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
199th
of 218 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

0.20.40.60.811980200220241980: 0.123 terawatt-hours1981: 0.185 terawatt-hours1982: 0.185 terawatt-hours1983: 0.185 terawatt-hours1984: 0.185 terawatt-hours1985: 0.185 terawatt-hours1986: 0.115 terawatt-hours1987: 0.254 terawatt-hours1988: 0.318 terawatt-hours1989: 0.393 terawatt-hours1990: 0.393 terawatt-hours1991: 0.399 terawatt-hours1992: 0.379 terawatt-hours1993: 0.379 terawatt-hours1994: 0.514 terawatt-hours1995: 0.465 terawatt-hours1996: 0.528 terawatt-hours1997: 0.553 terawatt-hours1998: 0.562 terawatt-hours1999: 0.562 terawatt-hours2000: 0.438 terawatt-hours2001: 0.395 terawatt-hours2002: 0.428 terawatt-hours2003: 0.527 terawatt-hours2004: 0.488 terawatt-hours2005: 0.52 terawatt-hours2006: 0.585 terawatt-hours2007: 0.501 terawatt-hours2008: 0.541 terawatt-hours2009: 0.587 terawatt-hours2010: 0.558 terawatt-hours2011: 0.521 terawatt-hours2012: 0.677 terawatt-hours2013: 0.81 terawatt-hours2014: 0.821 terawatt-hours2015: 0.818 terawatt-hours2016: 0.952 terawatt-hours2017: 1.1 terawatt-hours2018: 0.915 terawatt-hours2019: 0.886 terawatt-hours2020: 0.797 terawatt-hours2021: 0.8 terawatt-hours2022: 0.756 terawatt-hours2023: 0.848 terawatt-hours2024: 0.922 terawatt-hours

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

Tonga recorded 0.9219 terawatt-hours for primary energy use 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.

That places Tonga 199th out of 218 countries with data for 2024, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 45 years of available data.

Averages by decade

DecadeAverage LowestHighest 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

  1. 196 Western Sahara 1.24 terawatt-hours compare
  2. 197 Saint Kitts and Nevis 1.17 terawatt-hours compare
  3. 198 Saint Vincent and the Grenadines 1.14 terawatt-hours compare
  4. 200 British Virgin Islands 0.7882 terawatt-hours compare
  5. 201 Dominica 0.7744 terawatt-hours compare
  6. 202 Sao Tome and Principe 0.7419 terawatt-hours compare

See the full ranking of 221 places →

More energy & mining data for Tonga

All data for Tonga →

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 199th out of 218 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

Indicator
Primary energy use
Unit
terawatt-hours
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
Licence
CC BY 4.0 (Our World in Data)
Coverage
221 places, 10,722 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.