Category Archives: Exelon

Wall Street Journal article says low gas prices may make nuclear power unprofitable‏

In an article appearing Tuesday in the Wall Street Journal, Rebecca Smith wrote:   “… today, U.S. utilities are encountering something they never expected: Some natural-gas-fired power plants are cheaper to run than nuclear units.”   While that is something that … Continue reading

Posted in Clinton, Crystal River, Duke Energy, Entergy, Exelon, FitzPatrick, Kewaunee, Nuclear Renaissance, Oyster Creek, Plant closures, San Onofre, Uncategorized | Tagged , | Leave a comment

Small victories are certainly better than big defeats; Exelon cancels plans to build new reactors at South Texas site

The site pictured above will remain as is for awhile, as Exelon announced this week that it was withdrawing its site application for two new reactors near Victoria, Texas. As the World Nuclear News reported yesterday: Exelon has completely stopped … Continue reading

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Record heat reduces nuclear output to 9-year low

Bloomberg Business Week reported yesterday: Nuclear-power production in the U.S. is at the lowest seasonal levels in nine years as drought and heat force reactors from Ohio to Vermont to slow output. Generation for the 104 plants in the U.S. … Continue reading

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Event Report: New Jersey nuke shuts down after losing offsite power

Early Monday morning, the Oyster Creek nuclear power plant in New Jersey declared an Unusual Event after losing offsite power. The reactor shut down automatically. The loss of power caused the start of the plant’s Emergency Diesel Generators. Offsite power was restored after … Continue reading

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Update: Limerick shutdown resulted in Technical Support System ventilation problems

Yesterday, operators at the Limerick nuclear power plant scrammed the Unit 1 reactor after an electrical problem knocked out the main generator recirculating water pumps. Today, plant owner Exelon filed an Event Report with the Nuclear Regulatory Commission that revealed … Continue reading

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Pennsylvania nuclear reactor shut down after losing power to main generator cooling pumps‏

Exelon announced that Unit 1 at the Limerick nuclear power plant was shut down earlier today after losing power to the main generator cooling pumps. There are not a lot of additional details available at this hour, and most of … Continue reading

Posted in Event Reports, Exelon, Limerick, Nuclear Regulatory Commission, Plant shutdowns, Reactor problems | Tagged , , , , , | Leave a comment

Former Exelon CEO says new nukes don’t make economic sense

Jeff McMahon just blogged this on Forbes: Nuclear power is no longer an economically viable source of new energy in the United States, the freshly-retired CEO of Exelon, America’s largest producer of nuclear power, said in Chicago Thursday. And it … Continue reading

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Event Reports: Illinois reactor suffers another loss of offsite power incident

Yesterday afternoon, operators at the Byron nuclear power plant in Illinois declared an Unusual Event due to a malfunction in the switchyard that caused the Unit 2 reactor to lose offsite power. Emergency diesel generators started following the incident, and … Continue reading

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Event Report: Operators scram Illinois nuke following turbine trip

The Unit 2 reactor at the Byron nuclear power plant in Illinois has been shut down since January 31, following a loss of offsite power incident. On Monday of this week, repairs had been completed, and operators were attempting to … Continue reading

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Event Report: Minnesota nuke leaked condensate containing tritium following pump failure

Yesterday afternoon, a condensate return pump failed at the Prairie Island nuclear power plant in Minnesota, releasing 27 gallons water. Prairie Island released an unusually detailed report of what the water contained: “The release contained the following chemicals: 1) 11.2 … Continue reading

Posted in Coolant leak, Event Reports, Exelon, Nuclear Regulatory Commission, Prairie Island, Radiation leak | Tagged , , , , , | Leave a comment