| Electricity generated from renewable energy sources, % | | 0 | 0.1 | 0.1 | 0.5 | 0.6 | 0.5 | 1.1 | 1.4 | 1.4 | 2 | 6 | 10.3 | 12.2 | 15.7 | 12.9 | 14 | 15.6 | 15.6 | 17 | 19.7 | 22 | 28.3 |
| Share of renewable energy in primary energy production, % | | 16.1 | 15.1 | 16.2 | 16.3 | 17 | 17.1 | 17.1 | 16.1 | 15.8 | 18 | 22.8 | 19.6 | 19.2 | 22.2 | 20.8 | 22.2 | 26.7 | 28.3 | 26.8 | 29.1 | 37.5 | 42 |
| Share of renewable energy in gross inland consumption, % | | 10.5 | 10.9 | 10.9 | 11.9 | 11.6 | 11.2 | 10.8 | 9.9 | 9.5 | 11.8 | 16.3 | 14.5 | 14.6 | 16.5 | 14.6 | 15.5 | 19.4 | 16.7 | 18.4 | 20.5 | 24.9 | 29.3 |
Share of renewable energy in gross final energy consumption, % | | .. | .. | .. | .. | .. | 18.4 | 17.5 | 16 | 17.1 | 18.8 | 23 | 24.6 | 25.5 | 25.6 | 25.4 | 26.1 | 29 | 29.2 | 29.5 | 30 | 31.7 | 30.1 |
| Production of primary energy per capita, GJ | | 99.5 | 101.4 | 102.7 | 105.6 | 120 | 122.2 | 124.9 | 124.6 | 147.2 | 131.7 | 119.1 | 158.8 | 160.1 | 150.4 | 171.7 | 169.9 | 155.7 | 167.8 | 188.5 | 189.6 | 156.8 | 137.9 |
| Supply of primary energy per capita, GJ | | 150 | 140.5 | 149.5 | 140.1 | 151.5 | 164.8 | 168.3 | 167.8 | 197.2 | 173.1 | 138 | 185.2 | 180.6 | 165.5 | 185.5 | 176.4 | 152.9 | 190.2 | 186 | 178.9 | 149.2 | 140.6 |
| Production electricity per capita, MWh | | 6 | 6.1 | 6.1 | 6.2 | 7.4 | 7.6 | 7.5 | 7.2 | 9.1 | 7.9 | 6.6 | 9.7 | 9.7 | 9 | 10.1 | 9.5 | 7.7 | 9.2 | 10 | 9.4 | 5.7 | 4.5 |
| Import per capita, GJ | | 59.8 | 58 | 60.8 | 57 | 60.7 | 67.7 | 63.3 | 69.2 | 75.5 | 70 | 64.5 | 58.4 | 58.6 | 97.9 | 79.6 | 86.9 | 82.2 | 82.6 | 80.9 | 88.3 | 86.7 | 103.6 |
| Share of CHP in total electricity production, % | | .. | .. | .. | 10.8 | 10.6 | 9.9 | 10.2 | 10.7 | 7.2 | 8.6 | 9.2 | 10.3 | 10.4 | 9.7 | 9.3 | 10 | 11.9 | 10.2 | 11.6 | 12.1 | 19.8 | 27.7 |
| Energy efficiency, euros per kilogramme of oil equivalent | | 0 | 2.2 | 2.2 | 2.5 | 2.5 | 2.5 | 2.7 | 2.9 | 2.7 | 2.9 | 3.1 | 2.4 | 2.7 | 2.9 | 2.6 | 2.9 | 3.4 | 2.9 | 3 | 3.3 | 4.1 | 4.2 |
| Energy dependency, % | | 36 | 34 | 33.7 | 32.1 | 29.8 | 30.1 | 26.9 | 30 | 24.3 | 27.2 | 27.2 | 14.7 | 13.6 | 20.6 | 14.5 | 11.6 | 11.2 | 8.1 | 4.6 | 1.2 | 4.8 | 10.5 |
| Share of renewable energy in fuel consumption of transport, % | | .. | .. | .. | .. | .. | 0.2 | 0.23 | 0.18 | 0.17 | 0.18 | 0.44 | 0.43 | 0.45 | 0.45 | 0.45 | 0.42 | 0.41 | 0.43 | 0.42 | 3.32 | 6.24 | 12.16 |