Hydroelectric Plants in Switzerland - other cantons

Frinvillier
Location: Bern
Operator: Hydroelectra SA
Configuration: 1 X 33 kW Kaplan
Operation: 2003
T/G supplier: Kossler, Hitzinger
EPC: Hydro-Solar Energie AG, Stettler AG
Quick facts: From 1765 until 1869, Frinvillier provided energy to drive saws and mills. In that year, Heinrich Gruner built his first hydroelectric plant at the site. The concession was formalized in 1910 and extended in 1961 for 50 years. The main installations for the current plant were built between 1910 and 1924. In Apr 2004, Bern Canton awarded Hydroelectra a 40yr concession for power generation.

Photograph courtesy of Hydroelectra SA
Posted 28 Dec 2007

Hugschwendi
Location: Oberwalden
Operator: EWO - Elektrizitatswerk Obwalden
Configuration: 2 X 7-MW Pelton
Operation: 1957
T/G supplier: ??
Quick facts: This HPP is in Melchtal. Annual production is about 35 GWh.

Photograph courtesy of EWO - Elektrizitatswerk Obwalden
Posted 1 Aug 2015

Innertkirchen I
Location: Bern
Operator: Kraftwerke Oberhasli AG
Configuration: 5 X 41 MW Pelton
Operation: 1940-1942
T/G supplier: Sulzer Escher Wyss
Quick facts: This was one of Switzerland's key power projects during the Second World War. The plant was extensively refurbished from 2002-2007 at a cost of SF95mn.

Photograph courtesy of Kraftwerke Oberhasli AG
Posted 1 Oct 2008

Innertkirchen II
Location: Bern
Operator: Kraftwerke Oberhasli AG
Configuration: 2 X 26 MW Francis
Operation: 1968
T/G supplier: BBC
Quick facts: This is the last plant in the Susten/Gadmental cascade.

Photograph by R Boesch and courtesy of Kraftwerke Oberhasli AG
Posted 1 Oct 2008

Schwanden Blumer
Location: Glaris
Operator: Hydroelectra SA
Configuration: 1 X 85 kW Kaplan
Operation: 1999
T/G supplier: VA TECH

Photograph courtesy of Hydroelectra SA
Posted 28 Dec 2007

Unteraa Rebuild
Location: Oberwalden
Operator: EWO - Elektrizitatswerk Obwalden
Configuration: 2 X 24-MW, 1 X 12-MW, 1 X 6.5-MW Francis
Operation: 1994-2012
T/G supplier: VA TECH, Andritz
Quick facts: The original plant at Unteraa in Giswil dated to 1921. The three larger machines provide grid power and the 6.5-MW set supplies the rail system. Annual production is about 113 GWh.

Photograph courtesy of EWO - Elektrizitatswerk Obwalden
Posted 1 Aug 2015

 
Verbois
Location: Genève
Operator: Services Industriels de Genève
Configuration: 4 X 25 MW Kaplan
Operation: 1943
T/G supplier: Vevey
Quick facts: Dam construction started in 1938: it is 34m high and 340m long.

Photograph courtesy of Services Industriels de Genève
Posted 16 Nov 2005

Wynau/Schwarzhäusern
Location: Bern
Operator: onyx Energie Mittelland
Configuration: 1 X 12 MW pit
Operation: 1996
T/G supplier: Sulzer
Quick facts: This site on the Aare River was first developed by Siemens starting in 1894. The current equipment replaces 4 Kaplan turbines installed in 1923.

Photograph courtesy of onyx Energie Mittelland
Posted 30 Jul 2006

Abbreviations

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 01-Aug-2015

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