Hekni
![](https://www.skagerakkraft.no/getfile.php/137264-1516978927/Kraft/Vassdrag%20og%20Kraftverk%20i%20vassdrag/Otravassdraget/Hekni/Galleri/DSC_0864.JPG%20%28content%29.jpg)
Production
239 GWh
Effect
56 MW
In Operation
1995
Drop Height
38.5 m
Municipality
Bygland
The Hekni run-of-the-river power plant is located just below the town of Rysstad in Bygland municipality, Aust-Agder county.
This power plant receives its water from the Otra watercourse and utilises a 38.5-metre waterfall from a dam at Tjurmo. The total output is 56 MW. The power plant has two Kaplan turbines and was commissioned in 1995.
Owners: Skagerak Kraft AS 33.33%, Agder Energi AS 66.67%.