Energy Transition Tracker: Who Is Cutting Coal and Adding Solar, Wind and Nuclear, 2025
Ember's latest complete year of country data is 2025. This tracker compares each of the 79 countries that generated at least 10 TWh of electricity in 2025 with its own 2020 and 2015, fuel by fuel: coal (Israel -22.7 points since 2020); solar (Hungary +20.1 points since 2020); wind (Finland +15.5 points since 2020); nuclear (Belarus +36.5 points since 2020); gas (Belarus -33.9 points since 2020).
Key Facts, 2025
- The latest complete Ember year of country data is 2025; 79 countries generating at least 10 TWh are compared with their own 2020 and 2015.
- World coal share of electricity was 33.1% in 2025, against 35.4% in 2020.
- World solar share of electricity was 8.8% in 2025, against 3.2% in 2020.
- World wind share of electricity was 8.5% in 2025, against 6.0% in 2020.
- World nuclear share of electricity was 8.9% in 2025, against 9.9% in 2020.
- World gas share of electricity was 21.9% in 2025, against 23.8% in 2020.
- 5 countries have exited coal by 2025.
- 1 country has exited nuclear by 2025.
- 1 country has exited gas by 2025.
The Trackers
Ember, 2015 to 2025- Coal power trends
Israel -22.7 points since 2020. 5 countries have exited.
- Solar power trends
Hungary +20.1 points since 2020.
- Wind power trends
Finland +15.5 points since 2020.
- Nuclear power trends
Belarus +36.5 points since 2020. 1 country has exited.
- Gas power trends
Belarus -33.9 points since 2020. 1 country has exited.
World Share by Fuel, 2025 Against 2020
Ember World region, annual| Fuel | Share 2025 | Share 2020 | Change | Generation 2025 | Countries exited |
|---|---|---|---|---|---|
| Coal | 33.1% | 35.4% | -2.3 points | 10,482 TWh | 5 |
| Solar | 8.8% | 3.2% | +5.6 points | 2,781 TWh | None |
| Wind | 8.5% | 6.0% | +2.6 points | 2,704 TWh | None |
| Nuclear | 8.9% | 9.9% | -1.1 points | 2,809 TWh | 1 |
| Gas | 21.9% | 23.8% | -1.9 points | 6,937 TWh | 1 |
Each tracker covers the 79 countries that generated at least 10 TWh in 2025 and compares them with their own 2020 and 2015. Exits count countries with a past peak of at least 1 TWh and under 100 GWh in 2025 and the year before.
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. Annual statistics from Ember, complete years.