Roskrepp power plant is located inside a mountain at Heiestøl in Sirdal Municipality in Vest-Agder County, at the top of the Kvinavassdraget watercourse between Suleskard and Brokke in Setesdal.

Ownership: Statkraft is an indirect co-owner through its ownership in Skagerak Energi, Agder Energi and Sira-Kvina kraftselskap
Production: 105 GWh
Power: 50 MW

The power plant was commissioned in 1980 and uses a height of fall of 83 metres from Lake Rosskreppfjord to Lake Øyarvatn. From the intake at the dam in Lake Rosskreppfjord, water is transferred through a 3 500-metre-long head race tunnel down to a pressure shaft that ends in the power plant.

The power plant has a generating unit with a Francis turbine and with its 50 MW installed capacity it is the smallest plant owned by Sira-Kvina kraftselskap.

The water discharged from this plant is used in Kvinen power plant downstream in the same watercourse. Both plants produce power mainly in the winter.

Through its ownership in Skagerak Energi AS, Agder Energi AS and Sira-Kvina kraftselskap, Statkraft is co-owner of this power plant. Sira-Kvina kraftselskap is responsible for daily operations, and manages the licences and obligations in terms of river management and regulating of the watercourse.