Extended Power Uprate
During an extended power uprate test on March 5, 2002 (designed to extend the power efficiency of existing BWR reactors), Quad Cities Unit 2 began to experience vibrations in a steam line. On March 29 the plant was manually shut down due to high vibrations causing leaks in the main turbine control system. Unit 2 was restarted on April 2, but vibration broke a main steam pipe drain line. The line was repaired and the restart resumed, but by June 7 the main steam lines were showing unexplained aberrations. The plant was again taken offline for repairs on July 11, and the problem was traced to a hole in the steam dryer. The steam dryer was repaired and Unit 2 was restarted on July 21, 2002. The incident did not result in any increased probability of an accident. The NRC inspected all repairs and the extended power uprate was completed successfully.
| Unit 1 | |||||
|---|---|---|---|---|---|
| Nuclear system supplied by General Electric Company (U.S.) | |||||
| Capacity Net MW(e) |
Generation in 2003 Megawatt-hours |
Capacity Factor |
Type | On-line Date |
License Expiration Date |
| 912 | 5,709,520 | 90.6% | BWR-3 | Dec. 14, 1972 | Dec. 14, 2032 |
| Unit 2 | |||||
| Nuclear system supplied by General Electric Company (U.S.) | |||||
| Capacity Net MW(e) |
Generation in 2003 Megawatt-hours |
Capacity Factor |
Type | On-line Date |
License Expiration Date |
| 912 | 6,956,073 | 92.7% | BWR-3 | Dec. 14, 1972 | Dec. 14, 2032 |
Read more about this topic: Quad Cities Nuclear Generating Station
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