Legenda & explanation
date INES title location
25-10-1991INES 2BORATED WATER STORAGE TANK LEVEL REDUCTION TO 180 M3NOVOVORONEZH-4, Russian Federation
03-03-1993INES 0BLOWN FUSE ON THE INVERTER CAUSED REACTOR TRIPKRSKO, Slovenia
14-09-1996INES 0Blockage of sea water screen by jellyfishULCHIN-2, South Korea
09-09-2000INES 0Beloyarsk NPP Unit 3 scram due to events in the operation of the Urals power systemBELOYARSKY-3(BN-600), Russian Federation
10-05-2019INES 2Auxiliary feedwater system actuation and manual reactor trip due to careless withdrawal of control rods at Hanbit Unit 1HANBIT-1, South Korea
22-07-2021INES 2Automatic trip of both reactors following loss of off-site electric suppliesHeysham 1 Power Station, United Kingdom
22-07-2021INES 2Automatic trip of both reactors following loss of off-site electric suppliesHeysham 1 Power Station, United Kingdom
29-09-1992INES 0AUTOMATIC SHUTDOWN OF UNIT-2 OF FUKUSHIMA DAIICHI NPPFUKUSHIMA-DAIICHI-2, Japan
11-06-1998INES 2Automatic shutdown of the reactor caused by spurious triggering of the containment spray system and jamming of a control cluster in the high position during this shutdownBELLEVILLE-2, France
14-07-1994INES 0AUTOMATIC SHUT DOWN OF THE REACTOR AFTER GENERATOR PROTECTION ACTIVATIONKRSKO, Slovenia
12-11-1995INES 0AUTOMATIC REACTOR UNLOADING DUE TO TURBOGENERATOR TRIP BY OPERATORIGNALINA-1, Lithuania
22-11-1995INES 1AUTOMATIC REACTOR UNLOADING DUE TO SPURIOUS OPENINGS OF VALVES BETWEEN A GROUP OF ECCS PRESSURIZED TANKS AND REACTORIGNALINA-2, Lithuania
08-07-1994INES 0AUTOMATIC REACTOR SHUTDOWN CAUSED BY SPURIOUS CLOSING OF THE GATE VALVE AT THE PIPELINE FEEDING THE MAIN CONDENSATE HEATER WITH HEATING STEAMIGNALINA-2, Lithuania
09-08-1994INES 0AUTOMATIC REACTOR SHUTDOWN CAUSED BY GENERATOR TRIPIGNALINA-1, Lithuania
17-08-1997INES 1Automatic protection system disconnected during non nuclear heat up after refuellingRINGHALS-2, Sweden
05-01-1990INES 0AUTOMATIC PLANT SHUTDOWN DUE TO AN EARTHQUAKEKRSKO, Slovenia
11-07-2003INES 2Auto-trip of R21, following trip of Main Boiler Feed Pump, subsequent breach of Gas Circulator 22 Inlet Temp. limitDUNGENESS-B1 UNIT A, United Kingdom
26-09-2012INES 2ASN decided to uprate as level 2 on the INES scale an event related to non-compliance with the requirements applicable to labelling, storage and on-site transfer of wet fissile materialsAREVA-FBFC, France
31-12-2003INES 2Anomaly on the water recirculation circuits of French pressurised water reactorsAll NPP - generic, France
09-12-2005INES 2Anomaly on safety pumps of 900 MW reactorsAll NPP - generic, France
18-01-1992INES 1AN IMPORTANT LOSS OF COMMUNICATIONS IN MAIN CONTROL ROOMLAGUNA VERDE-1, Mexico
20-07-1995INES 0AMMONIA RELEASE FROM NEARBY CHEMICAL PLANTWATERFORD-3, United States of America
26-07-2018INES 1Am-241 source meltingFinnish steel factory, Finland
26-06-2018INES 1Am-241 source meltingFinnish steel factory, Finland
23-02-2012INES 1Am-241 source meltingOutokumpu Tornio Works, Finland
21-09-2018INES 1Am-241 source meltingFinnish steel factory, Finland
15-09-2018INES 1Am-241 source meltingFinnish steel factory, Finland
28-11-2020INES 1Am-241 meltingsFinnish steel factory, Finland
20-02-1991INES 0ADJUSTER ROD 24V DC FAILUREKALPAKKAM-2, India
18-05-1997INES 2Actuation of secondary shutdown system (SSS) on slow insertion of more than one rod of primary shutdown system (PSS)KAKRAPAR-1, India