Second unit of Kudankulam nuclear plant starts fission

CHENNAI: The second unit of Kudankulam atomic power project in Tamil Nadu went critical or started nuclear fission on Sunday at 8:56 pm, said officials of Nuclear Power Corporation of India Ltd (NPCIL).

“Criticality achieved at 8:56 pm,” H N Sahu, Station Director of first and second units, told IANS on Sunday.

Sahu on Saturday told IANS that the unit was expected to attain criticality between 6 pm and 10 pm on Sunday.
This is the second 1,000 MW pressurised water reactor to go critical in the country. The first unit at Kudankulam went critical in July 2013.

The unit will start commercial generation in four to six months time. Prior to that tests have to be conducted and then the unit will be connected to the Southern power grid.

The approach towards criticality started on Friday with the gradual removal of the control rods.

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