| date | INES | title | location  |
| 23-09-1991 | INES 2 | DEFECTS IN BUGEY AND FESSENHEIM POWER PLANT REACTOR VESSEL HEADS | BUGEY-2, France |
| 14-12-2001 | INES 1 | DESTRUCTION OF A PIPING INSIDE CONTAINMENT | BRUNSBUETTEL, Germany |
| 01-11-1992 | INES 1 | INDICATIONS IN AUSTENITIC PIPING DISCOVERED DURING NON-DESTRUCTIVE TESTING | BRUNSBUETTEL, Germany |
| 01-10-2019 | INES 1 | Theft and recovery of a moisture/density gauge | Bratislava-Podunajské Biskupice, Slovakia |
| 15-06-1991 | INES 2 | TEMPERATURE TRANSIENT DURING START-UP | BRADWELL UNIT A, United Kingdom |
| 13-11-1993 | INES 2 | UNCONTROLLED POWER TRANSIENT IN A TEST REACTOR WITH DEGRADATION OF THE TESTED IRRADIATED FUEL NEEDLE | BR2, Belgium |
| 22-12-2011 | INES 1 | Start of a fire in decontamination machine of former nuclear manufacturing plant of Bosco Marengo (AL) under decommissioning | Bosco Marengo (AL), Italy |
| 21-11-1996 | INES 2 | Operation of unit with insufficient containment function | BORSSELE, Netherlands |
| 23-05-2021 | INES 1 | Failure of a defectoscope during industrial radiography test | Borsodchem PLC, Hungary |
| 24-03-2022 | INES 2 | Exposure of radiographer over annual statutory dose limit | BorsodChem Co. Ltd, Hungary |
| 14-10-2014 | INES 2 | A practitioner’s regulatory annual exposure dose limit was exceeded | Bordeaux University Hospital - Pellegrin Hospital, France |
| 02-08-2013 | INES 2 | Uncontrolled release of radioactive effluents into the public sewerage system | Bordeaux university hospital, France |
| 30-06-2015 | INES 2 | Bordeaux University: discovery of radioactive sources and incidental exposure of persons | Bordeaux University, France |
| 02-12-2010 | INES 2 | Several mine workers overexposed by X-rays | Boliden Mineral, Gällivare, Sweden |
| 20-06-1995 | INES 0 | REACTOR SCRAM DURING INSPECTION OF GROUND CONNECTION | BOHUNICE-4, Slovakia |
| 15-04-1996 | INES 1 | Penetration of primary coolant and low level contamination of hermetic box | BOHUNICE-4, Slovakia |
| 15-06-2000 | INES 1 | Unplanned exposure of workers | BOHUNICE-4, Slovakia |
| 18-10-1993 | INES 1 | VIOLATION OF CHEMICAL REGIME OF STEAM GENERATOR FEED WATER (SGFW) | BOHUNICE-3, Slovakia |
| 03-06-1993 | INES 1 | DIESEL GENERATOR START FAILURE | BOHUNICE-3, Slovakia |
| 15-01-1991 | INES 2 | FIRE OF BUSES OF SECOND CATEGORY OF RELIABILITY BUSES | BOHUNICE-2, Slovakia |
| 21-12-1993 | INES 1 | TURBINE TRIP DUE TO PRESSURE DROP IN STEAM GENERATOR MAIN COLLECTOR | BOHUNICE-2, Slovakia |
| 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 |
| 27-04-1995 | INES 0 | REACTOR SCRAM DUE TO A REACTOR PROTECTION SPURIOUS SIGNAL | BOHUNICE-2, Slovakia |
| 20-09-1991 | INES 1 | INCREASE ACTIVITY OF WASTE WATER FROM THE A-1 AND V-1 NPPS | BOHUNICE-1, Slovakia |
| 12-05-1991 | INES 3 | RELEASE OF ACTIVE LIQUID FROM STORAGE TANK | BOHUNICE-1, Slovakia |
| 25-08-2016 | INES 1 | Loss of a device containing radioactive sources | Boguszow-Gorce, Poland, Poland |
| 08-09-1992 | INES 3 | PLUTONIUM NITRATE LEAK IN CELL | BNFL, Sellafield, United Kingdom |
| 12-01-1993 | INES 2 | SIGNIFICANT SPILLAGE OF PLUTONIUM LADEN SOLVENT | BNFL, Sellafield, United Kingdom |