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 213 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 25 years of available data.
Share of electricity generation from oil in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 100.0% | — |
| 2001 | 100.0% | +0.0% |
| 2002 | 100.0% | +0.0% |
| 2003 | 100.0% | +0.0% |
| 2004 | 100.0% | +0.0% |
| 2005 | 100.0% | +0.0% |
| 2006 | 100.0% | +0.0% |
| 2007 | 100.0% | +0.0% |
| 2008 | 100.0% | +0.0% |
| 2009 | 100.0% | +0.0% |
| 2010 | 100.0% | +0.0% |
| 2011 | 100.0% | +0.0% |
| 2012 | 100.0% | +0.0% |
| 2013 | 100.0% | +0.0% |
| 2014 | 100.0% | +0.0% |
| 2015 | 100.0% | +0.0% |
| 2016 | 100.0% | +0.0% |
| 2017 | 85.7% | -14.3% |
| 2018 | 85.7% | +0.0% |
| 2019 | 85.7% | +0.0% |
| 2020 | 85.7% | +0.0% |
| 2021 | 85.7% | +0.0% |
| 2022 | 87.5% | +2.1% |
| 2023 | 85.7% | -2.0% |
| 2024 | 85.7% | +0.0% |
Tonga compared with similar countries
- Tonga's 85.7% is above the median for upper middle income countries, which is 3.9%, 22.2× the median. (55 countries reporting)
- Tonga's 85.7% is above the median for East Asia & Pacific, which is 2.6%, 33.5× the median. (32 countries reporting)
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
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, annual growth rate 8.74 % change on previous year (2024)
- Coal consumption, per capita 0 terawatt-hours per person (2024)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Primary energy use, per capita 0 terawatt-hours per person (2024)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2024)
- Fuel imports 16.4% (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 213 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.