Hakavik Power Station is a hydroelectric power plant in Øvre Eiker, Norway with a power of 7 MW inaugurated in 1922. It generates only single phase AC for railway purpose and is the startpoint of a 55 kV- single phase AC powerline for traction current to Sande and an other to Sundhaugen Switching Station, where a 55 kV-line to Asker and an other one to Neslandsvatn over Nordagutu and Skollenberg departs.