The Walchensee Power Plant (German: Walchenseekraftwerk) is a hydroelectric power station in Bavaria Germany. It is a storage power station that is fed water from the Walchensee Lake which is then released into the Kochelsee Lake.

The original installed output was 124 MW. The power plant is located south of Kochelsee, about 14 kilometres (8.7 mi) from the village of Walchensee, and generated 300 MW as of 2010. It is one of the largest of its kind in Germany