NHPC Limited, together with its subsidiaries, generates and sells electricity in India. The company generates electricity through hydro, wind, and solar power stations. It also owns and operates power stations. In addition, the company offers consultancy services in the areas of operation and maintenance, design and engineering, survey and investigations, geotechnical engineering, construction management, and contract management, procurement, project management, supervision, operation and maintenance of power plants, rural road projects and rural electrification projects. Further, it is involved in construction contract services, as well as trades in power. The company sells electricity to bulk customers that include electricity utilities owned by state governments/private distribution companies. NHPC Limited was incorporated in 1975 and is based in Faridabad, India.