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KGS-1 Nuclear Power Reactor Sets A New World Record

KGS-1 Nuclear Power Reactor Sets World Record For Continuous Operations
Representational image. (Source- Pixabay)

India Ahead

KGS-1 Nuclear Power Reactor Sets A New World Record

It is an indigenous pressured heavy water reactor (PHWR).

Unit-1 of the Kaiga Generating Station (KGS-1) in Karnataka has operated continuously for 895 days, setting a world record in long continuous operations among Pressurised Heavy Water Reactors (PHWR).

India’s atomic power plant operator, Nuclear Power Corporation of India Ltd (NPCIL) stated on Thursday that with this record, KGS-1 is the first PHWR and second among all the nuclear power reactors worldwide to operate continuously for so long.

Earlier in June, KGS-1 surpassed the record set by the Unit-5 of Rajasthan Atomic Power Station (RAPS-5) in 2014 of continuous operations for 765 days. A month later, it smashed its own record by setting a new record of 800 days continuous operations.

The unit has been continuously operating since 13 May 2016.

(Read – As The Apsara Reactor Dons A New Avatar, Its History In 10 Points)


The 220 MW unit at Kaiga in Karnataka, the domestically fuelled KGS-1, is an indigenous PHWR which started its commercial operations on 16 November 2000.

NPCIL had stated in June that till then, KGS-1 had generated about 2576 crore units of electricity since its commencement.

(Read – 10 Points On The International Solar Alliance And India’s Focus On Solar Energy)

Indian Nuclear Power Plants

According to a release issued by NPCIL, so far, the nuclear power plants have demonstrated 28 times, continuous operations for long periods exceeding a year. Along with KGS-1, Raps-3 and Raps-5 have been operating continuously for more than two years, with 777 and 765 days respectively.

At present, the NPCIL has 22 operating reactors with a capacity of 6,780 MW in total.

NPCIL is constructing eight reactors with capacity of 6,200 MW, out of which six are indigenous PHWRs of 700 M for Gujarat (Kakrapar), Rajasthan (Rawatbhata) and Haryana (Gorakhpur). The remaining two nuclear power reactors are LWRs of 1,000 MW each which will be constructed at Kudankulam in Tamil Nadu.

NPCIL has stated in the release that India’s installed nuclear capacity would reach 12,980 MW by year 2024-25 with the construction of these eight power reactors.

Work has also been initiated on twelve more reactors with 9,000 MW capacity that have been accorded the administration’s approval and financial sanction.

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