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 | 34,58 | 3,07 % |
| 2021 | 33,55 | 0,00 % |
| 2020 | 33,55 | -0,11 % |
| 2019 | 33,59 | 22,85 % |
| 2018 | 27,34 | -2,10 % |
| 2017 | 27,93 | -13,23 % |
| 2016 | 32,18 | -7,07 % |
| 2015 | 34,63 | 6,65 % |
| 2014 | 32,47 | 1,89 % |
| 2013 | 31,87 | 6,75 % |
| 2012 | 29,86 | 4,70 % |
| 2011 | 28,52 |