Grimsel 3 PSPP
Head of consortium for design and tendering of a new PSPP in Switzerland

Description of project:
In the framework of the extension program of the Kraftwerk Oberhasli AG (KWO Plus), KWO has planned a new underground pumped storage plant (Grimsel 3) between the two existing reservoirs Oberaar and Räterichsboden. The installed capacity is 600 MW, with a design flow of 130 m³/s and a head net of 550 m.
ÅF's services:
AFC led a consortium responsible for project management; hydraulic design (transients, waterways, intakes, etc.); plant layout (caverns, access tunnels, line management, hydraulic structures, etc.); electrical and mechanical engineering for feasibility studies, tender design and tender preparation.