Rwanda vs Tonga: Installed solar energy capacity
Rwanda
0.0154 gigawatts
in 2025
Tonga
0.0158 gigawatts
in 2025
Rwanda rank
169th
Tonga rank
166th
Installed solar energy capacity over time
- Rwanda
- Tonga
How they compare
Tonga currently reports 0.0158 gigawatts against 0.0154 gigawatts in Rwanda, a difference of 0.0004 gigawatts.
The two have swapped places 3 times across 19 shared years of data; in 2007 it was Rwanda ahead.
Rwanda ranks 169th and Tonga ranks 166th of 218 countries.
Rwanda has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Rwanda | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 0.0004 gigawatts | 0.0001 gigawatts | 0.0003 gigawatts | Rwanda |
| 2010s | 0.0069 gigawatts | 0.0037 gigawatts | 0.0032 gigawatts | Rwanda |
| 2020s | 0.0151 gigawatts | 0.0125 gigawatts | 0.0027 gigawatts | Rwanda |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher installed solar energy capacity, Rwanda or Tonga?
- Tonga, at 0.0158 gigawatts against 0.0154 gigawatts in Rwanda as of 2025.
- What is the difference in installed solar energy capacity between Rwanda and Tonga?
- 0.0004 gigawatts, with Tonga ahead.
- How many years of comparable data are there for Rwanda and Tonga?
- 19 years are reported by both, from 2007 to 2025.
- How do Rwanda and Tonga rank globally for installed solar energy capacity?
- Rwanda ranks 169th and Tonga ranks 166th of 218 countries.
- Where does this data come from?
- IRENA (2026) – processed by Our World in Data, published as Installed solar energy capacity. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total solar (on- and off-grid) electricity installed capacity, measured in gigawatts. This includes solar photovoltaic and concentrated solar power.