The unit-I of the KNPP, an Indo-Russian joint venture, started commercial generation from December 31, 2014.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/kudankulam-decks-cleared-power-generation-unit-2-knpp
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/koodunkulam-aps
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-power
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/atomic-energy-regulatory-board-aerb
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy