What is "vinjevatn"

Vinjevatn is a lake in the municipality Vinje in Telemark, Norway. The main natural influx comes from the river Smørkleppåi, and the lake drains through the river Vinjeåi which meets the river Tokke at Åmot. Vinjevatn is regulated, and receives water from Totak through the Vinje Hydroelectric Power Station.