Iran, Islamic Republic of vs Sri Lanka: Solar energy generation by region
Iran, Islamic Republic of
2.2 terawatt-hours
in 2025
Sri Lanka
3 terawatt-hours
in 2025
Iran, Islamic Republic of rank
50th
Sri Lanka rank
47th
Solar energy generation by region over time
- Iran, Islamic Republic of
- Sri Lanka
How they compare
Sri Lanka currently reports 3 terawatt-hours against 2.2 terawatt-hours in Iran, Islamic Republic of, a difference of 0.8 terawatt-hours.
That makes Sri Lanka's figure about 1.4 times Iran, Islamic Republic of's.
The two have swapped places 2 times across 36 shared years of data; in 1990 it was Sri Lanka ahead.
Iran, Islamic Republic of 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, Islamic Republic of | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.0001 terawatt-hours | 0.0038 terawatt-hours | 0.0037 terawatt-hours | Sri Lanka |
| 2010s | 0.0828 terawatt-hours | 0.1246 terawatt-hours | 0.0418 terawatt-hours | Sri Lanka |
| 2020s | 0.9744 terawatt-hours | 1.48 terawatt-hours | 0.5083 terawatt-hours | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation by region, Iran, Islamic Republic of or Sri Lanka?
- Sri Lanka, at 3 terawatt-hours against 2.2 terawatt-hours in Iran, Islamic Republic of as of 2025.
- What is the difference in solar energy generation by region between Iran, Islamic Republic of and Sri Lanka?
- 0.8 terawatt-hours, with Sri Lanka ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Sri Lanka?
- 36 years are reported by both, from 1990 to 2025.
- How do Iran, Islamic Republic of and Sri Lanka rank globally for solar energy generation by region?
- Iran, Islamic Republic of 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 by region. 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.