| 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 | .. |
| Share of renewable energy in primary energy production, % | | 17.1 | 15.6 | 17 | 16.2 | 16.5 | 17.7 | 17.2 | 16.4 | 16.4 | 17.2 | 20.2 | 19.5 | 18.6 | 20.7 | 22.1 | 21.5 | 24.1 | 32.8 | 26.5 | 30.7 | 38.7 | 42.2 |
| Share of renewable energy in gross inland consumption, % | | 10.8 | 10.9 | 10.9 | 11.3 | 10.7 | 10.8 | 10.7 | 9.7 | 10 | 11 | 13.7 | 14.2 | 13.5 | 14.8 | 15.3 | 14.5 | 16.7 | 17 | 14.5 | 18.3 | 25.4 | 29 |
Share of renewable energy in gross final energy consumption, % | | .. | .. | .. | .. | .. | 18.4 | 17.4 | 16 | 17 | 18.6 | 22.9 | 24.6 | 25.3 | 25.5 | 25.3 | 26.1 | 28.2 | 28.7 | 29.1 | 30 | 31.9 | .. |
| Production of primary energy per capita, GJ | | 90.6 | 96.7 | 96.8 | 103.2 | 120 | 114.2 | 118.9 | 114.9 | 134.8 | 130.8 | 129 | 153 | 155.8 | 164.7 | 176.2 | 185.8 | 178.3 | 151.7 | 196 | 184.4 | 155.1 | 138.5 |
| Supply of primary energy per capita, GJ | | 143.4 | 139.4 | 147.1 | 142.7 | 157.5 | 162.3 | 159.4 | 155 | 173.1 | 167.1 | 149 | 174 | 173.3 | 178.8 | 187.8 | 190.2 | 172.1 | 179.2 | 191.2 | 174.3 | 150.9 | 138.5 |
| Production electricity per capita, MWh | | 6 | 6.2 | 6.2 | 6.2 | 7.4 | 7.5 | 7.4 | 7.1 | 8.9 | 7.7 | 6.5 | 9.7 | 9.6 | 9.2 | 10.1 | 9.5 | 7.9 | 9.3 | 10 | 9.3 | 5.7 | 4.6 |
| Import per capita, GJ | | 56.4 | 53.9 | 58.1 | 54 | 57.5 | 64.3 | 59 | 63.4 | 70.9 | 62.9 | 61.3 | 55.7 | 55.7 | 113.7 | 76.7 | 83.9 | 79.6 | 80.7 | 78 | 85.4 | 87.1 | 103.8 |
| 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 | | 1.9 | 2.2 | 2.3 | 2.5 | 2.4 | 2.5 | 2.8 | 3.1 | 3 | 2.9 | 2.8 | 2.5 | 2.7 | 2.8 | 2.5 | 2.8 | 3.1 | 2.9 | 3.1 | 3.1 | 4.17 | .. |
| Energy dependency, % | | 36 | 33.8 | 34 | 31.5 | 28.4 | 30.4 | 28.2 | 32 | 27.1 | 27.5 | 24.9 | 15.5 | 13.9 | 20 | 14 | 11.1 | 9.8 | 8 | 3.9 | 0.7 | 4.8 | .. |
| Share of renewable energy in fuel consumption of transport, % | | .. | .. | .. | .. | .. | 0.18 | 0.21 | 0.17 | 0.15 | 0.17 | 0.44 | 0.43 | 0.45 | 0.45 | 0.45 | 0.42 | 0.41 | 0.43 | 0.42 | 3.3 | 5.15 | .. |