The national energy mix below is the final result for the year 2021 from data available up to 31st May 2022.
| Residual Mix | 2021 |
| RE Total | 13,44 % |
| RE unspecified | 0,38 % |
| RE biomass | 3,81 % |
| RE solar | 2,61 % |
| RE geothermal | 0,00 % |
| RE wind | 0,04 % |
| RE hydro | 6,60 % |
| Nuclear | 58,77 % |
| FO Total | 27,79 % |
| FO unspecified | 4,88 % |
| FO hard coal | 1,26 % |
| FO lignite | 3,10 % |
| FO oil | 1,29 % |
| FO gas | 17,26 % |
| Supplier Mix | 2021 |
| Volume (TWh) | 28,03 |
| RE unspecified | 0,31 % |
| RE biomass | 4,80 % |
| RE solar | 3,29 % |
| RE geothermal | 0,00 % |
| RE wind | 0,53 % |
| RE hydro | 20,67 % |
| Nuclear | 47,80 % |
| FO unspecified | 3,97 % |
| FO hard coal | 1,02 % |
| FO lignite | 2,52 % |
| FO oil | 1,05 % |
| FO gas | 14,04 % |
| Production Mix | 2021 |
| Volume (TWh) | 27,73 |
| RE unspecified | 0,34 % |
| RE biomass | 4,27 % |
| RE solar | 2,21 % |
| RE geothermal | 0,00 % |
| RE wind | 0,02 % |
| RE hydro | 15,40 % |
| Nuclear | 52,88 % |
| FO unspecified | 4,40 % |
| FO hard coal | 1,13 % |
| FO lignite | 2,79 % |
| FO oil | 1,16 % |
| FO gas | 15,40 % |
The energy mix also includes data on harmful substances (CO2 and radioactive waste),
that arise in the production of electricity from the energy mix.
| 2021 | Residual Mix | Supplier Mix | Production Mix |
| CO2 (gCO2/kWh) | 184,62 | 150,16 | 165,49 |
| Radioactive waste (mg/kWh) | 2,06 | 1,67 | 1,85 |