▸ Legenda & explanation
date INES title location
01-12-1990INES 2ESSENTIAL BUS DEENERGIZATIONSOUTH UKRAINE-1, Ukraine
04-12-1990INES 2LOSS OF ELECTRICAL OFF-SITE POWER AFFECTED THE FOUR UNITS LOAD REJECTION AND DIESEL GENERATOR FAILEDDUKOVANY-1, Czech Republic
04-12-1990INES 0REACTOR AUTOMATIC SHUTDOWN DUE TO MISOPERATION BY AN OPERATORSHIMANE-2, Japan
06-12-1990INES 1TURBINE SJAES STEAMING DUE TO PLANT PERSONNEL ERRORSMOLENSK-3, Russian Federation
21-12-1990INES 1REACTOR COOLANT LEAKAGE DUE TO FAILURE OF SEALING OF MAIN REACTOR FLANGEKOZLODUY-2, Bulgaria
27-12-1990INES 0LOSS OF RAM-C POSITION INDICATIONKALPAKKAM-2, India
07-01-1991INES 1SHUT DOWN OF MAPS UNITS 1 AND 2 FOLLOWING INABILITY TO MEET MINIMUM STAFF REQUIREMENTKALPAKKAM-1, India
11-01-1991INES 1UNIT SHUTDOWN DUE TO SG-4 PULSE LINE RUPTURENOVOVORONEZH-5, Russian Federation
14-01-1991INES 0LEAKOFF IN MOTOR BEARING HEAT EXCHANGER OF SERVICE WATER PUMPANGRA-1, Brazil
15-01-1991INES 2FIRE OF BUSES OF SECOND CATEGORY OF RELIABILITY BUSESBOHUNICE-2, Slovakia
21-01-1991INES 0REACTOR SCRAM DUE TO A FIRE OF SECOND CATEGORY OF RELIABILITY BUSESDUKOVANY-1, Czech Republic
23-01-1991INES 2UNIT SHUTDOWN DUE TO BREACH OF NORMAL OPERATION CONDITIONSZAPOROZHE-1, Ukraine
05-02-1991INES 1PRESSURIZER DISCHARGE TANK MEMBRANE RUPTUREKOZLODUY-2, Bulgaria
09-02-1991INES 2STEAM GENERATOR TUBE BREAKMIHAMA-2, Japan
13-02-1991INES 0REACTOR SHUTDOWN DUE TO EXCESS HYDROGEN CONCENTRATION IN THE GENERATOR STATOR GAS TRAPZAPOROZHE-4, Ukraine
20-02-1991INES 0ADJUSTER ROD 24V DC FAILUREKALPAKKAM-2, India
21-02-1991INES 0UNIT SHUTDOWN DUE TO COOLANT LEAK IN RCP AUXILIARY PIPELINEKURSK-4, Russian Federation
22-02-1991INES 0LOWERING OF REACTOR WATER LEVEL BELOW CORE SPRAY ACTUATION LEVELTARAPUR-1, India
26-02-1991INES 3INOPERABILITY OF VALVES AT THE DISCHARGE SIDE OF HPSI PUMPS IN THREE TRAINS DUE TO FAILURE TO CONNECT POWER CABLESKHMELNITSKI-1, Ukraine
04-03-1991INES 2INOPERABILITY OF VALVES OF SAFETY SYSTEMSGRAVELINES-6, France
07-03-1991INES 1HEAVY WATER SPILL FROM MODERATOR SYSTEMKALPAKKAM-1, India
16-03-1991INES 0REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE POWERTARAPUR-1, India
18-03-1991INES 0UNIT OUTAGE ON CLASS-IV FAILUREKALPAKKAM-2, India
19-03-1991INES 1LEAKAGE IN THE GASEOUS WASTE PROCESSING SYSTEM (GWPS)ANGRA-1, Brazil
27-03-1991INES 0UNIT SHUTDOWN DUE TO PRIMARY CIRCUIT LEAK IN THE LINE OF CONTROLLED LEAKS FROM THE MAIN ISOLATION VALVE SEALSOUTH UKRAINE-1, Ukraine
28-03-1991INES 0UNIT SHUTDOWN DUE TO SHORT CIRCUIT IN THE AUXILIARY POWER TRANSFORMER AND LEAKING OIL FIRELENINGRAD-3, Russian Federation
31-03-1991INES 1WRONG POSITIONING OF THE FUEL ASSEMBLY WHILE PERFORMING FUEL ROD CLADDING INTEGRITY TESTKOLA-2, Russian Federation
02-04-1991INES 0NON-AVAILABILITY OF BOTH DGS DURING MODERATOR SHUT DOWNKALPAKKAM-1, India
07-04-1991INES 1MISGRAPPLING OF FUEL BUNDLE MB-140 IN THE CORE OF UNIT NO. 2TARAPUR-2, India
08-04-1991INES 0LEAK FROM FUELLING MACHINERAJASTHAN-2, India