Longerak power station

Renewable energy from Longerak power station allows Agder Energi to meet the electricity needs of approximately 350 households.

Longerak power station lies in Bygland Municipality. It was built by the central government in 1915 and started supplying the Landeskogen sanatorium with electricity the following year.

The power station lies half way up the valley side on the east side of Lake Byglandsfjorden. The power station makes use of the 300-metre drop from Longeraksvatnet reservoir, which is dammed to an elevation of between 598 and 594 m a.s.l.

Longerak power station supplies Agder Energi with 7 GWh of renewable energy per year, making it our 40th biggest power station.

About Longerak power station

Commissioned: 1916

Tunnel length: 1 195 metres

Drop: 300 metres

Number of generators in operation
at the power station: 3

Agder Energi owns 100% of
Longerak power station.

Longerak power station generates
7 GWh of renewable energy per year