Europe: Sweden

▸ Legenda & explanation
date INES title location
21-01-1996INES 1A PART OF THE RESIDUAL HEAT REMOVAL SYSTEM - THE AUXILIARY CONDENSER - TEMPORARILY NOT AVAILABLEOSKARSHAMN-1
17-08-1997INES 1Automatic protection system disconnected during non nuclear heat up after refuellingRINGHALS-2
28-07-1992INES 2CLOGGED PUMP SUCTION STRAINERS IN THE WET WELL POOLBARSEBECK-2
27-09-1997INES 2Closed valves in the containment spray pumps' suction lines during the non-nuclear phase of start-up after refuelingRINGHALS-4
21-09-2017INES 2Contamination event at research facilityStudsvik Nuclear AB
25-02-1999INES 0Core instability occurred during maintenance performed in the switchyardOSKARSHAMN-2
17-08-1992INES 0CRACKS IN FEED WATER NOZZLESRINGHALS-1
24-02-1993INES 1CRACKS IN PIPEBENDS (ELBOWS) IN THE RESIDUAL HEAT REMOVAL SYSTEMOSKARSHAMN-1
31-03-1995INES 0CRACKS IN PUMP AND VALVE CASINGSOSKARSHAMN-1
01-01-1995INES 0CRACKS IN THE REACTOR CORE SHROUD IN THE LID OF THE SHROUD AND IN REACTOR VESSEL INTERNALSOSKARSHAMN-1
20-11-1987INES 2CRITICALITY SHUT DOWN MARGIN MEASUREMENT STARTED WITHOUT HYDRAULIC SCRAM SYSTEM BEING OPERABLEOSKARSHAMN-3
07-10-2016INES 2Cyclotron operated with an open bunker doorUniversity Hospital of Umeå
16-05-1997INES 1Degraded containment pressure suppression function during shutdown of reactor before outage periodFORSMARK-2
12-06-1996INES 1Degraded pressure subpression (PS) functionBARSEBECK-2
01-01-1995INES 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.OSKARSHAMN-1
26-08-1995INES 1DESIGN DEFICIENCIES IN DIESEL GENERATORS FOUND DURING EXTENDED TESTINGOSKARSHAMN-1
14-08-1991INES 1DEVIATION FROM OPERATING INSTRUCTIONSOSKARSHAMN-2
15-11-1995INES 1DEVIATION FROM TECHNICAL SPECIFICATIONSRINGHALS-4
30-05-2013INES 1EDG failed to start after unintentional loss of two phases on 400 kV incoming offsite supplyFORSMARK-3
18-07-1996INES 1Erroneous line-up before start-up of vent pipe valves to the scrubber systemFORSMARK-1
20-09-2004INES 0Event at a Studsvik laboratory producing radioactive sourcesStudsvik Nuclear AB
23-11-2021INES 2Exposure of workers in excess of statutory annual dose limitsNorrköping
04-03-1996INES 1FAILURE OF A CONTAINMENT ISOLATION VALVE AT A PERIODICAL TESTOSKARSHAMN-1
01-10-1990INES 1FAULTY WELD DETECTED ON PRIMARY CIRCUITOSKARSHAMN-1
28-05-1991INES 1FUEL ASSEMBLY TILTED OVER DURING CORE LOADINGRINGHALS-2
02-01-2002INES 3High radiation levels measured on a package containing Iridium-192Studsvik Nuclear AB
12-10-1993INES 1IMPENETRABILITY TEST OF CONTAINMENT NOT APPROVEDBARSEBECK-2
08-09-1991INES 1INADVERTENT STEAM RELEASE INTO THE REACTOR HALL DUE TO STOP OF PUMP IN RESIDUAL HEAT REMOVAL SYSTEMBARSEBECK-2
20-06-2001INES 1Incorrect calculation of an algorithm in overload protection devices for local power distribution at Ringhals 2 NPP.RINGHALS-2
08-12-1992INES 1INCORRECT CONNECTION OF CABLES TO RELAYS IN SAFETY SYSTEMSRINGHALS-2