CountryNuclear power in India
India has 22 reactors operating with 7,640 MW net installed capacity, 2.6 % of its electricity. 2 more units have their operation suspended. 8 under construction. 1 shut down. First reactor connected in 1969.
India ranks 9th among the 32 countries with operating reactors by net capacity, and 6th by number of reactors. Its first reactors started operating in 1969, 57 years ago. Its operating fleet comprises 18 PHWR, 2 PWR and 2 BWR. The highest-capacity plant in operation is Kudankulam, with 1,864 MW net, and the oldest unit still in service is Tarapur 1, operating since 1969. There are 8 units under construction at Kaiga, Kudankulam, Madras and Rajasthan.
PHWR reactors in India · PWR reactors in India · FBR reactors in India · BWR reactors in India · Rankings
Electricity generation mix
Share of electricity generation, 2025 (closest earlier year; 2026 has no data) · Ember
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Plants
| Plant | Units | Types | Status today | MWe operating |
|---|---|---|---|---|
| Kudankulam | 6 | PWR | 2 operating4 under construction | 1,864 |
| Kakrapar | 4 | PHWR | 4 operating | 1,664 |
| Rajasthan | 8 | PHWR | 6 operatingunder constructionshut down | 1,625 |
| Tarapur | 4 | BWR, PHWR | 4 operating | 1,272 |
| Kaiga | 6 | PHWR | 3 operatingoffline for life extension2 under construction | 808 |
| Madras | 3 | PHWR, FBR | operatingoffline for refurbishmentunder construction | 410 |
| Narora | 2 | PHWR | 2 operating | 404 |
| Chutka | 2 | PHWR | 2 planned | — |
| Gorakhpur Haryana | 4 | PHWR | 4 planned | — |
| Mahi Banswara | 4 | PHWR | 4 planned | — |
Data: IAEA PRIS · Global Energy Monitor · Wikipedia · editorial review · updated on Sep 21, 2026