The  lake has a dam on the southern end to control the water for hydroelectric power. The lake flows out into the Follaelva river which flows into the Trondheimsfjord at the village of Follafoss.
The lake contains a dam in its southern region to control water flow for energy generation. The lake's water exits through the Follaelva river and ultimately reaches the Trondheimsfjord near Follafoss.