Clean energy is noncarbohydrate energy that does not produce carbon dioxide when generated. It includes hydropower and nuclear, geothermal, and solar power, among others.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Austria | 11.0 | 12.9 | 10.2 | 10.8 | 10.1 | 12.8 | 12.5 | 12.9 | 11.9 | 12.7 | 12.4 | 12.5 | 13.5 | 14.5 | 13.1 | 13.2 | 16.2 |
| Belgium | 23.3 | 21.7 | 21.4 | 21.1 | 23.1 | 20.5 | 21.0 | 18.0 | 14.5 | 21.8 | 21.5 | 16.0 | 23.0 | 21.0 | 26.5 | 26.0 | 22.5 |
| Cyprus | 0.0 | 1.7 | 1.9 | 2.6 | 3.1 | 3.7 | 4.6 | 4.5 | 4.8 | 4.6 | 4.6 | 4.8 | 5.0 | 5.6 | 6.3 | 6.6 | |
| Estonia | 0.0 | 0.0 | 0.1 | 0.4 | 0.6 | 0.8 | 0.8 | 1.0 | 1.3 | 0.9 | 1.1 | 1.0 | 1.4 | 2.2 | 2.1 | 2.3 | 2.9 |
| Finland | 20.9 | 22.0 | 21.1 | 19.4 | 20.4 | 22.1 | 21.9 | 21.7 | 23.7 | 22.8 | 22.6 | 22.3 | 23.5 | 25.7 | 24.9 | 28.0 | 35.3 |
| France | 38.7 | 45.3 | 44.9 | 45.0 | 46.9 | 45.8 | 45.9 | 48.9 | 48.2 | 45.8 | 45.1 | 47.6 | 46.8 | 47.2 | 46.4 | 40.9 | 46.7 |
| Germany | 11.8 | 14.0 | 13.9 | 13.1 | 11.6 | 11.2 | 11.0 | 11.7 | 11.9 | 11.3 | 11.3 | 11.7 | 12.5 | 12.6 | 12.1 | 10.2 | 9.0 |
| Greece | 1.0 | 1.9 | 2.4 | 4.2 | 3.5 | 4.2 | 6.3 | 5.6 | 6.6 | 6.7 | 6.2 | 7.4 | 7.5 | 9.0 | 10.7 | 10.8 | 12.3 |
| Ireland | 0.6 | 0.7 | 1.0 | 2.1 | 3.4 | 3.2 | 3.5 | 4.1 | 4.9 | 4.3 | 5.2 | 5.9 | 7.0 | 8.2 | 6.7 | 7.8 | 8.6 |
| Italy | 3.9 | 4.7 | 4.4 | 5.9 | 6.5 | 7.1 | 8.3 | 9.3 | 8.4 | 8.5 | 8.1 | 8.8 | 9.0 | 9.8 | 8.9 | 8.5 | 9.8 |
| Latvia | 5.3 | 6.3 | 6.4 | 6.8 | 6.0 | 7.4 | 6.0 | 4.2 | 4.1 | 5.4 | 8.9 | 4.7 | 4.3 | 5.6 | 5.5 | 6.1 | 8.3 |
| Lithuania | 28.3 | 31.9 | 31.4 | 1.0 | 1.2 | 1.2 | 1.5 | 1.4 | 1.5 | 2.0 | 2.3 | 1.9 | 2.2 | 2.3 | 2.2 | 2.9 | 4.7 |
| Luxembourg | 0.2 | 0.4 | 0.3 | 0.4 | 0.3 | 0.5 | 0.6 | 0.7 | 0.8 | 0.8 | 1.0 | 1.1 | 1.2 | 1.6 | 1.5 | 1.9 | 2.6 |
| Netherlands | 1.4 | 1.5 | 1.6 | 1.7 | 2.1 | 2.0 | 1.8 | 2.4 | 3.1 | 3.0 | 3.2 | 3.5 | 3.8 | 4.8 | 5.3 | 7.3 | 9.1 |
| Portugal | 4.8 | 4.4 | 2.5 | 10.3 | 9.0 | 7.5 | 11.7 | 12.8 | 9.5 | 12.6 | 8.5 | 11.6 | 10.8 | 12.6 | 13.0 | 11.3 | 14.9 |
| Slovakia | 15.5 | 26.5 | 27.0 | 23.3 | 24.6 | 25.8 | 26.2 | 27.6 | 25.8 | 25.3 | 24.5 | 24.1 | 26.2 | 27.4 | 25.5 | 27.3 | 30.4 |
| Slovenia | 25.5 | 24.1 | 24.4 | 25.7 | 26.6 | 25.7 | 26.5 | 33.5 | 28.0 | 28.3 | 28.9 | 28.3 | 28.7 | 33.1 | 29.5 | 28.2 | 32.8 |
| Spain | 18.2 | 15.7 | 13.1 | 19.3 | 18.1 | 19.5 | 21.9 | 22.6 | 20.9 | 21.6 | 19.4 | 19.8 | 21.0 | 24.1 | 22.8 | 22.9 | 25.1 |
| Malta | 0.0 | 0.0 | 0.1 | 0.4 | 0.5 | 0.6 | 0.9 | 1.4 | 2.0 | 2.7 | 2.8 | 3.1 | 3.0 | 3.7 | 3.6 | 3.6 |