Logna power station is a hydroelectric facility on the River Logna, which joins the Mandalselva north of Åkersnes in Åseral Municipality.
Logna power station is situated in Åseral Municipality in Vest-Agder. The municipality has a population of 923, and covers an area of 887 km², approximately 10% of which is water. Logna is one of four power stations in the municipality.
The power station, which lies on the River Logna, makes use of the 154-metre drop from Juvatn to Svartevatn. Juvatn is dammed to an elevation of between 513 and 489 m a.s.l.
The Logna is the longest tributary of the Mandalselva.
Wikipedia, Agder Energi’s own data.