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. Both conventional and combined hydroelectric plants. Conventional hydroelectric plant is a plant in which all of the power is produced from natural streamflow as regulated by available storage. Combined hydroelectric plant is a hydroelectric plant that uses both pumped water and natural streamflow for the production of power.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2022 | 25,90 | 1,27 % |
| 2021 | 25,57 | 5,10 % |
| 2020 | 24,33 | -1,34 % |
| 2019 | 24,66 | 20,48 % |
| 2018 | 20,47 | 2,94 % |
| 2017 | 19,89 | 26,87 % |
| 2016 | 15,68 | 20,90 % |
| 2015 | 12,97 | 14,30 % |
| 2014 | 11,34 | 3,79 % |
| 2013 | 10,93 | -9,80 % |
| 2012 | 12,12 | 9,93 % |
| 2011 | 11,02 |