Madras Atomic Power Station (MAPS) is located at Kalpakkam, about 80 kilometres south of Chennai, in Tamil Nadu. It has two units each generating 220 MW of electricity. The first and second units of the station went critical in 1983 and 1985 respectively.


Unit Reactor Type Capacity (MWe) Date of Commercial Operation
1 PHWR 220 January 27, 1984
2 PHWR 220 March 21, 1986