| date | INES  | title | location |
|---|
| 06-12-1991 | INES 1 | DEVIATION FROM THE NORMAL ON-LOAD REFUELING REGIME DUE TO FUEL ASSEMBLY SEPARATION FROM THE CONNECTING BAR | SMOLENSK-3, Russian Federation |
| 04-06-1992 | INES 1 | INOPERABILITY OF HERMETIC COMPARTMENT PRESSURE INDICATORS OF ESFAS | DUKOVANY-2, Czech Republic |
| 04-09-1990 | INES 1 | REACTOR START UP WITH DEGRADED REACTOR SHUT DOWN SYSTEMS | LEIBSTADT, Switzerland |
| 22-09-1992 | INES 1 | SMALL FIRES CAUSED BY SHORT-CIRCUIT | KOZLODUY-5, Bulgaria |
| 18-08-1992 | INES 1 | LOW ACTIVITY BORATED WATER LEAK FROM MAKE-UP SYSTEM | DUKOVANY-1, Czech Republic |
| 16-04-1992 | INES 1 | DEGRADED WATER CHEMISTRY IN THE PRIMARY CIRCUIT DUE TO CEMENT MORTAR INGRESS INTO THE BORATED WATER STORAGE TANK | KOLA-2, Russian Federation |
| 06-07-1992 | INES 1 | FAILURE OF TWO DIESEL GENERATORS WHILE ROUTINE TESTING DURING UNIT MAINTENANCE | BALAKOVO-2, Russian Federation |
| 15-10-1992 | INES 1 | LEAKAGE OF REACTOR CIRCUIT PIPE 76 MM DIAMETER FROM REACTOR CHANNEL 32-24 TO THE DRUM SEPARATOR | IGNALINA-2, Lithuania |
| 12-11-1992 | INES 1 | UNIT OPERATION WITH ONE REACTOR PROTECTION SYSTEM CHANNEL OUT | SOUTH UKRAINE-2, Ukraine |
| 13-12-1992 | INES 1 | REACTOR SHUTDOWN BY THE ACTUATION OF THE EMERGENCY PROTECTION SYSTEM FOLLOWED BY NON-COMPLIANCE WITH THE SAFE OPERATING LIMITS ON STEAM GENERATOR COOLDOWN RATE | ROVNO-2, Ukraine |
| 08-12-1992 | INES 1 | INCORRECT CONNECTION OF CABLES TO RELAYS IN SAFETY SYSTEMS | RINGHALS-2, Sweden |
| 02-01-1993 | INES 1 | SMALL STEAM LEAK FROM THE MAIN FLANGE OF THE PRIMARY COOLANT PUMP NO. 4 | KOZLODUY-2, Bulgaria |
| 01-11-1992 | INES 1 | INDICATIONS IN AUSTENITIC PIPING DISCOVERED DURING NON-DESTRUCTIVE TESTING | BRUNSBUETTEL, Germany |
| 24-02-1993 | INES 1 | CRACKS IN PIPEBENDS (ELBOWS) IN THE RESIDUAL HEAT REMOVAL SYSTEM | OSKARSHAMN-1, Sweden |
| 12-02-1993 | INES 1 | PLUTONIUM RECOVERY PLANT, B204 | BNFL, Sellafield, United Kingdom |
| 27-05-1993 | INES 1 | UNIT SCRAM DUE TO INADVERTENT ACTUATION OF PRESSURIZER PILOT RELIEF VALVE | KOLA-3, Russian Federation |
| 02-02-1993 | INES 1 | UNIT SCRAM CAUSED BY GRID DISTURBANCES DUE TO TORNADO | KOLA-3, Russian Federation |
| 02-02-1993 | INES 1 | UNIT SCRAM CAUSED BY GRID DISTURBANCES DUE TO TORNADO | KOLA-4, Russian Federation |
| 07-10-1993 | INES 1 | RADIOACTIVE CONTAMINATION OF THE UNIT ROOMS DUE TO REACTOR COOLANT LEAK IN THE AUXILIARY SYSTEM | BELOYARSKY-3(BN-600), Russian Federation |
| 26-11-1993 | INES 1 | HUMAN ERROR INITIATED SAFETY INJECTION/REACTOR TRIP | KRSKO, Slovenia |
| 12-10-1993 | INES 1 | IMPENETRABILITY TEST OF CONTAINMENT NOT APPROVED | BARSEBECK-2, Sweden |
| 18-01-1994 | INES 1 | CRACK IN CONTROL ROD HOUSING | JOSE CABRERA-1 (ZORITA), Spain |
| 07-02-1994 | INES 1 | FAILURE OF THE FOAM FIRE-EXTINGUISHING SPRINKLER SYSTEM TO OPERATE FOR 16 HOURS DUE TO FROZEN PIPES | IGNALINA-1, Lithuania |
| 16-03-1994 | INES 1 | REACTOR SCRAM CAUSED BY THE CABLE FIRE UNDER THE TURBINE HALL PREMISES | KHMELNITSKI-1, Ukraine |
| 21-12-1993 | INES 1 | TURBINE TRIP DUE TO PRESSURE DROP IN STEAM GENERATOR MAIN COLLECTOR | BOHUNICE-2, Slovakia |
| 24-02-1994 | INES 1 | DETERIORATION OF THE PRIMARY CIRCUIT INTEGRITY | IGNALINA-2, Lithuania |
| 09-12-1993 | INES 1 | EXCEEDING OF CL-CONCENTRATION IN PRIMARY CIRCUIT WATER | BOHUNICE-2, Slovakia |
| 22-04-1993 | INES 1 | INTERVENTION OF AUTOMATIC POWER CONTROL (APC) DUE TO SPURIOUS SIGNAL | BOHUNICE-2, Slovakia |
| 23-02-1993 | INES 1 | FALL DOWN OF CONNECTOR FRAGMENTS INTO THE REACTOR VESSEL | BOHUNICE-2, Slovakia |
| 18-10-1993 | INES 1 | VIOLATION OF CHEMICAL REGIME OF STEAM GENERATOR FEED WATER (SGFW) | BOHUNICE-3, Slovakia |
