Expert Opinion for Acquiring-Prolonging Water Permit for “Višegrad” HPP for Period 2021-2026  MH Power Utility of  RS, ZP “Hidroelektrane na Drini”(HPPs on Drina) Višegrad   In period from December 2021 till February 2022, Zavod has developed “Expert opinion for acquiring – extension of water permit for Višegrad HPP’s operation in period 2021-2026” including additional hydrological analyses (development of the new hydrological time series) for Visegrad HPP’s partition profile, for the ne...