Holen power station supplies Agder Energi with 677 GWh per year, making it our 3rd biggest power station

Uleberg makes use of a 180-metre drop in the River Skjerka. The Skjerka empties into Lake Øre in Åseral, and after the lake the river is known as the Mandalselva

The power station makes use of the 132-metre drop from Aklandstjønn