Kraftwerke Oberhasli AG (KWO) will equip the new Grimsel 4 pumped storage power plant in Switzerland with two variable-speed pump turbines, each rated at 70 MW, including associated motor generators, according to the technology supplier Voith.
The two variable-speed units will increase pumping and generation capacity at the Grimsel site. Each turbine has a capacity of 70 MW. The project represents the first major new-build contract awarded by KWO for the Grimsel 4 facility.
Voith provided a technical concept based on a tested and qualified hydraulic design.
The pumped storage plant will provide flexible storage and grid-stabilization services to support the integration of renewable energy. The units will operate with associated motor generators.
No specific start-up year or total order value has been disclosed.
Kraftwerke Oberhasli AG (KWO) is one of Switzerland’s leading hydropower companies.
The Voith Group is a global technology company.
