The Karcham Wangtoo Hydroelectric Plant is a 1000MW run-of-the-river hydroelectric power station on the Sutlej River in Kinnaur district of Himachal Pradesh India. The dam and power station are located between the villages of Karcham and Wangtoo where the plant also gains its name. Jaypee Karcham Hydro Corporation Limited of Jaypee Group signed a memorandum of understanding to develop the dam in 1993 and after years of delays construction on the power station began on 18 November 2005.