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 
1992-01-05NO IMPACT TO SAFETY AFTER IGNITION OF THERMAL INSULATION OF A PIPE IN THE PRIMARY COOLANT SYSTEMBulgariaKOZLODUY-5
1991-12-19REACTOR TRIP ON LOW PHT PRESSUREIndiaKALPAKKAM-1
1991-12-12REACTOR TRIP ON LOW PHT PRESSUREIndiaKALPAKKAM-2
1991-12-07DAMAGE TO RCP MAIN THRUST BEARING WHILE PREPARING PRIMARY FOR HYDROTESTRussian FederationKOLA-3
1991-11-01PARTIAL DAMAGE TO POWER AND INSTRUMENTATION CABLES OF TURBINE BUILDING VALVES AND AUXILIARY COMPONENTS AS A RESULT OF IGNITIONUkraineCHERNOBYL-1
1991-09-11FAILURE OF TWO PRESSURIZER SPRAY LINESSwitzerlandBEZNAU-1
1991-08-14INTERNAL LEAKAGE OF PRESSURIZER SAFETY VALVESGermanySTADE
1991-07-26DEUTERIUM INCREASE IN MODERATOR COVER GAS SYSTEMIndiaKALPAKKAM-1
1991-07-16UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUXIndiaTARAPUR-1
1991-07-10UNIT NO. 1 REACTOR SCRAM ON PRM HIGH FLUXIndiaTARAPUR-1
1991-04-25FINGERS INJURY WHILE WORKING ON PRIMARY STEAM ISOLATION VALVEIndiaTARAPUR-2
1991-04-13HEAVY WATER LEAK FROM INSTRUMENT TUBINGIndiaRAJASTHAN-1
1991-04-08LEAK FROM FUELLING MACHINEIndiaRAJASTHAN-2
1991-04-02NON-AVAILABILITY OF BOTH DGS DURING MODERATOR SHUT DOWNIndiaKALPAKKAM-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
1991-03-18UNIT OUTAGE ON CLASS-IV FAILUREIndiaKALPAKKAM-2
1991-03-16REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE POWERIndiaTARAPUR-1
1991-02-22LOWERING OF REACTOR WATER LEVEL BELOW CORE SPRAY ACTUATION LEVELIndiaTARAPUR-1
1991-02-21UNIT SHUTDOWN DUE TO COOLANT LEAK IN RCP AUXILIARY PIPELINERussian FederationKURSK-4
1991-02-20ADJUSTER ROD 24V DC FAILUREIndiaKALPAKKAM-2
1991-02-13REACTOR SHUTDOWN DUE TO EXCESS HYDROGEN CONCENTRATION IN THE GENERATOR STATOR GAS TRAPUkraineZAPOROZHE-4
1991-01-21REACTOR SCRAM DUE TO A FIRE OF SECOND CATEGORY OF RELIABILITY BUSESCzech RepublicDUKOVANY-1
1991-01-14LEAKOFF IN MOTOR BEARING HEAT EXCHANGER OF SERVICE WATER PUMPBrazilANGRA-1
1990-12-27LOSS OF RAM-C POSITION INDICATIONIndiaKALPAKKAM-2
1990-12-04REACTOR AUTOMATIC SHUTDOWN DUE TO MISOPERATION BY AN OPERATORJapanSHIMANE-2
1990-11-24REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE AC POWER (CLASS IV). SRUOR-1-90-9.IndiaTARAPUR-1
1990-11-19REACTOR SCRAM ON PRM HIGH FLUX SUBSEQUENT TO SPURIOUS ACTUATION OF REACTOR RELIEF VALVES A & B (SRUOR-1-90-8)IndiaTARAPUR-1
1990-11-08LE ADJUSTER OPERATIONIndiaKALPAKKAM-2
1990-10-26HIGH TRITIUM ACTIVITY IN SOLAR EVAPORATION FACILITYIndiaRAJASTHAN-1