Litostroj Power from group ENERGO-PRO will manufacture four impellers for Austrian pumped storage hydro power plant Rosshag. The contract also includes the development of a hydraulic design and model tests at the hydraulic laboratory. Litostroj Power has secured its 8th contract from Austrian power company Verbund Hydro Power. The hydraulic design of the impellers for Rosshag and the tests at the laboratory in Blansko will be taken care of by Litostroj Engineering as a sub-supplier. Production in Ljubljana and the final delivery of the turbine will be directed by Litostroj Power.