The Koyna Hydroelectric Project is a major hydroelectric power station located in the Koyna River valley of Maharashtra, India. It has a total installed capacity of 1,960 megawatts, making it one of the largest hydroelectric projects in the country. The project consists of four powerhouses, with the first unit commissioned in 1960. The project utilizes the water from the Koyna Dam, which creates a large reservoir. This reservoir not only generates electricity but also helps in irrigation and flood control in the region. The Koyna Hydroelectric Project plays a crucial role in meeting the energy demands of Maharashtra.