Tonga Solar Power: Generation, Share and Trend
Tonga generated 10.0 GWh of electricity from solar in 2024, 14.3% of its total, according to Ember. That made it the 176th largest solar power producer in 2024 of the 180 countries with Ember data, comparing each country's latest year. Solar supplied 7.0% of the world's electricity in 2024. These are annual statistics for 2024; they are compiled from national sources and are not real time.
Key Facts
- Tonga generated 10.0 GWh of electricity from solar in 2024.
- Solar supplied 14.3% of Tonga's electricity in 2024.
- Tonga was the 176th largest solar power producer in 2024 among the 180 countries with Ember data, comparing each country's latest year.
- Tonga's solar generation in 2024 was about the same as in 2019, at 10.0 GWh.
- Tonga's solar generation in 2024 was 10.0 GWh, up from none in 2014.
- Tonga's solar generation peaked at 10.0 GWh in 2017.
- Tonga's solar share in 2024 was above the world share of 7.0%.
- Tonga had 20 MW of solar generating capacity in 2024.
Key Figures, 2024
| Measure | Value | As of / source |
|---|---|---|
| Solar generation | 10.0 GWh | 2024 · Ember |
| Share of Tonga's electricity | 14.3% | 2024 · Ember |
| World share of solar | 7.0% | 2024 · Ember |
| Rank by solar generation (each country's latest year) | 176 of 180 | 2024 · Ember |
| Solar capacity | 20 MW | 2024 · Ember |
Solar Generation Year by Year
Ember annual statistics, 2000 to 2024Annual statistics through 2024, GWh
| Year | Solar |
|---|---|
| 2000 | 0 TWh |
| 2001 | 0 TWh |
| 2002 | 0 TWh |
| 2003 | 0 TWh |
| 2004 | 0 TWh |
| 2005 | 0 TWh |
| 2006 | 0 TWh |
| 2007 | 0 TWh |
| 2008 | 0 TWh |
| 2009 | 0 TWh |
| 2010 | 0 TWh |
| 2011 | 0 TWh |
| 2012 | 0 TWh |
| 2013 | 0 TWh |
| 2014 | 0 TWh |
| 2015 | 0 TWh |
| 2016 | 0 TWh |
| 2017 | 10.0 GWh |
| 2018 | 10.0 GWh |
| 2019 | 10.0 GWh |
| 2020 | 10.0 GWh |
| 2021 | 10.0 GWh |
| 2022 | 10.0 GWh |
| 2023 | 10.0 GWh |
| 2024 | 10.0 GWh |
Annual statistics through 2024, % of generation
| Year | Tonga | World |
|---|---|---|
| 2000 | 0.0% | 0.0% |
| 2001 | 0.0% | 0.0% |
| 2002 | 0.0% | 0.0% |
| 2003 | 0.0% | 0.0% |
| 2004 | 0.0% | 0.0% |
| 2005 | 0.0% | 0.0% |
| 2006 | 0.0% | 0.0% |
| 2007 | 0.0% | 0.0% |
| 2008 | 0.0% | 0.1% |
| 2009 | 0.0% | 0.1% |
| 2010 | 0.0% | 0.2% |
| 2011 | 0.0% | 0.3% |
| 2012 | 0.0% | 0.4% |
| 2013 | 0.0% | 0.6% |
| 2014 | 0.0% | 0.8% |
| 2015 | 0.0% | 1.1% |
| 2016 | 0.0% | 1.3% |
| 2017 | 14.3% | 1.8% |
| 2018 | 14.3% | 2.2% |
| 2019 | 14.3% | 2.6% |
| 2020 | 14.3% | 3.2% |
| 2021 | 14.3% | 3.7% |
| 2022 | 12.5% | 4.6% |
| 2023 | 14.3% | 5.6% |
| 2024 | 14.3% | 7.0% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2024 | 10.0 GWh | 14.3% | 7.0% | 20 MW |
| 2023 | 10.0 GWh | 14.3% | 5.6% | 20 MW |
| 2022 | 10.0 GWh | 12.5% | 4.6% | 10 MW |
| 2021 | 10.0 GWh | 14.3% | 3.7% | 10 MW |
| 2020 | 10.0 GWh | 14.3% | 3.2% | 10 MW |
| 2019 | 10.0 GWh | 14.3% | 2.6% | 10 MW |
| 2018 | 10.0 GWh | 14.3% | 2.2% | 10 MW |
| 2017 | 10.0 GWh | 14.3% | 1.8% | 10 MW |
| 2016 | 0 TWh | 0.0% | 1.3% | 0 GW |
| 2015 | 0 TWh | 0.0% | 1.1% | 0 GW |
Full year by year history for Tonga
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2024. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.