Nuclear Power Corporation of India Limited (NPCIL) installs reactor pressure vessel at Kudankulam Nuclear Power Project (KKNPP) Unit-5

Exam-focused facts from the 21 June 2026 current affairs briefing.

Key facts

The Nuclear Power Corporation of India Limited (NPCIL) completed the installation of the reactor pressure vessel (RPV) at Unit-5 of the Kudankulam Nuclear Power Project (KKNPP) in Tamil Nadu on June 15.
The installation was supported by Russia's nuclear energy corporation Rosatom, with the RPV manufactured at the Atommash plant of Rosatom's Machine-Building Division in Volgodonsk.
The RPV weighs approximately 320 tonnes and houses the reactor core where nuclear fission occurs.
The installation utilised the open-top method, involving a heavy-duty crane to place equipment into the reactor building before the dome is erected.
Units 3, 4, 5, and 6 are equipped with WWER-1000 reactors, and the plant will have a total installed capacity of 6,000 MWe once all six reactors are operational.