INES type: power-reactor

▸ Legenda & explanation
date INES title location
1997-08-17INES 1Automatic protection system disconnected during non nuclear heat up after refuellingSwedenRINGHALS-2
1992-08-17INES 0CRACKS IN FEED WATER NOZZLESSwedenRINGHALS-1
1993-01-23INES 0INSUFFICIENT CONTROL ROD FUNCTION DURING HOT START UP TESTSwedenRINGHALS-1
1993-02-28INES 0MINOR LEAKAGE IN A 32 MM VALVE BONNET SEALSwedenRINGHALS-1
1993-03-02INES 0MINOR LEAKAGE IN A 15 MM PIPE TO A PILOT VALVE IN THE PRESSURE RELIEF SYSTEMSwedenRINGHALS-1
1994-07-09INES 0RELEASE OF IODINE 131 FROM THE TURBINE SYSTEM AT RINGHALS 1SwedenRINGHALS-1
1987-11-20INES 2CRITICALITY SHUT DOWN MARGIN MEASUREMENT STARTED WITHOUT HYDRAULIC SCRAM SYSTEM BEING OPERABLESwedenOSKARSHAMN-3
1991-08-14INES 1DEVIATION FROM OPERATING INSTRUCTIONSSwedenOSKARSHAMN-2
1996-11-01INES 2One of the emergency core cooling systems - the core spray system - was unavailable at Oskarshamn-2SwedenOSKARSHAMN-2
1999-02-25INES 0Core instability occurred during maintenance performed in the switchyardSwedenOSKARSHAMN-2
2008-05-21[N/A]Small traces of explosives found in a security checkpoint near a NPPSwedenOSKARSHAMN-2
1990-10-01INES 1FAULTY WELD DETECTED ON PRIMARY CIRCUITSwedenOSKARSHAMN-1
1993-02-24INES 1CRACKS IN PIPEBENDS (ELBOWS) IN THE RESIDUAL HEAT REMOVAL SYSTEMSwedenOSKARSHAMN-1
1995-03-31INES 0CRACKS IN PUMP AND VALVE CASINGSSwedenOSKARSHAMN-1
1995-01-01INES 0CRACKS IN THE REACTOR CORE SHROUD IN THE LID OF THE SHROUD AND IN REACTOR VESSEL INTERNALSSwedenOSKARSHAMN-1
1995-01-01INES 1DESIGN DEFICIENCIES IDENTIFIED IN SEPARATION OF ELECTRICAL SYSTEM, AVOIDANCE OF COMMON CAUSE FAILURES IN THE REACTOR PROTECTION SYSTEM AND OVERPRESSURE RELEASE IN THE AUX BUILD.SwedenOSKARSHAMN-1
1995-08-26INES 1DESIGN DEFICIENCIES IN DIESEL GENERATORS FOUND DURING EXTENDED TESTINGSwedenOSKARSHAMN-1
1996-01-21INES 1A PART OF THE RESIDUAL HEAT REMOVAL SYSTEM - THE AUXILIARY CONDENSER - TEMPORARILY NOT AVAILABLESwedenOSKARSHAMN-1
1996-03-04INES 1FAILURE OF A CONTAINMENT ISOLATION VALVE AT A PERIODICAL TESTSwedenOSKARSHAMN-1
1994-06-15INES 1UNINTENTIONAL SLOW INSERTION OF ALL CONTROL RODSSwedenFORSMARK-3
2013-05-30INES 1EDG failed to start after unintentional loss of two phases on 400 kV incoming offsite supplySwedenFORSMARK-3
1991-09-10INES 1REVEAL OF INADVERTENTLY CLOSED MANUAL SERVICE VALVES AT VERIFICATION TESTS OF THE SCRAM SYSTEM BEFORE PREPARATIONS TO RESTARTSwedenFORSMARK-2
1995-07-15INES 1ONE CLOSED VALVE IN THE CONTAINMENT PRESSURE RELIEF LINE TO THE ATMOSPHERE AND TWO CLOSED VALVES IN THE VENTING LINE TO THE EMERGENCY FILTERSwedenFORSMARK-2
1997-05-16INES 1Degraded containment pressure suppression function during shutdown of reactor before outage periodSwedenFORSMARK-2
2006-07-25INES 1INES-rating due to earlier event at Forsmark 1 - Two emergency DG did not start when the unit was disconnected from the ordinary off-site gridSwedenFORSMARK-2