On 27 November 2010 the Kaiga Generating Station unit 4 of 220 MW capacity became operational. On 19 January 2011, unit 4 with 220 MW capacity was connected to the southern power grid at 01:56 hours. With this, the total capacity rose to 880 MW gross making it the third largest in India after
Tarapur (1400 MW) and
Rawatbhata (1180 MW). The unit, fueled by indigenous uranium, will supply electricity to
Karnataka,
Andhra Pradesh,
Kerala,
Tamil Nadu and
Puducherry. In December 2018, it got the distinction of setting a world record of continuous operation among all nuclear power plants. As on 10 December 2018, KGS-1, which was synchronized to India's Southern grid on 13 May 2016, continues to operate for a record number of 962 days. Previous record of continuous operation was held by
Unit 8 of Heysham II, which operated from 18 February 2014 to 15 September 2016 for a record number of 940 days. Two
IPHWR units, each with a 700 MW capacity, are planned at this location. pre-project activities have begun for them and was planned that the first of the two would become critical around 2024–25. The construction for the unit 5 and 6 began on March 1, 2026 with the first concrete pour ceremony. == Units ==