As on February, 2017 There are 21 nuclear power plants which are operational in the country with a total installed capacity of 5780 MW. In addition, the second unit of Kudankulam KKNPP-2 (1000 MW) is connected to the southern grid and is presently generating infirm (non-commercial) power.

There are presently four reactors with a capacity of 2800 MW under construction and the construction of five more reactors capacity of 3900 MW has also commenced. On their progressive completion, the capacity will reach 13480 MW.

Location State Capacity (MW)
Tarapur Maharashtra 1400
Rawatbhata Rajasthan 1180
Narora Uttar Pradesh 440
Kakrapar Gujarat 440
Kaiga Karnataka 880 
Kalpakkam Tamil Nadu 440
Kudankulam Tamil Nadu 2000
Total   6780