The second unit of the Kudankulam Nuclear Power plant started commercial generation of power on Friday.
The second unit attained its full power generation capacity of 1000 Mega watt in January.
The second unit attained criticality in July last year and was synchronized with southern grid in August.
Tamil Nadu receives 562 megawatt of power Telangana 50 MW, Karnataka 221 MW and Kerala 133 MW Puduchery 33 MW from the first unit.
Tamil Nadu is expected to get 562 MW from second unit also.
Nuclear power generation has gone up to 6,780 MW in the country with power generation in the second unit.
The 1000 MW nuclear power plant is built with Russian expertise.