LIMERICK PA – Exelon Nuclear‘s Limerick Generating Station (LGS) received federal government approval to produce more than 3 percent additional electricity than it currently generates, the Nuclear Regulatory Commission announced Monday (April 11, 2011).
LGS Units 1 and 2 each will be allowed to increase their power generating capacity by 1.65 percent, in part because Exelon successfully showed the commission that it could more accurately measure feedwater flowing to the equipment, representative Neil Sheehan of the commission’s King of Prussia PA office reported.
A “careful evaluation determined that Exelon could safely increase the reactors’ power output,” a commission press release said. That review included “the company’s analysis showing the plant’s design can accommodate the increased power level,” it said.
The commission said its safety evaluation of the plant’s so-called “power uprate” also focused on several areas, including the nuclear steam supply systems, instrumentation and control systems, electrical systems, accident evaluations, radiological consequences, fire protection, operations and training, testing, and technical specification changes.
LGS operates boiling-water reactors. The uprate increases each unit’s power generating capacity from about 1,189 to 1,205 megawatts of electricity. At Unit 1, the increase is expected to take effect within 90 days. At Unit 2, which is now undergoing a refueling outage, will take effect within 90 days of its completion.
Exelon applied for the uprate last year (2010).
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