terawatt-hours +200.0%
1994 19 terawatt-hours +26.7%
1995 16 terawatt-hours -15.8%
1996 14 terawatt-hours -12.5%
1997 50.01 terawatt-hours +257.1%
1998 169.03 terawatt-hours +238.0%
1999 187.03 terawatt-hours +10.7%
2000 244.04 terawatt-hours +30.5%
2001 334.06 terawatt-hours +36.9%
2002 388.07 terawatt-hours +16.2%
2003 454.08 terawatt-hours +17.0%
2004 655.12 terawatt-hours +44.3%
2005 1,112 terawatt-hours +69.8%
2006 1,622 terawatt-hours +45.9%
2007 1,991 terawatt-hours +22.7%
2008 2,450 terawatt-hours +23.1%
2009 3,004 terawatt-hours +22.6%
2010 2,861 terawatt-hours -4.8%
2011 4,453 terawatt-hours +55.6%
2012 4,077 terawatt-hours -8.4%
2013 4,617 terawatt-hours +13.2%
2014 5,225 terawatt-hours +13.2%
2015 6,682 terawatt-hours +27.9%
2016 6,249 terawatt-hours -6.5%
2017 7,567 terawatt-hours +21.1%
2018 8,783 terawatt-hours +16.1%
2019 10,185 terawatt-hours +16.0%
2020 11,740 terawatt-hours +15.3%
2021 9,940 terawatt-hours -15.3%
2022 11,394 terawatt-hours +14.6%
2023 11,863 terawatt-hours +4.1%
2024 11,650 terawatt-hours -1.8%
2025 12,058 terawatt-hours +3.5%

Ireland compared with similar countries

  • Ireland's 12,058 terawatt-hours is above the median for high income countries, which is 3,888 terawatt-hours, 3.1× the median. (47 countries reporting)
  • Ireland's 12,058 terawatt-hours is above the median for Europe & Central Asia, which is 4,182 terawatt-hours, 2.9× the median. (39 countries reporting)

Biggest year-on-year movements

Years where Wind energy generation vs. installed capacity in Ireland changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1997 +257.1% 14 terawatt-hours 50.01 terawatt-hours
1998 +238.0% 50.01 terawatt-hours 169.03 terawatt-hours
1993 +200.0% 5 terawatt-hours 15 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1990s 47.51 terawatt-hours 0 terawatt-hours 187.03 terawatt-hours 10
2000s 1,225 terawatt-hours 244.04 terawatt-hours 3,004 terawatt-hours 10
2010s 6,070 terawatt-hours 2,861 terawatt-hours 10,185 terawatt-hours 10
2020s 11,441 terawatt-hours 9,940 terawatt-hours 12,058 terawatt-hours 6

Countries ranked near Ireland

  1. 24 Japan 12,837 terawatt-hours compare
  2. 25 Taiwan 12,202 terawatt-hours compare
  3. 26 Chile 12,199 terawatt-hours compare
  4. 28 South Africa 11,297 terawatt-hours compare
  5. 29 Greece 10,564 terawatt-hours compare
  6. 30 Egypt 9,928 terawatt-hours compare

See the full ranking of 81 places →

More energy & mining data for Ireland

All data for Ireland →

Frequently asked questions

What is wind energy generation vs. installed capacity in Ireland?
Wind energy generation vs. installed capacity in Ireland was 12,058 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
What is the highest wind energy generation vs. installed capacity recorded in Ireland?
The highest recorded value was 12,058 terawatt-hours in 2025.
What is the lowest wind energy generation vs. installed capacity recorded in Ireland?
The lowest recorded value was 0 terawatt-hours in 1990.
How does Ireland rank for wind energy generation vs. installed capacity?
Ireland ranks 27th out of 79 countries with data for 2025.
Is wind energy generation vs. installed capacity rising or falling in Ireland?
Over the last ten years it is up 80.5%. The long-run trend across the full record is volatile.
Where does this Ireland data come from?
The figures come from Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Wind energy generation vs. installed capacity. Statizoid updates them automatically from the source API.

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Wind energy generation vs. installed capacity in Ireland. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Retrieved 27 September 2026, from https://energy.statizoid.com/stat/wind-energy-consumption-vs-installed-wind-energy-capacity/ireland/

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About this data

Indicator
Wind energy generation vs. installed capacity
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
81 places, 3,782 data points, 1965–2025
Last refreshed

Figures are based on gross generation and do not account for cross-border electricity supply.