Waldeck Pumped Storage Station, Pumped-storage power station in Edertal, Germany

Waldeck Pumped Storage Station is a pumped-storage power station in Edertal, Germany. It consists of two plants, Waldeck I and Waldeck II, which share a common lower reservoir, the Affolderner See, and each has its own upper reservoir in the hills above.

Waldeck I was commissioned in 1931, and Waldeck II followed in 1974. The station was long operated by Preußische Elektrizitäts AG and later by E.ON, before passing to Uniper in 2015.

The upper reservoirs are visible from the surrounding trails and are used by locals for walks. The funicular, the Peterskopfbahn, offers a way to reach the higher reservoir and is a local attraction.

The area around the station is open to visitors, but the power plants themselves are not. The Peterskopfbahn funicular, which runs between the upper reservoir and the power house of Waldeck I, is open to the public between Easter and October.

The upper reservoir of Waldeck II sits on a hilltop that was partly removed to create it. The station's machines can generate up to 600 MW of electricity when demand is high.