The reservoir capacity is 40 million cubic metres, and there is a 2.3 km long water transfer tunnel from the upper reservoir Nespervatn
The power station lies on the east side of the River Otra, approximately 24 km north of Kristiansand. It makes use of the 20.4-metre drop from Nomelandsdammen
Renewable energy from Nisserdam power station allows Agder Energi to meet the electricity needs of approximately 600 households
The power station lies half way up the valley side on the east side of Lake Byglandsfjorden
The power station, which lies on the River Logna, the longest tributary of the River Mandal, makes use of the 154-metre drop from Juvatn to Svartevatn
The power station itself is located at Håtveitåna just by Highway 42 whilst the water intake is at the bottom of Vikstølsvannet
The power station lies along the middle section of the River Mandalsåni in the Mandal drainage basin
From the intake at Stampetjønna, water flows to the power station through a pipeline with some sections above ground and others underground
From the intake at Stampetjønna, it makes use of a 278-metre drop
It makes use of the 173.5-metre drop from the upper reservoir Kulivatn to Furevatnet