At present, Pressurised Heavy Water Reactors (PHWRs) are under construction in the states of Gujarat, Rajasthan, and Haryana. More PHWRs are proposed to be set up in the states of Haryana, Rajasthan, Madhya Pradesh & Karnataka.
PHWRs are expected to contribute a significant portion of electricity to be generated from nuclear sources in the country.
The share of generation of electricity from PHWRs in the last three years is as follows:
(in million units)
| Year | 2013-14 | 2014-15 | 2015-16 |
| Total Generation | 35333 | 37835 | 37456 |
| Generation from PHWRs | 32099 | 31491 |
33909 |