Nisserdam power station | Agder Energi

Nisserdam power station

This small power station, which is built into the dam itself, makes use of the five metre drop from Lake Nisser to Haukerhyl.

Key numbers


Nisserdam power station is situated in Nissedal Municipality in Telemark. The municipality has a population of 1,451, and covers an area of 905 km², approximately 13% of which is water. Nisserdam is one of five power stations in the municipality.

The power station is located inside the dam that regulates the level of Lake Nisser.

Nisser is the second biggest lake in Telemark, and is drained by the Nisserelva, which later merges with the Fyreselv to form Nidelva. The lake and rivers all lie within the Arendal drainage basin.

Tunnel length 0m
Vertical drop 5m
Operating since 1985
Aggregates Aggregates
Number Aggregates in operation at the station:2
Agder Engergi owns 100% of power plant
Every second runs the 0m³ water through the plant. Enough to fill 0 ten-liter buckets of water every hundredth of a second.

Power producting:

Nisserdam power station supplies 12 GWh to Agder Energi per year, equivalent to 0.15% of the 8200 GWh generated by the group in an average year.
This makes Nisserdam power station the 38th biggest power station in the Agder Energi group.
1000 husstander
Agder Energi’s share of generation covers the annual consumption of approximately 600 households.

Wikipedia, Agder Energi’s own data.