INES directory

On this page you can browse through the directory of reported nuclear incidents reported to the IAEA.

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Event date Location Incident INES level
1991-07-09 RAJASTHAN-2 HIGH ACTIVITY IN TB PIT 1
1991-07-05 ANGRA-1 FIRE IN GAS STORAGE [N/A]
1991-07-01 CHERNOBYL-2 NEW FUEL ASSEMBLY DROPPING WHILE REFUELING 2
1991-06-22 BELLEVILLE-2 DEFECTIVE WELDS IN LOW PRESSURE SAFETY INJECTION SYSTEM 2
1991-06-15 BRADWELL UNIT A TEMPERATURE TRANSIENT DURING START-UP 2
1991-06-12 CATTENOM-4 PARTIAL INOPERABILITY OF THE REACTOR PROTECTION SYSTEM 2
1991-06-01 KALININ-2 UNIT SHUTDOWN DUE TO PERSONNEL ERRORS AND DAMAGE TO RCP 6 KV BREAKER 1
1991-05-31 POINT LEPREAU INCORRECT CALIBRATION OF SHUTDOWN SYSTEM AND TWO REGIONAL OVERPOWER DETECTORS 2
1991-05-28 RINGHALS-2 FUEL ASSEMBLY TILTED OVER DURING CORE LOADING 1
1991-05-24 BELLEVILLE-2 UNAVAILABILITY OF REACTOR LEVEL MEASUREMENT 2
1991-05-16 KOLA-3 FAILURE OF SAFETY SYSTEM TRAIN WHILE ROUTINE TESTING 2
1991-05-12 BOHUNICE-1 RELEASE OF ACTIVE LIQUID FROM STORAGE TANK 3
1991-05-11 KOZLODUY-5 UNPLANNED EXPOSURE OF PERSONNEL DURING REFUELLING 1
1991-05-09 HINKLEY POINT-B UNIT A ISOLATION OF FUEL OIL TO ESSENTIAL GAS TURBINES 2
1991-05-04 IGNALINA-2 PERSONNEL OVEREXPOSURE DURING PRECOMMISSIONING OPERATIONS INVOLVING HOT CELL 3
1991-05-03 KALPAKKAM-2 FAILURE OF FUEL OIL LINE IN RUNNING DG-2 1
1991-04-29 PIERRELATTE VIOLATION OF SAFETY REGULATIONS AT A WORKSHOP IN THE FUEL FABRICATION PLANT 2
1991-04-25 TARAPUR-2 FINGERS INJURY WHILE WORKING ON PRIMARY STEAM ISOLATION VALVE
1991-04-13 RAJASTHAN-1 HEAVY WATER LEAK FROM INSTRUMENT TUBING
1991-04-12 OLKILUOTO-2 FIRE IN SWITCHGEAR BUILDING 2
1991-04-10 CHERNOBYL-1 UNAVAILABILITY OF LOW POWER EMERGENCY PROTECTION (LPEP) DUE TO LOSS OF IONIZATION CHAMBER POWER SUPPLY 3
1991-04-08 RAJASTHAN-2 LEAK FROM FUELLING MACHINE
1991-04-07 TARAPUR-2 MISGRAPPLING OF FUEL BUNDLE MB-140 IN THE CORE OF UNIT NO. 2 1
1991-04-02 KALPAKKAM-1 NON-AVAILABILITY OF BOTH DGS DURING MODERATOR SHUT DOWN
1991-03-31 KOLA-2 WRONG POSITIONING OF THE FUEL ASSEMBLY WHILE PERFORMING FUEL ROD CLADDING INTEGRITY TEST 1
1991-03-28 LENINGRAD-3 UNIT SHUTDOWN DUE TO SHORT CIRCUIT IN THE AUXILIARY POWER TRANSFORMER AND LEAKING OIL FIRE
1991-03-27 SOUTH UKRAINE-1 UNIT SHUTDOWN DUE TO PRIMARY CIRCUIT LEAK IN THE LINE OF CONTROLLED LEAKS FROM THE MAIN ISOLATION VALVE SEAL
1991-03-19 ANGRA-1 LEAKAGE IN THE GASEOUS WASTE PROCESSING SYSTEM (GWPS) 1
1991-03-18 KALPAKKAM-2 UNIT OUTAGE ON CLASS-IV FAILURE
1991-03-16 TARAPUR-1 REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE POWER
1991-03-07 KALPAKKAM-1 HEAVY WATER SPILL FROM MODERATOR SYSTEM 1
1991-03-04 GRAVELINES-6 INOPERABILITY OF VALVES OF SAFETY SYSTEMS 2
1991-02-26 KHMELNITSKI-1 INOPERABILITY OF VALVES AT THE DISCHARGE SIDE OF HPSI PUMPS IN THREE TRAINS DUE TO FAILURE TO CONNECT POWER CABLES 3
1991-02-22 TARAPUR-1 LOWERING OF REACTOR WATER LEVEL BELOW CORE SPRAY ACTUATION LEVEL
1991-02-21 KURSK-4 UNIT SHUTDOWN DUE TO COOLANT LEAK IN RCP AUXILIARY PIPELINE
1991-02-20 KALPAKKAM-2 ADJUSTER ROD 24V DC FAILURE
1991-02-13 ZAPOROZHE-4 REACTOR SHUTDOWN DUE TO EXCESS HYDROGEN CONCENTRATION IN THE GENERATOR STATOR GAS TRAP
1991-02-09 MIHAMA-2 STEAM GENERATOR TUBE BREAK 2
1991-02-05 KOZLODUY-2 PRESSURIZER DISCHARGE TANK MEMBRANE RUPTURE 1
1991-01-23 ZAPOROZHE-1 UNIT SHUTDOWN DUE TO BREACH OF NORMAL OPERATION CONDITIONS 2
1991-01-21 DUKOVANY-1 REACTOR SCRAM DUE TO A FIRE OF SECOND CATEGORY OF RELIABILITY BUSES
1991-01-15 BOHUNICE-2 FIRE OF BUSES OF SECOND CATEGORY OF RELIABILITY BUSES 2
1991-01-14 ANGRA-1 LEAKOFF IN MOTOR BEARING HEAT EXCHANGER OF SERVICE WATER PUMP
1991-01-11 NOVOVORONEZH-5 UNIT SHUTDOWN DUE TO SG-4 PULSE LINE RUPTURE 1
1991-01-07 KALPAKKAM-1 SHUT DOWN OF MAPS UNITS 1 AND 2 FOLLOWING INABILITY TO MEET MINIMUM STAFF REQUIREMENT 1
1990-12-27 KALPAKKAM-2 LOSS OF RAM-C POSITION INDICATION
1990-12-21 KOZLODUY-2 REACTOR COOLANT LEAKAGE DUE TO FAILURE OF SEALING OF MAIN REACTOR FLANGE 1
1990-12-06 SMOLENSK-3 TURBINE SJAES STEAMING DUE TO PLANT PERSONNEL ERROR 1
1990-12-04 SHIMANE-2 REACTOR AUTOMATIC SHUTDOWN DUE TO MISOPERATION BY AN OPERATOR
1990-12-04 DUKOVANY-1 LOSS OF ELECTRICAL OFF-SITE POWER AFFECTED THE FOUR UNITS LOAD REJECTION AND DIESEL GENERATOR FAILED 2