Reliance Power Limited, together with its subsidiaries, engages in the development, construction, and operation of power projects in India and internationally. Its portfolio of power projects is based on coal, gas, hydro, wind, and solar energy. The company owns and operates Sasan ultra mega power project, a coal-based power plant with a capacity of 3,960 megawatts; Rosa coal-based power project, with a capacity of 1,200; Butibori power project, a coal-based thermal plant with a capacity of 600 megawatts; Dhursar solar photovoltaic power project with a capacity of 40 megawatts; a concentrated solar power project with a capacity of 100 megawatts; and Ultra Mega power project, a coal-based power plant with a capacity of 3,960 megawatts. It also engages in the development of coal mines in India, including The Moher and Moher Amlohri Extension coal block, as well as the operation of a coal mine concessions in Indonesia. Reliance Power Limited was incorporated in 1995 and is based in Mumbai, India.