Abstract: | Conclusions 1. | The 40-year experience of operating the Volga hydrostation indicates that as experience was gained in operating the equipment and it was modernized and improved, the design hydropower indices composing the basis of the high cost effectiveness of the station gradually increased and at the current stage of operation exceeded their design values. | 2. | The Volga hydrostation is successfully fulfilling the function of the central, main base of the Russian power grid. | 3. | The design data of the hydropower indices were confirmed by the actual operating results, which indicates correctness of the method of calculating the main parameters of large hydropower plants. | Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 3, pp. 29–32, March, 1997. |