INES type: power-reactor

Legenda & explanation
date INES title location
1995-12-03INES 0UNIT COLD SHUT DOWN BECAUSE OF THE FLAW IN PIPELINE OF THE PRIMARY MAIN COOLANT PUMPUkraineZAPOROZHE-1
1991-10-02INES 2CONTAMINATION OF THE SECONDARY WATER DUE TO ERRORS OF THE SPECIAL WATER TREATMENT FACILITY PERSONNELUkraineZAPOROZHE-2
1991-12-30INES 2UNIT SHUTDOWN AS A RESULT OF SPURIOUS OPERATION OF THE FIRE EXTINGUISHING SYSTEM AND DUE TO FLOODING OF ESFAS PANELSUkraineZAPOROZHE-2
1998-11-10INES 2Workers exposure during weld testsUkraineZAPOROZHE-3
1991-02-13INES 0REACTOR SHUTDOWN DUE TO EXCESS HYDROGEN CONCENTRATION IN THE GENERATOR STATOR GAS TRAPUkraineZAPOROZHE-4
1992-04-19INES 0POWER UNIT UNLOADING DUE TO THE THIRD MAIN CIRCULATION PUMP (MCP-3) TURNING-OFF AS A RESULT OF FALSE OPERATION OF MAJOR PROTECTION SYSTEMUkraineZAPOROZHE-4
1994-01-12INES 2RADIOACTIVE CONTAMINATION IN AUXILIARY BUILDINGUkraineZAPOROZHE-4
1993-05-21[N/A]HYDROGEN IGNITION ON THE COOLING SYSTEM OF THE TURBOGENERATORUkraineZAPOROZHE-5
2014-11-28INES 0Event during operation of Zaporizhzhya NPP Unit №3UkraineZAPOROZHYE-3
1991-06-15INES 2TEMPERATURE TRANSIENT DURING START-UPUnited KingdomBRADWELL UNIT A
2018-12-31INES 2External corrosion affecting multiple systems on a power reactorUnited KingdomDUNGENESS B
2001-04-04INES 1Discovery of an Interlock Defeat applied to the Fuelling Machine d/P/dT Protection system without applicationUnited KingdomDUNGENESS-B1 UNIT A
2003-07-11INES 2Auto-trip of R21, following trip of Main Boiler Feed Pump, subsequent breach of Gas Circulator 22 Inlet Temp. limitUnited KingdomDUNGENESS-B1 UNIT A
2009-06-29INES 2Introduction of potentially moderating material to fuel routeUnited KingdomDUNGENESS-B1 UNIT A
1999-11-19INES 2Discovery of a crack in boiler superheater penetrationUnited KingdomDUNGENESS-B2 UNIT B
2021-07-22INES 2Automatic trip of both reactors following loss of off-site electric suppliesUnited KingdomHeysham 1 Power Station
2021-07-22INES 2Automatic trip of both reactors following loss of off-site electric suppliesUnited KingdomHeysham 1 Power Station
2002-03-11INES 2Consequential failure of Fuelling Machine Interlock at Buffer Storage TubeUnited KingdomHEYSHAM-1 UNIT A
1991-05-09INES 2ISOLATION OF FUEL OIL TO ESSENTIAL GAS TURBINESUnited KingdomHINKLEY POINT-B UNIT A
1998-12-27INES 2Loss of off-site power supplies at Hunterston B Power StationUnited KingdomHUNTERSTON-B1 UNIT A
1995-01-01INES 2Intake of radioactive material by workerUnited KingdomPFR DOUNREAY
1998-04-21INES 2Modification to main steam and main feed isolation valves leading to degradation of reactor protection systemsUnited KingdomSIZEWELL-A UNIT B
2005-12-22INES 0Activation of emergency plan support to Torness Power StationUnited KingdomTORNESS UNIT A
2023-11-15INES 2Partial loss of post-trip coolingUnited KingdomTORNESS-2
1993-07-31INES 2REFUELLING GRAB FAILURE AT WYLFAUnited KingdomWYLFA UNIT A