<P> In June 2014, Kudankulam - 1 became the single largest power generating unit in India (1000 MWe). </P> <P> Currently, twenty - two nuclear power reactors have a total install capacity of 6,780 MW (3.5% of total installed base). </P> <Table> Operational nuclear power plants in India <Tr> <Th> Power station </Th> <Th> Operator </Th> <Th> State </Th> <Th> Type </Th> <Th> Units </Th> <Th> Total capacity (MW) </Th> </Tr> <Tr> <Td> Kaiga </Td> <Td> NPCIL </Td> <Td> Karnataka </Td> <Td> PHWR </Td> <Td> 220 x 4 </Td> <Td> 880 </Td> </Tr> <Tr> <Td> Kakrapar </Td> <Td> NPCIL </Td> <Td> Gujarat </Td> <Td> PHWR </Td> <Td> 220 x 2 </Td> <Td> 440 </Td> </Tr> <Tr> <Td> Kudankulam </Td> <Td> NPCIL </Td> <Td> Tamil Nadu </Td> <Td> VVER - 1000 </Td> <Td> 1000 x 2 </Td> <Td> 2,000 </Td> </Tr> <Tr> <Td> Madras (Kalpakkam) </Td> <Td> NPCIL </Td> <Td> Tamil Nadu </Td> <Td> PHWR </Td> <Td> 220 x 2 </Td> <Td> 440 </Td> </Tr> <Tr> <Td> Narora </Td> <Td> NPCIL </Td> <Td> Uttar Pradesh </Td> <Td> PHWR </Td> <Td> 220 x 2 </Td> <Td> 440 </Td> </Tr> <Tr> <Td> Rajasthan </Td> <Td> NPCIL </Td> <Td> Rajasthan </Td> <Td> PHWR </Td> <Td> 100 x 1 200 x 1 220 x 4 </Td> <Td> 1,180 </Td> </Tr> <Tr> <Td> Tarapur </Td> <Td> NPCIL </Td> <Td> Maharashtra </Td> <Td> BWR PHWR </Td> <Td> 160 x 2 540 x 2 </Td> <Td> 1,400 </Td> </Tr> <Tr> <Th_colspan="4"> Total </Th> <Th> </Th> <Th> 6,780 </Th> </Tr> </Table> <Tr> <Th> Power station </Th> <Th> Operator </Th> <Th> State </Th> <Th> Type </Th> <Th> Units </Th> <Th> Total capacity (MW) </Th> </Tr>

Which is the biggest nuclear power plant in india