HES Treska is consisted of two dams and hydropower plants, HPP Kozjak and HPP Sveta Petka. HPP Kozjak – the dam and hydro plant are located on Treska River, some 25 km upstream from its inflow into the Vardar River and 16 km downstream from HPP Matka in the vicinity of Skopje, and they represent the first level in the cascade of dams and hydro … Continue reading HES TRESKA