Solar energy generation by region in Ireland
Ireland: Solar energy generation by region was 1.67 terawatt-hours in 2025. ◆ Volatile
Solar energy generation by region 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 by region in Ireland is 1.67 terawatt-hours, measured in 2025. That is the highest value across all 36 years on record.
That represents a change of up 53.2% on the previous year and up 81,752.7% over ten years.
Over the whole period, solar energy generation by region in Ireland peaked at 1.67 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1990.
That places Ireland 56th 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.
Solar energy generation by region 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 | 0.0004 terawatt-hours | — |
| 2010 | 0.0005 terawatt-hours | +12.3% |
| 2011 | 0.0005 terawatt-hours | +13.9% |
| 2012 | 0.0006 terawatt-hours | +19.0% |
| 2013 | 0.0008 terawatt-hours | +28.4% |
| 2014 | 0.0011 terawatt-hours | +36.4% |
| 2015 | 0.002 terawatt-hours | +81.2% |
| 2016 | 0.0047 terawatt-hours | +131.5% |
| 2017 | 0.01 terawatt-hours | +110.1% |
| 2018 | 0.0182 terawatt-hours | +82.4% |
| 2019 | 0.0338 terawatt-hours | +86.3% |
| 2020 | 0.0551 terawatt-hours | +63.0% |
| 2021 | 0.0846 terawatt-hours | +53.6% |
| 2022 | 0.1487 terawatt-hours | +75.6% |
| 2023 | 0.6465 terawatt-hours | +334.9% |
| 2024 | 1.09 terawatt-hours | +69.1% |
| 2025 | 1.67 terawatt-hours | +53.2% |
Ireland compared with similar countries
- Ireland's 1.67 terawatt-hours is below the median for high income countries, which is 4.94 terawatt-hours, 34% of the median. (47 countries reporting)
- Ireland's 1.67 terawatt-hours is below the median for Europe & Central Asia, which is 4.43 terawatt-hours, 38% of the median. (39 countries reporting)
Biggest year-on-year movements
Years where Solar energy generation by region 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% | 0.1487 terawatt-hours | 0.6465 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0 terawatt-hours | 0 terawatt-hours | 0.0004 terawatt-hours | 10 |
| 2010s | 0.0072 terawatt-hours | 0.0005 terawatt-hours | 0.0338 terawatt-hours | 10 |
| 2020s | 0.6171 terawatt-hours | 0.0551 terawatt-hours | 1.67 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 by region in Ireland?
- Solar energy generation by region in Ireland was 1.67 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 by region recorded in Ireland?
- The highest recorded value was 1.67 terawatt-hours in 2025.
- What is the lowest solar energy generation by region recorded in Ireland?
- The lowest recorded value was 0 terawatt-hours in 1990.
- How does Ireland rank for solar energy generation by region?
- Ireland ranks 56th out of 79 countries with data for 2025.
- Is solar energy generation by region 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 by region. 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.