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Frøland
Much rain, a steep drop and nearness to Bergen meant that the power-making potential of the Samnanger water system was exploited early. Samnanger was thus one of the first power-producing municipalities in western Norway. With its subsequent expansion and new power stations, about 400 gigawatts of electricity per hour were produced on average each year. This is enough to meet the energy needs of 25,000 households.
Borgåsen
In Etne there are no less than four defensive refuges. They are all situated in strategic positions, so that they have served as places of refuge and protection for central parts of the district
Gåssand
The 28th November 1914 was a day to remember for the Os inhabitants. This was the day they could turn the switch on the wall and have electric light in their houses. It was like opening the door on the future when the power station at Gåssand was put into operation.