Iran vs Sri Lanka: Solar energy generation vs. capacity
Iran
2,203 terawatt-hours
in 2025
Sri Lanka
2,995 terawatt-hours
in 2025
Iran rank
50th
Sri Lanka rank
47th
Solar energy generation vs. capacity over time
- Iran
- Sri Lanka
How they compare
Sri Lanka currently reports 2,995 terawatt-hours against 2,203 terawatt-hours in Iran, a difference of 792 terawatt-hours.
That makes Sri Lanka's figure about 1.4 times Iran's.
The two have swapped places 2 times across 36 shared years of data; in 1990 it was Sri Lanka ahead.
Iran ranks 50th and Sri Lanka ranks 47th of 79 countries.
Sri Lanka has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Iran | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.07 terawatt-hours | 3.79 terawatt-hours | 3.72 terawatt-hours | Sri Lanka |
| 2010s | 82.81 terawatt-hours | 124.64 terawatt-hours | 41.83 terawatt-hours | Sri Lanka |
| 2020s | 974.4 terawatt-hours | 1,483 terawatt-hours | 508.29 terawatt-hours | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation vs. capacity, Iran or Sri Lanka?
- Sri Lanka, at 2,995 terawatt-hours against 2,203 terawatt-hours in Iran as of 2025.
- What is the difference in solar energy generation vs. capacity between Iran and Sri Lanka?
- 792 terawatt-hours, with Sri Lanka ahead.
- How many years of comparable data are there for Iran and Sri Lanka?
- 36 years are reported by both, from 1990 to 2025.
- How do Iran and Sri Lanka rank globally for solar energy generation vs. capacity?
- Iran ranks 50th and Sri Lanka ranks 47th 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.