The Mühleberg Nuclear Power Plant is a formerly operational nuclear power plant in the Mühleberg municipality in the canton of Bern, Switzerland. Operated by BKW FMB Energie AG, the plant generated power from 6 November 1972 until 20 December 2019. Nuclear decommissioning of the plant began January 2020 and is currently forecasted to be completed by 2034.

Mühleberg is a municipality in the Bern-Mittelland administrative district in the canton of Bern in Switzerland.