The reconstruction of the existing HPP Una Kostela refers to the reconstruction of the supply system of HPP Una Kostela (inlet structures, tunnels, water chamber, overflow and rapid flow on the water chamber). HPP Una Kostela expansion is a plant designed to use the same available profile drop on the profile of the existing HPP Una Kostela. As part of the project, the preliminary design of all phases for the reconstruction and expansion of HPP Una Kostela (geology, geodesy, hydrology, energy analysis, architecture, construction part, mechanical part, electrical part, metering control part, roads, environmental protection, as well as economic and financial analysis)
