The amount of gross generation less the electrical energy consumed at the generating station(s) for station service or auxiliaries. Electricity required for pumping at pumped-storage plants is regarded as electricity for station service and is deducted from gross generation.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2022 | 19,86 | 2,46 % |
| 2021 | 19,39 | 2,64 % |
| 2020 | 18,89 | -2,41 % |
| 2019 | 19,36 | -1,72 % |
| 2018 | 19,70 | 3,27 % |
| 2017 | 19,07 | 4,96 % |
| 2016 | 18,17 | -2,08 % |
| 2015 | 18,56 | 4,24 % |
| 2014 | 17,80 | -1,09 % |
| 2013 | 18,00 | 4,07 % |
| 2012 | 17,30 | 2,64 % |
| 2011 | 16,85 |