Click on the link below to go to the website describing the powerplant constructed below Gubsensee to generate electricty starting in 1900.
The text is in German but there are photos of the facility.
https://docs.google.com/viewer?a=v&q=cache:3WYPx7kGq0sJ:www.sak.ch/Portaldata/1/Resources/01_SAK_Internet/de/22_P/01_Kraftwerke/Kraftwerkbroschuere_Kubel.pdf+&hl=en&gl=us&pid=bl&srcid=ADGEEShNiMtTjsGH0V2TNkqPF8mKHsSErLSoJ2GVcntxfEHQu2b4zC2UBxeTam2emiyK6qPPsOV6YthEdet5eeJAsKcl1aHat7QdGeeXXRVkq00wC6zrcuUb06Bas6kubU4Fp2YkIAF-&sig=AHIEtbSUVadOQcYVpiF0Q4szjYHusKWxsQ