Primary energy use in Tonga
Tonga: Primary energy use was 0.9219 terawatt-hours in 2024. ▲ Rising
Latest (2024)
0.9219 terawatt-hours
Change on year
up 8.7%
World rank
200th
of 219 countries
All-time high
1.06 terawatt-hours
in 2017
All-time low
0.1147 terawatt-hours
in 1986
Years of data
45
1980–2024
Primary energy use in Tonga, 1980–2024
Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy use in Tonga is 0.9219 terawatt-hours, measured in 2024.
The figure is up 8.7% on the previous year and up 12.3% over ten years.
Over the whole period, primary energy use in Tonga peaked at 1.06 terawatt-hours in 2017 and was at its lowest, 0.1147 terawatt-hours, in 1986.
Tonga ranks 200th of 219 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 45 years of available data.
Primary energy use in Tonga, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1980 | 0.1234 terawatt-hours | — |
| 1981 | 0.1846 terawatt-hours | +49.6% |
| 1982 | 0.1846 terawatt-hours | +0.0% |
| 1983 | 0.1846 terawatt-hours | +0.0% |
| 1984 | 0.1851 terawatt-hours | +0.3% |
| 1985 | 0.1846 terawatt-hours | -0.3% |
| 1986 | 0.1147 terawatt-hours | -37.9% |
| 1987 | 0.2543 terawatt-hours | +121.8% |
| 1988 | 0.318 terawatt-hours | +25.0% |
| 1989 | 0.3928 terawatt-hours | +23.5% |
| 1990 | 0.3928 terawatt-hours | +0.0% |
| 1991 | 0.399 terawatt-hours | +1.6% |
| 1992 | 0.3794 terawatt-hours | -4.9% |
| 1993 | 0.3786 terawatt-hours | -0.2% |
| 1994 | 0.5145 terawatt-hours | +35.9% |
| 1995 | 0.465 terawatt-hours | -9.6% |
| 1996 | 0.5285 terawatt-hours | +13.6% |
| 1997 | 0.553 terawatt-hours | +4.6% |
| 1998 | 0.5623 terawatt-hours | +1.7% |
| 1999 | 0.5623 terawatt-hours | +0.0% |
| 2000 | 0.4382 terawatt-hours | -22.1% |
| 2001 | 0.3947 terawatt-hours | -9.9% |
| 2002 | 0.4279 terawatt-hours | +8.4% |
| 2003 | 0.5272 terawatt-hours | +23.2% |
| 2004 | 0.4883 terawatt-hours | -7.4% |
| 2005 | 0.52 terawatt-hours | +6.5% |
| 2006 | 0.5849 terawatt-hours | +12.5% |
| 2007 | 0.5007 terawatt-hours | -14.4% |
| 2008 | 0.5408 terawatt-hours | +8.0% |
| 2009 | 0.5869 terawatt-hours | +8.5% |
| 2010 | 0.5584 terawatt-hours | -4.9% |
| 2011 | 0.5208 terawatt-hours | -6.7% |
| 2012 | 0.677 terawatt-hours | +30.0% |
| 2013 | 0.8098 terawatt-hours | +19.6% |
| 2014 | 0.8206 terawatt-hours | +1.3% |
| 2015 | 0.8184 terawatt-hours | -0.3% |
| 2016 | 0.9522 terawatt-hours | +16.3% |
| 2017 | 1.06 terawatt-hours | +11.5% |
| 2018 | 0.9147 terawatt-hours | -13.8% |
| 2019 | 0.8864 terawatt-hours | -3.1% |
| 2020 | 0.7968 terawatt-hours | -10.1% |
| 2021 | 0.7996 terawatt-hours | +0.4% |
| 2022 | 0.7557 terawatt-hours | -5.5% |
| 2023 | 0.8478 terawatt-hours | +12.2% |
| 2024 | 0.9219 terawatt-hours | +8.7% |
Tonga compared with similar countries
- Tonga's 0.9219 terawatt-hours is below the median for upper middle income countries, which is 87.51 terawatt-hours, 1% of the median. (57 countries reporting)
- Tonga's 0.9219 terawatt-hours is below the median for East Asia & Pacific, which is 56.44 terawatt-hours, 2% of the median. (35 countries reporting)
Biggest year-on-year movements
Years where Primary energy use in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1987 | +121.8% | 0.1147 terawatt-hours | 0.2543 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.2127 terawatt-hours | 0.1147 terawatt-hours | 0.3928 terawatt-hours | 10 |
| 1990s | 0.4735 terawatt-hours | 0.3786 terawatt-hours | 0.5623 terawatt-hours | 10 |
| 2000s | 0.501 terawatt-hours | 0.3947 terawatt-hours | 0.5869 terawatt-hours | 10 |
| 2010s | 0.802 terawatt-hours | 0.5208 terawatt-hours | 1.06 terawatt-hours | 10 |
| 2020s | 0.8244 terawatt-hours | 0.7557 terawatt-hours | 0.9219 terawatt-hours | 5 |
Countries ranked near Tonga
- 197 Western Sahara 1.24 terawatt-hours compare
- 198 Saint Kitts and Nevis 1.17 terawatt-hours compare
- 199 Saint Vincent and the Grenadines 1.14 terawatt-hours compare
- 201 British Virgin Islands 0.7882 terawatt-hours compare
- 202 Dominica 0.7744 terawatt-hours compare
- 203 Sao Tome and Principe 0.7419 terawatt-hours 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 primary energy use in Tonga?
- Primary energy use in Tonga was 0.9219 terawatt-hours in 2024, according to Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
- What is the highest primary energy use recorded in Tonga?
- The highest recorded value was 1.06 terawatt-hours in 2017.
- What is the lowest primary energy use recorded in Tonga?
- The lowest recorded value was 0.1147 terawatt-hours in 1986.
- How does Tonga rank for primary energy use?
- Tonga ranks 200th out of 219 countries with data for 2024.
- Is primary energy use rising or falling in Tonga?
- Over the last ten years it is up 12.3%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Primary energy use. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.