Initially slated at around Rs 780 crore, the costs have now risen to more than Rs 2,500 crore. It has matured. A Pressurised Heavy Water Reactor Kaiga-II, like the other Nuclear Power Plant Reactors, is a Pressurised Heavy Water Reactor designed to produce 220 MW of electricity. Fuel material used is natural uranium. Initial loading required is 58 tonnes of fuel and thereafter during plant operation only 0.120 tonne is needed per day.
Heavy water is used both as a moderator and coolant.
The reactor produces 1200 tonnes per hour of saturated steam at 250oC at a pressure of 40 kg per sq.