Built in 1936, as part of the Galloway hydro-electric power scheme
Link , Earlstoun is one of a network of dams and hydro-electric power generating stations which draw water from the Rivers Ken, Dee and Doon through reservoirs at Loch Doon, Kendoon, Carsfad, Clatteringshaws, and Tongland. The unusual modernist stations were designed by Scottish civil engineer, Sir Alexander Gibb.
Earlstoun Power Station is a Category B listed building (LB9725
Link Historic Scotland).