sur in english
Alstom, which involved removing and replacing the central body of the rotors (the cylindrical metal supports) where the polar masses rested. To do that, they had to remove the four alternators. Endesa invested five million euros in this recent project. Ten ... years ago another 15 million euros were spent to repair the stator coil, the stationary part of the alternators. After this upgrade, it is predicted that the hydro power station is ready to operate for at least another 35 years.