Incidents
In the early morning hours of Sunday January 6, 2008, Unit B of the Gundremmingen Nuclear Power Station was shut down as a precaution. The reason was an approximately 3% reduction in output by one of the low-pressure turbines; that corresponds to approximately 40 megawatts of output. The cause was a defective weld in a pipe, through which steam was reaching the condenser directly, without passing through the turbine rotors. To determine the cause of the drop in performance and repair the damage as well as to prevent any possible effects on the turbine, the unit was powered down. On January 8, the problem with the weld was corrected. The reduction in performance by the turbine had no safety implications for the assembly or the environment surrounding the plant. It was not subject to mandatory reporting. The reactor went back online on January 12.
During 2007, the oversight agency was informed of a total of nine incidents (5 in Unit B, 4 in Unit C). All were deemed "insignificant in terms of safety." Emissions of radioactive substances had in all cases remained under the permitted threshold, according to an annual statement to the press in 2008 by the technical supervisor, Dr. Helmut Bläsig.
| INES Events | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 |
|---|---|---|---|---|---|---|
| INES 0 Gundremmingen B | 4 | 4 | 1 | 3 | 5 | 5 |
| INES 0 Gundremmingen C | 3 | 1 | 3 | 4 | 4 | 5 |
| INES 1 Gundremmingen B | 0 | 0 | 0 | 0 | 0 | 0 |
| INES 1 Gundremmingen C | 0 | 0 | 0 | 0 | 0 | 0 |
Read more about this topic: Gundremmingen Nuclear Power Plant
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“An element of exaggeration clings to the popular judgment: great vices are made greater, great virtues greater also; interesting incidents are made more interesting, softer legends more soft.”
—Walter Bagehot (1826–1877)