Total electricity output in Tonga

Tonga: Total electricity output was 55.41 GWh in 2015. ▲ Rising

Latest (2015)
55.41 GWh
Change on year
up 1.5%
World rank
218th
of 230 countries
All-time high
55.41 GWh
in 2015
All-time low
24 GWh
in 1990
Years of data
26
1990–2015

Total electricity output in Tonga, 1990–2015

02040601990200220151990: 24 GWh1991: 25 GWh1992: 26.6 GWh1993: 27.3 GWh1994: 29 GWh1995: 31.2 GWh1996: 29.7 GWh1997: 29.9 GWh1998: 29.6 GWh1999: 33.8 GWh2000: 43.2 GWh2001: 39 GWh2002: 40.2 GWh2003: 44.8 GWh2004: 47.3 GWh2005: 48 GWh2006: 49 GWh2007: 51 GWh2008: 53 GWh2009: 54.7 GWh2010: 51.9 GWh2011: 53.2 GWh2012: 52.4 GWh2013: 53.3 GWh2014: 54.6 GWh2015: 55.4 GWh

Source: World Bank and International Energy Agency (IEA Statistics © OECD/IEA, http://www.iea.org/stats/index.asp). Measured in GWh.

Analysis

Tonga recorded 55.41 GWh for total electricity output in 2015. That is the highest value across all 26 years on record.

The figure is up 1.5% on the previous year and up 15.4% over ten years.

Over the whole period, total electricity output in Tonga peaked at 55.41 GWh in 2015 and was at its lowest, 24 GWh, in 1990.

That places Tonga 218th out of 230 countries with data for 2015, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 26 years of available data.

Total electricity output in Tonga, year by year

Annual values for Total electricity output (GWh) in Tonga, 1990 to 2015.
Year GWh Change
1990 24 GWh
1991 25 GWh +4.2%
1992 26.6 GWh +6.4%
1993 27.3 GWh +2.6%
1994 29 GWh +6.2%
1995 31.2 GWh +7.6%
1996 29.7 GWh -4.8%
1997 29.9 GWh +0.7%
1998 29.6 GWh -1.0%
1999 33.8 GWh +14.2%
2000 43.2 GWh +27.8%
2001 39 GWh -9.7%
2002 40.2 GWh +3.1%
2003 44.8 GWh +11.4%
2004 47.3 GWh +5.6%
2005 48 GWh +1.5%
2006 49 GWh +2.1%
2007 51 GWh +4.1%
2008 53 GWh +3.9%
2009 54.66 GWh +3.1%
2010 51.85 GWh -5.1%
2011 53.16 GWh +2.5%
2012 52.39 GWh -1.4%
2013 53.31 GWh +1.8%
2014 54.56 GWh +2.3%
2015 55.41 GWh +1.5%

Tonga compared with similar countries

  • Tonga's 55.41 GWh is below the median for upper middle income countries, which is 13,182 GWh, 0% of the median. (59 countries reporting)
  • Tonga's 55.41 GWh is below the median for East Asia & Pacific, which is 4,176 GWh, 1% of the median. (37 countries reporting)

Biggest year-on-year movements

Years where Total electricity output 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.

YearChange FromTo
2000 +27.8% 33.8 GWh 43.2 GWh

Averages by decade

DecadeAverage LowestHighest Years
1990s 28.61 GWh 24 GWh 33.8 GWh 10
2000s 47.02 GWh 39 GWh 54.66 GWh 10
2010s 53.45 GWh 51.85 GWh 55.41 GWh 6

Countries ranked near Tonga

  1. 215 Sao Tome and Principe 69.7 GWh compare
  2. 216 Micronesia (country) 68.7 GWh compare
  3. 217 Vanuatu 63.5 GWh compare
  4. 219 Saint Pierre and Miquelon 49.47 GWh compare
  5. 220 Comoros 41.9 GWh compare
  6. 221 Guinea-Bissau 36.35 GWh compare

See the full ranking of 230 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is total electricity output in Tonga?
Total electricity output in Tonga was 55.41 GWh in 2015, according to World Bank and International Energy Agency (IEA Statistics © OECD/IEA, http://www.iea.org/stats/index.asp).
What is the highest total electricity output recorded in Tonga?
The highest recorded value was 55.41 GWh in 2015.
What is the lowest total electricity output recorded in Tonga?
The lowest recorded value was 24 GWh in 1990.
How does Tonga rank for total electricity output?
Tonga ranks 218th out of 230 countries with data for 2015.
Is total electricity output rising or falling in Tonga?
Over the last ten years it is up 15.4%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from World Bank and International Energy Agency (IEA Statistics © OECD/IEA, http://www.iea.org/stats/index.asp), published as part of Total electricity output (GWh). Statizoid updates them automatically from the source API.

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Total electricity output in Tonga. Statizoid, drawing on World Bank and International Energy Agency (IEA Statistics © OECD/IEA, http://www.iea.org/stats/index.asp). Retrieved 22 September 2026, from https://reference.statizoid.com/stat/total-electricity-output-gwh/tonga/

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About this data

Indicator
Total electricity output (GWh)
Unit
GWh
Source
World Bank and International Energy Agency (IEA Statistics © OECD/IEA, http://www.iea.org/stats/index.asp)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
230 places, 5,911 data points, 1990–2015
Last refreshed

Total electricity output (GWh): Total number of GWh generated by all power plants