If I'm not mistaken, here's the bench - https://www.google.com/maps/@58.2749468,12.270221,3a,60y,141... .
While it's right by the Olidan Hydroelectric Power Station, the photographer used a telephoto lens so Rosa Mannen is in the foreground and the upstream Hojum Hydroelectric Power Station is in the background. Here's a closer shot of Hojum:
https://www.google.com/maps/@58.2789593,12.2774802,3a,75y,21...