Share of electricity generation from oil in Tonga
Tonga: Share of electricity generation from oil was 85.7% in 2024. ▼ Falling
Share of electricity generation from oil in Tonga, 2000–2024
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.
Analysis
Tonga recorded 85.7% for share of electricity generation from oil in 2024. That is the lowest value across all 25 years on record.
Compared with earlier readings it is down 14.3% over ten years.
Over the whole period, share of electricity generation from oil in Tonga peaked at 100.0% in 2000 and was at its lowest, 85.7%, in 2017.
Tonga ranks 33rd of 208 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 25 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 100.0% | 100.0% | 100.0% | 10 |
| 2010s | 95.7% | 85.7% | 100.0% | 10 |
| 2020s | 86.1% | 85.7% | 87.5% | 5 |
Countries ranked near Tonga
- 30 Yemen 87.6% compare
- 31 Dominica 86.7% compare
- 31 Saint Vincent and the Grenadines 86.7% compare
- 34 Seychelles 84.1% compare
- 35 Aruba 83.0% compare
- 36 Burkina Faso 82.8% compare
More energy & mining data for Tonga
- Fuel imports 16.4% (2023)
- Ores and metals imports 0.6% (2023)
- Ores and metals exports 1.0% (2023)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 0.0% (2023)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 46.6% (2023)
- Share of dietary energy derived from protein vs. GDP per capita 16.9% (2023)
Frequently asked questions
- What is share of electricity generation from oil in Tonga?
- Share of electricity generation from oil in Tonga was 85.7% in 2024, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest share of electricity generation from oil recorded in Tonga?
- The highest recorded value was 100.0% in 2000.
- What is the lowest share of electricity generation from oil recorded in Tonga?
- The lowest recorded value was 85.7% in 2017.
- How does Tonga rank for share of electricity generation from oil?
- Tonga ranks 33rd out of 208 countries with data for 2024.
- Is share of electricity generation from oil rising or falling in Tonga?
- Over the last ten years it is down 14.3%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Share of electricity generation from oil. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured as a percentage of total electricity produced in the country or region.