The Koyna Hydroelectric Project is the largest hydroelectric power plant in India, just after Tehri Dam Project. It is a complex project with four dams including the largest dam on the Koyna River, Maharashtra hence the name Koyna Hydroelectric Project. The project site is in Satara district. The Koyana Dam situated near Koyananagar village. On river Koyana. The project takes advantage of the height of Western Ghats. Thus a very large hydraulic head is available over a very short distance.