POWERGRID or the Power Grid Corporation of India Ltd. is a publicly traded company that is a government of India enterprise. It is a ‘navaratna’ enterprise involved in electrical power transmission all over India. It is a listed company since 2007. POWERGRID is responsible for the transmission of about half of the entire power generated in the country. Its businesses include power transmission and distribution and energy trading. Its subsidiary company POSOCO (Power System Operation Corporation Ltd.) engages in power management. It also has a telecom business named POWERTEL. POWERGRID was founded in 1989 and is headquartered in Gurgaon, Haryana.