Ireland vs South Africa: Wind energy generation vs. installed capacity
Ireland
12,058 terawatt-hours
in 2025
South Africa
11,297 terawatt-hours
in 2025
Ireland rank
27th
South Africa rank
28th
Wind energy generation vs. installed capacity over time
- Ireland
- South Africa
How they compare
Ireland currently reports 12,058 terawatt-hours against 11,297 terawatt-hours in South Africa, a difference of 761 terawatt-hours.
That makes Ireland's figure about 1.1 times South Africa's.
The two have swapped places 1 time across 36 shared years of data; in 1990 it was South Africa ahead.
Ireland ranks 27th and South Africa ranks 28th of 79 countries.
Ireland has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Ireland | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 47.51 terawatt-hours | 0 terawatt-hours | 47.51 terawatt-hours | Ireland |
| 2000s | 1,225 terawatt-hours | 10.5 terawatt-hours | 1,215 terawatt-hours | Ireland |
| 2010s | 6,070 terawatt-hours | 2,860 terawatt-hours | 3,209 terawatt-hours | Ireland |
| 2020s | 11,441 terawatt-hours | 9,788 terawatt-hours | 1,653 terawatt-hours | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher wind energy generation vs. installed capacity, Ireland or South Africa?
- Ireland, at 12,058 terawatt-hours against 11,297 terawatt-hours in South Africa as of 2025.
- What is the difference in wind energy generation vs. installed capacity between Ireland and South Africa?
- 761 terawatt-hours, with Ireland ahead.
- How many years of comparable data are there for Ireland and South Africa?
- 36 years are reported by both, from 1990 to 2025.
- How do Ireland and South Africa rank globally for wind energy generation vs. installed capacity?
- Ireland ranks 27th and South Africa ranks 28th 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 Wind energy generation vs. installed 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.