Ireland vs Slovenia: Solar energy generation vs. capacity
Ireland
1,675 terawatt-hours
in 2025
Slovenia
1,537 terawatt-hours
in 2025
Ireland rank
56th
Slovenia rank
59th
Solar energy generation vs. capacity over time
- Ireland
- Slovenia
How they compare
Ireland currently reports 1,675 terawatt-hours against 1,537 terawatt-hours in Slovenia, a difference of 138 terawatt-hours.
That makes Ireland's figure about 1.1 times Slovenia's.
The two have swapped places 1 time across 36 shared years of data; in 1990 it was Slovenia ahead.
Ireland ranks 56th and Slovenia ranks 59th of 79 countries.
Slovenia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Ireland | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.0424 terawatt-hours | 0.5 terawatt-hours | 0.4576 terawatt-hours | Slovenia |
| 2010s | 7.23 terawatt-hours | 209.69 terawatt-hours | 202.46 terawatt-hours | Slovenia |
| 2020s | 617.12 terawatt-hours | 876.07 terawatt-hours | 258.95 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation vs. capacity, Ireland or Slovenia?
- Ireland, at 1,675 terawatt-hours against 1,537 terawatt-hours in Slovenia as of 2025.
- What is the difference in solar energy generation vs. capacity between Ireland and Slovenia?
- 138 terawatt-hours, with Ireland ahead.
- How many years of comparable data are there for Ireland and Slovenia?
- 36 years are reported by both, from 1990 to 2025.
- How do Ireland and Slovenia rank globally for solar energy generation vs. capacity?
- Ireland ranks 56th and Slovenia ranks 59th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Solar energy generation vs. capacity. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.