<Tr> <Th> Capacity factor </Th> <Td> 39.4% </Td> </Tr> <Tr> <Th> Annual net output </Th> <Td> 4,829 GW h </Td> </Tr> <P> Tarapur Atomic Power Station (T.A.P.S.) is located in Tarapur, Palghar, India . It was the first commercial nuclear power station built in India . It is the world's oldest nuclear power plant in commercial operation . </P> <P> Tarapur Atomic Power Station was constructed initially with two boiling water reactor (BWR) units under the 1963 123 Agreement between India, the United States, and the International Atomic Energy Agency (IAEA). It was built for the Department of Atomic Energy by GE and Bechtel . Units 1 and 2 were brought online for commercial operation on 28 October 1969 with an initial power of 210 MW of electricity . Later on this was reduced to 160 MW due to technical difficulties . These were the first of their kind in Asia . </P>

First atomic power station in india was started at