The Lay Hydroelectric Plant is a facility of Alabama Power Company, located on the Coosa River near the city of Clanton, Alabama. The plant contains six (6) hydro-generating units. Each unit has a nameplate rating of 30,155 KW. The original Lay Dam project began in 1910, with units in service in 1914. Lay Dam was redeveloped in the 1960s, as a part of the overall Coosa River project. The redevelopment project involved major modifications to the existing structures