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 
1995-09-24MANUAL REACTOR TRIP DUE TO FAILURE OF DRAIN VALVE IN AUTOCLAVE CIRCUITSouth KoreaWOLSONG-3
1996-08-11Manual shutdown for repairing of main condenser tubeSouth KoreaULCHIN-1
1996-07-12Manual shutdown for repairing the fueling machineSouth KoreaWOLSONG-3
1996-08-07Manual shutdown for repairing the steam generator tube leakSouth KoreaYONGGWANG-2
1993-03-02MINOR LEAKAGE IN A 15 MM PIPE TO A PILOT VALVE IN THE PRESSURE RELIEF SYSTEMSwedenRINGHALS-1
1993-02-28MINOR LEAKAGE IN A 32 MM VALVE BONNET SEALSwedenRINGHALS-1
1992-05-05MODERATOR DUMP TIME RECORDING HIGHER THAN NORMALIndiaKALPAKKAM-1
1992-01-29NO IMPACT ON SAFETY FOLLOWING A FIRE IN THE AUXILIARY BUILING OF UNITS 3 AND 4BulgariaKOZLODUY-3
1992-01-05NO IMPACT TO SAFETY AFTER IGNITION OF THERMAL INSULATION OF A PIPE IN THE PRIMARY COOLANT SYSTEMBulgariaKOZLODUY-5
1993-01-16NON TRIPPING OV CHANNEL-E ON HIGH BOILER DIFFERENTIAL TEMPERATURE WHILE DOING TESTINGIndiaKALPAKKAM-2
1991-04-02NON-AVAILABILITY OF BOTH DGS DURING MODERATOR SHUT DOWNIndiaKALPAKKAM-1
1993-01-17NON-AVAILABILITY OF CHANNEL TEMPERATURE MONITORING (CTM) INSTALLATION-2IndiaRAJASTHAN-2
2020-12-10Nuclear Installation Event at OLKILUOTO-2FinlandOLKILUOTO-2
1994-08-22ONE CONTROL ROD NOT FULLY INSERTED AFTER SCRAMSwedenRINGHALS-4
1991-11-01PARTIAL DAMAGE TO POWER AND INSTRUMENTATION CABLES OF TURBINE BUILDING VALVES AND AUXILIARY COMPONENTS AS A RESULT OF IGNITIONUkraineCHERNOBYL-1
1992-05-10PARTIAL DRAINING OF H2O DOUSING TANK DURING UNIT START UPIndiaRAJASTHAN-2
1995-08-11PERSONNEL INJURY IN TURBINE HALL DURING REFUELLINGSwitzerlandLEIBSTADT
1992-01-06PLANNED UNIT SHUTDOWN DUE TO BLOCKADE OF ROADIndiaRAJASTHAN-2
2006-07-18Potential Flooding Common Mode Failure of Service Water PumpsUnited States of AmericaVIRGIL C. SUMMER-1
2004-08-03Potential Radiation Overexposure to a RadiographerUnited States of AmericaMills
1996-03-29Power excursion and subsequent plant tripPakistanKANUPP
1992-04-19POWER UNIT UNLOADING DUE TO THE THIRD MAIN CIRCULATION PUMP (MCP-3) TURNING-OFF AS A RESULT OF FALSE OPERATION OF MAJOR PROTECTION SYSTEMUkraineZAPOROZHE-4
1994-08-25PROBLEM IN LOWERING FRESH FUEL BUNDLE IN THE REACTORIndiaDHRUVA
1996-06-28Radioactive contamination in the reactor hallUkraineCHERNOBYL-1
2012-01-26Radioactive Source Found in Scrap MetalLebanonTripoli Sea Port
2012-02-29Radioactive Source Found in Scrap Metal prepared for ExportLebanonBeirut Sea Port
1993-06-28RADIOACTIVE SPOT AT THE NPP SITEUkraineZAPOROZHE-1
1996-08-19RCIC turbine insulation fireUnited States of AmericaCLINTON-1
1994-02-02REACOR SCRAM AND TURBINE TRIP BY RCP BUS LOW VOLTAGEChinaQINSHAN 1
1996-04-25Reacotr trip due to steam generator level high signalSouth KoreaULCHIN-1