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 
1993-03-15ZION UNIT 2 LOSS OF NSSS CONTROL ROOM ANNUNCIATORSUnited States of AmericaZION-2
1996-01-17WRONG SWITCH-OFF OF THE OIL-SYSTEM OPERATING SECONDARY COOLANT PUMPKazakhstanBN-350
2010-04-02Worker OverexposureUnited States of AmericaWashington University St. Louis
1993-01-14WOODEN SLEEPERS STORED AT THE SEPARATING WALL BETWEEN UNITS 3 & 4 CAUGHT FIREUkraineCHERNOBYL-3
2008-12-27Very low activity source found in scrap metalArmeniaMeghri
2003-01-29Vehicle Stolen containing a density gaugeUnited KingdomUK Transport Event
1995-04-09UNSUCCESSFUL SWITCH OVER FROM 400 KV TO 130 KVSwedenRINGHALS-2
1992-10-18UNSCHEDULED SHUTDOWN DUE TO STEAM LEAKAGE FROM AN OUTLET PIPE OF A HIGH PRESSURE TURBINEJapanFUGEN ATR
1992-02-12UNIT-2 REACTOR SCRAM DUE TO GRID DISTURBANCESIndiaTARAPUR-2
1996-03-19Unit trip on no primary circulating pump runningIndiaNARORA-1
1991-03-28UNIT SHUTDOWN DUE TO SHORT CIRCUIT IN THE AUXILIARY POWER TRANSFORMER AND LEAKING OIL FIRERussian FederationLENINGRAD-3
1991-03-27UNIT SHUTDOWN DUE TO PRIMARY CIRCUIT LEAK IN THE LINE OF CONTROLLED LEAKS FROM THE MAIN ISOLATION VALVE SEALUkraineSOUTH UKRAINE-1
1993-02-15UNIT SHUTDOWN DUE TO HEAVY WATER LEAK AT A FUELLING MACHINECanadaDARLINGTON-2
1992-03-04UNIT SHUTDOWN DUE TO FIRE IN THE 6 KV SWITCHGEAR ROOMRussian FederationBALAKOVO-3
1991-02-21UNIT SHUTDOWN DUE TO COOLANT LEAK IN RCP AUXILIARY PIPELINERussian FederationKURSK-4
1995-10-27UNIT SHUTDOWN BECAUSE OF THE REFUELING MACHINE'S EQUIPMENT FAILUREUkraineCHERNOBYL-1
1995-03-30UNIT SCRAM FOLLOWING THE LOSS OF OFF-SITE POWERSloveniaKRSKO
1992-08-12UNIT SCRAM DUE TO SHORT-TIME DEENERGIZATION OF AUXILIARY POWER BUSESRussian FederationKOLA-1
1993-11-23UNIT SCRAM DUE TO OPERATIONAL OCCURRENCE IN RCP COMPONENT COOLING CIRCUITRussian FederationKALININ-1
1995-09-13UNIT SCRAM DUE TO BLOWHOLE IN EMERGENCY REACTOR COOLING SYSTEM(ECCS) PIPERussian FederationSMOLENSK-1
1991-03-18UNIT OUTAGE ON CLASS-IV FAILUREIndiaKALPAKKAM-2
1992-07-31UNIT NO. 2 REACTOR SCRAM ON PRM HIGH FLUXIndiaTARAPUR-2
1992-06-19UNIT NO. 1 SCRAM ON PRM CH. 6 & IRM CH. 9 KICKING UP DURING FUNCTIONAL CHECKSIndiaTARAPUR-1
1991-07-10UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUXIndiaTARAPUR-1
1991-07-16UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUXIndiaTARAPUR-1
1995-12-03UNIT COLD SHUT DOWN BECAUSE OF THE FLAW IN PIPELINE OF THE PRIMARY MAIN COOLANT PUMPUkraineZAPOROZHE-1
2008-06-04Unidentified leakage from the primary circuit in excess of TS limitSloveniaKRSKO
2003-08-27Unexpected closure of the main steam line isolation valve caused reactor tripSloveniaKRSKO
2012-09-12Unauthorized movementSri LankaColombo Fort
1992-07-24TURBINE/REACTOR TRIP ON SG 2 HIGH LEVELSloveniaKRSKO