Territorial, scientific and historical museum that traces the history of the hydroelectric power plant from its conception through to its inauguration in 1914, with a reflection on the social, economic and infrastructural changes that it engendered. The museum is part of the Sistema Territorial del Museu Nacional de la Ciència i de la Tècnica de Catalunya (Territorial System of the National Science and Technology Museum of Catalonia).
Visits to the Mines de Castell can also be booked through this museum.