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Gösgen nuclear power plant

A pressurised water reactor in the Gösgen nuclear power plant releases energy, which heats and evaporates a separate water circuit, generating the steam that rotates the turbines. The power plant covers around 15 percent of Switzerland’s electricity needs. The electricity production of the plant contributes a large part to the reliability of supply in Switzerland. The operator is Kernkraftwerk Gösgen-Däniken AG.

Facts & Figures

Plant Type:

Nuclear power plant


Däniken, Switzerland

Number of turbines:

Four-casing single-shaft condensing turbine (one high pressure, three low pressure)

Gross capacity:

1,060 MW


40 %



Average annual production:

8,000 GWh

Guided tours:



In service