It is built of 3.6 million cubic meters (130×10^6 cu ft) of stone and moraine deposits.

[1][2] The dam holds back Lake Sysen, which is the main reservoir for the Sy-Sima Hydroelectric Power Station.

The average annual production of the power station is 1,115 GWh.

[1][2] The water supply to Vøring Falls is regulated by the dam, and there is a requirement for minimum water supply during the summer season.

The dam is a tourist attraction,[4][5] and it can be accessed from Norwegian National Road 7.