The National Grid is the high-voltage electricity transmission network in India, connecting power stations and major substations and ensuring that electricity generated anywhere in India can be used to satisfy demand elsewhere.[1] The National Grid is owned, and maintained by state-owned Power Grid Corporation of India and operated by state-owned Power System Operation Corporation. It is one of the largest operational synchronous grids in the world with 417.68 GW of installed power generation capacity as of 31 May 2023. [2]
India's grid is connected as a wide area synchronous grid nominally running at 50 Hz. The permissible range of the frequency band is 49.5-50.5 Hz, effective 17 September 2012. The Union Government regulates grid frequency by requiring States to pay more when they draw power at low frequencies.[3] There are also synchronous interconnections to Bhutan, and asynchronous links with Bangladesh, Myanmar, and Nepal.[4] An undersea interconnection to Sri Lanka (India–Sri Lanka HVDC Interconnection) has also been proposed. A proposed interconnection between Myanmar and Thailand would facilitate the creation of a power pool and enable trading among all BIMSTEC nations.[5]
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