Solar energy generation vs. capacity in Ireland
Ireland: Solar energy generation vs. capacity was 1,675 terawatt-hours in 2025. ◆ Volatile
Solar energy generation vs. capacity in Ireland, 1990–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for solar energy generation vs. capacity in Ireland is 1,675 terawatt-hours, measured in 2025. That is the highest value across all 36 years on record.
The figure is up 53.2% on the previous year and up 81,752.7% over ten years.
Over the whole period, solar energy generation vs. capacity in Ireland peaked at 1,675 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1990.
Ireland ranks 56th of 79 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Solar energy generation vs. capacity in Ireland, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1990 | 0 terawatt-hours | — |
| 1991 | 0 terawatt-hours | — |
| 1992 | 0 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0 terawatt-hours | — |
| 1997 | 0 terawatt-hours | — |
| 1998 | 0 terawatt-hours | — |
| 1999 | 0 terawatt-hours | — |
| 2000 | 0 terawatt-hours | — |
| 2001 | 0 terawatt-hours | — |
| 2002 | 0 terawatt-hours | — |
| 2003 | 0 terawatt-hours | — |
| 2004 | 0 terawatt-hours | — |
| 2005 | 0 terawatt-hours | — |
| 2006 | 0 terawatt-hours | — |
| 2007 | 0 terawatt-hours | — |
| 2008 | 0 terawatt-hours | — |
| 2009 | 0.424 terawatt-hours | — |
| 2010 | 0.476 terawatt-hours | +12.3% |
| 2011 | 0.542 terawatt-hours | +13.9% |
| 2012 | 0.645 terawatt-hours | +19.0% |
| 2013 | 0.828 terawatt-hours | +28.4% |
| 2014 | 1.13 terawatt-hours | +36.4% |
| 2015 | 2.05 terawatt-hours | +81.2% |
| 2016 | 4.74 terawatt-hours | +131.5% |
| 2017 | 9.95 terawatt-hours | +110.1% |
| 2018 | 18.15 terawatt-hours | +82.4% |
| 2019 | 33.81 terawatt-hours | +86.3% |
| 2020 | 55.11 terawatt-hours | +63.0% |
| 2021 | 84.65 terawatt-hours | +53.6% |
| 2022 | 148.66 terawatt-hours | +75.6% |
| 2023 | 646.48 terawatt-hours | +334.9% |
| 2024 | 1,093 terawatt-hours | +69.1% |
| 2025 | 1,675 terawatt-hours | +53.2% |
Ireland compared with similar countries
- Ireland's 1,675 terawatt-hours is below the median for high income countries, which is 4,936 terawatt-hours, 34% of the median. (47 countries reporting)
- Ireland's 1,675 terawatt-hours is below the median for Europe & Central Asia, which is 4,430 terawatt-hours, 38% of the median. (39 countries reporting)
Biggest year-on-year movements
Years where Solar energy generation vs. 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.
| Year | Change | From | To |
|---|---|---|---|
| 2023 | +334.9% | 148.66 terawatt-hours | 646.48 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0.0424 terawatt-hours | 0 terawatt-hours | 0.424 terawatt-hours | 10 |
| 2010s | 7.23 terawatt-hours | 0.476 terawatt-hours | 33.81 terawatt-hours | 10 |
| 2020s | 617.12 terawatt-hours | 55.11 terawatt-hours | 1,675 terawatt-hours | 6 |
Countries ranked near Ireland
More energy & mining data for Ireland
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -1.01 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 6.2% (2024)
Frequently asked questions
- What is solar energy generation vs. capacity in Ireland?
- Solar energy generation vs. capacity in Ireland was 1,675 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 solar energy generation vs. capacity recorded in Ireland?
- The highest recorded value was 1,675 terawatt-hours in 2025.
- What is the lowest solar energy generation vs. capacity recorded in Ireland?
- The lowest recorded value was 0 terawatt-hours in 1990.
- How does Ireland rank for solar energy generation vs. capacity?
- Ireland ranks 56th out of 79 countries with data for 2025.
- Is solar energy generation vs. capacity rising or falling in Ireland?
- Over the last ten years it is up 81,752.7%. 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 Solar energy generation vs. capacity. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 36 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.