Gösgen run-of-river power plant
Hydropower

Gösgen run-of-river power plant

The Gösgen power plants is one of the most productive and largest run-of-river power stations on the River Aare. Built in 1917, it was completely rebuilt between 1997 and 2000 and now generates twelve percent more electricity with the same flow of water. The power plant’s facilities also include a 4.8 kilometre canal.

Facts & figures

Plant type:

Large run-of-river plant

Location:

Niedergösgen, Switzerland

Number of turbines:

5 Kaplan turbines (one of which supplies 16.7 Hz traction power for the SBB Swiss Federal Railways)

Capacity:

50.8 MW

Shareholding:

100%

Commissioning:

 1917 / 2000

Average annual production:

300 GWh

Guided tours:

No

Status:

In service

Modernisation of the Winznau weir

The Winznau weir on the Aare river near Olten, Switzerland, requires refurbishment in order to comply with guidelines and regulations relating to discharge capacity and seismic safety. Between 2025 and 2031, Alpiq Hydro Aare AG will implement the renovation.

Find out more