Power Grid Corporation of India (PGCIL) is an Indian state-owned electric utilities company headquartered in Gurugram, India. PGCIL commenced operations in 1992 by consolidating transmission assets of National Thermal Power Corporation Limited (NTPC), National Hydroelectric Power Corporation (NHPC), North Eastern Electric Power Corporation Limited (NEEPCO), and Nuclear Power Corporation of India Limited (NPCIL), Tehri Hydro Development Corporation and Neyveli Lignite. POWERGRID is a listed company, with 57.90 per cent holding by Government of India and the balance by institutional investors and public.