Narora Atomic Power Station

Narora Atomic Power Station (NAPS) is a nuclear power plant located in Narora, Dibai Tehsil, Bulandshahar District in Uttar Pradesh, India.

Reactors

The plant houses two reactors, each a pressurized heavy-water reactor (PHWR) capable of producing 220 MW of electricity. Commercial operation of NAPS-1 began on 1 January 1991, NAPS-2 on 1 July 1992.

The reactors were not originally under IAEA safeguards. but subsequent to the signing of the 1-2-3 agreement, they have been placed under IAEA monitoring with effect from 2014.

Units

PhaseUnitNo.ReactorStatusCapacity in MWeConstruction startFirst criticalityGrid ConnectionCommercial operationClosureNotes Type Model Net Gross I 1 PHWR IPHWR-220 202 220 1 December 1976 12 March 1989 29 July 1989 1 January 1991 2 PHWR IPHWR-220 202 220 1 November 1977 24 October 1991 5 January 1992 1 July 1992 II 3 PHWR IPHWR-700 630 700 4 PHWR IPHWR-700 630 700

Incidents

On 31 May 1993, after months of operation, two steam turbine blades in NAPS-1 malfunctioned causing a major fire. This fire propagated to the reactor's emergency cabling system and with that nearly led to the damage of the reactor core.

References