date  | INES | title | location |
|---|
| 09-02-1991 | INES 2 | STEAM GENERATOR TUBE BREAK | MIHAMA-2, Japan |
| 05-02-1991 | INES 1 | PRESSURIZER DISCHARGE TANK MEMBRANE RUPTURE | KOZLODUY-2, Bulgaria |
| 23-01-1991 | INES 2 | UNIT SHUTDOWN DUE TO BREACH OF NORMAL OPERATION CONDITIONS | ZAPOROZHE-1, Ukraine |
| 21-01-1991 | INES 0 | REACTOR SCRAM DUE TO A FIRE OF SECOND CATEGORY OF RELIABILITY BUSES | DUKOVANY-1, Czech Republic |
| 15-01-1991 | INES 2 | FIRE OF BUSES OF SECOND CATEGORY OF RELIABILITY BUSES | BOHUNICE-2, Slovakia |
| 14-01-1991 | INES 0 | LEAKOFF IN MOTOR BEARING HEAT EXCHANGER OF SERVICE WATER PUMP | ANGRA-1, Brazil |
| 11-01-1991 | INES 1 | UNIT SHUTDOWN DUE TO SG-4 PULSE LINE RUPTURE | NOVOVORONEZH-5, Russian Federation |
| 07-01-1991 | INES 1 | SHUT DOWN OF MAPS UNITS 1 AND 2 FOLLOWING INABILITY TO MEET MINIMUM STAFF REQUIREMENT | KALPAKKAM-1, India |
| 27-12-1990 | INES 0 | LOSS OF RAM-C POSITION INDICATION | KALPAKKAM-2, India |
| 21-12-1990 | INES 1 | REACTOR COOLANT LEAKAGE DUE TO FAILURE OF SEALING OF MAIN REACTOR FLANGE | KOZLODUY-2, Bulgaria |
| 06-12-1990 | INES 1 | TURBINE SJAES STEAMING DUE TO PLANT PERSONNEL ERROR | SMOLENSK-3, Russian Federation |
| 04-12-1990 | INES 2 | LOSS OF ELECTRICAL OFF-SITE POWER AFFECTED THE FOUR UNITS LOAD REJECTION AND DIESEL GENERATOR FAILED | DUKOVANY-1, Czech Republic |
| 04-12-1990 | INES 0 | REACTOR AUTOMATIC SHUTDOWN DUE TO MISOPERATION BY AN OPERATOR | SHIMANE-2, Japan |
| 01-12-1990 | INES 2 | ESSENTIAL BUS DEENERGIZATION | SOUTH UKRAINE-1, Ukraine |
| 24-11-1990 | INES 0 | REACTOR SCRAM ON TOTAL LOSS OF OFF-SITE AC POWER (CLASS IV). SRUOR-1-90-9. | TARAPUR-1, India |
| 19-11-1990 | INES 0 | REACTOR SCRAM ON PRM HIGH FLUX SUBSEQUENT TO SPURIOUS ACTUATION OF REACTOR RELIEF VALVES A & B (SRUOR-1-90-8) | TARAPUR-1, India |
| 08-11-1990 | INES 0 | LE ADJUSTER OPERATION | KALPAKKAM-2, India |
| 26-10-1990 | INES 0 | HIGH TRITIUM ACTIVITY IN SOLAR EVAPORATION FACILITY | RAJASTHAN-1, India |
| 23-10-1990 | INES 1 | MG-TRIPPING ON UNDER/OVER FREQUENCY PROTECTION | KALPAKKAM-1, India |
| 16-10-1990 | INES 1 | DROPPING OF SPENT FUEL BUNDLES OF CHANNEL P-09 IN SOUTH SIDEFUEL TRANSFER CAVITY | RAJASTHAN-1, India |
| 04-10-1990 | INES 2 | TG 2 TRIP DUE TO DEENERGIZATION OF 6 & 0.4 KV BUSES AND FAILURE OF TG STANDBY OIL PUMP TO START | IGNALINA-1, Lithuania |
| 01-10-1990 | INES 2 | IMPACT ON SAFETY DUE TO PARTIAL INOPERABILITY OF THE LONG TERM COOLING SYSTEM (WATER SUMP FILTERS) | PALUEL-1, France |
| 01-10-1990 | INES 1 | FAULTY WELD DETECTED ON PRIMARY CIRCUIT | OSKARSHAMN-1, Sweden |
| 23-09-1990 | INES 0 | REACTOR TRIP ON PHT LOW PRESSURE | KALPAKKAM-1, India |
| 18-09-1990 | INES 2 | SPURIOUS ACTUATION OF 2 MAIN SAFETY VALVES OUT OF TWELVE | IGNALINA-1, Lithuania |
| 09-09-1990 | INES 0 | REACTOR AUTOMATIC SHUTDOWN DUE TO INCORRECT FUNCTIONING OF A MAIN STEAM ISOLATION VALVE | FUKUSHIMA-DAIICHI-3, Japan |
| 04-09-1990 | INES 0 | FIRE IN CALANDRIA VAULT DRYER AREA | KALPAKKAM-1, India |
| 04-09-1990 | INES 1 | REACTOR START UP WITH DEGRADED REACTOR SHUT DOWN SYSTEMS | LEIBSTADT, Switzerland |
| 22-08-1990 | INES 2 | IMPACT ON SAFETY DUE TO INOPERABILITY OF A SAFETY SYSTEM DESIGNED FOR ACCIDENT MITIGATION (CONTAINMENT SAND FILTERS) | TRICASTIN-1, France |
| 30-07-1990 | INES 0 | LEAKAGE IN THE UNDERGROUND TUBE OF THE INTERMEDIATE COOLING CIRCUIT | KRUEMMEL, Germany |
