INES Levels
INES N/A
INES 0
INES 1
INES 2
INES 3
INES 4
INES 5
INES 6
INES 7

INES 0: Deviation

No safety significance

(Arrangements for reporting minor events to the public differ from country to country. Also, it is difficult to ensure precise consistency in rating events between INES Level-1 and Below scale/Level-0)

▸ Legenda & explanation
date title location 
1992-01-06PLANNED UNIT SHUTDOWN DUE TO BLOCKADE OF ROADIndiaRAJASTHAN-2
1992-05-10PARTIAL DRAINING OF H2O DOUSING TANK DURING UNIT START UPIndiaRAJASTHAN-2
1993-01-17NON-AVAILABILITY OF CHANNEL TEMPERATURE MONITORING (CTM) INSTALLATION-2IndiaRAJASTHAN-2
1990-10-26HIGH TRITIUM ACTIVITY IN SOLAR EVAPORATION FACILITYIndiaRAJASTHAN-1
1991-04-13HEAVY WATER LEAK FROM INSTRUMENT TUBINGIndiaRAJASTHAN-1
1992-08-21FAILURE OF 5231 CB-5 TO CLOSE DURING FAILURE 5231 DG-1 TO START WHEN STATION CLASS IV SUPPLY FAILEDIndiaRAJASTHAN-1
1995-12-27Reactor trip on low PHT pressure due to change in power while reverse fueling of channelIndiaNARORA-2
1996-01-05Reactor trip on adjuster rod cooling flow very lowIndiaNARORA-2
1996-03-19Unit trip on no primary circulating pump runningIndiaNARORA-1
2000-11-28Forced shutdown of Narora Unit-1 due to unavailability of make up waterIndiaNARORA-1
1990-11-08LE ADJUSTER OPERATIONIndiaKALPAKKAM-2
1990-12-27LOSS OF RAM-C POSITION INDICATIONIndiaKALPAKKAM-2
1991-02-20ADJUSTER ROD 24V DC FAILUREIndiaKALPAKKAM-2
1991-03-18UNIT OUTAGE ON CLASS-IV FAILUREIndiaKALPAKKAM-2
1991-12-12REACTOR TRIP ON LOW PHT PRESSUREIndiaKALPAKKAM-2
1993-01-16NON TRIPPING OV CHANNEL-E ON HIGH BOILER DIFFERENTIAL TEMPERATURE WHILE DOING TESTINGIndiaKALPAKKAM-2
1995-02-07STEAM GENERATOR TUBE LEAK AT MAPS-2IndiaKALPAKKAM-2
2004-12-26Safe shutdown of Kalpakkam-2 reactor due to seawater entry into pump houseIndiaKALPAKKAM-2
1990-09-04FIRE IN CALANDRIA VAULT DRYER AREAIndiaKALPAKKAM-1
1990-09-23REACTOR TRIP ON PHT LOW PRESSUREIndiaKALPAKKAM-1
1991-04-02NON-AVAILABILITY OF BOTH DGS DURING MODERATOR SHUT DOWNIndiaKALPAKKAM-1
1991-07-26DEUTERIUM INCREASE IN MODERATOR COVER GAS SYSTEMIndiaKALPAKKAM-1
1992-03-03LOSS OF POWER SUPPLY TO CLASS IV SYSTEMS AND UNIT OUTAGEIndiaKALPAKKAM-1
1991-12-19REACTOR TRIP ON LOW PHT PRESSUREIndiaKALPAKKAM-1
1992-05-05MODERATOR DUMP TIME RECORDING HIGHER THAN NORMALIndiaKALPAKKAM-1
1992-10-13REACTOR TRIP DURING ROUTINE CHECKING OF GROUND IN 250 V DC CIRCUITIndiaKALPAKKAM-1
1996-01-07D2O leak from a calandria tube sheet plugIndiaKALPAKKAM-1
1994-06-16FLOODING IN BASEMENT AND SUB BASEMENT OF TURBINE BUILDINGIndiaKAKRAPAR-1
1997-03-02Reactor trip on PHT pressure less than 79.6 kg/cm2 for 15 secondsIndiaKAKRAPAR-1
2000-01-26Earthquake in the Indian State of GujaratIndiaKAKRAPAR-1