Exelon Generation's Pennsylvania nuclear facilities operated reliably this summer and are now refueled and ready to take on winter weather. Coming off one of their best seasons ever for outage performance, all three Exelon Generation Pennsylvania nuclear stations completed comprehensive winter readiness activities this year to make them even more reliable and resilient as temperatures drop and demand for power rises.

"We prepare for winter all year long," said Bryan Hanson, Exelon Generation's Chief Nuclear Officer. "We executed our 2017 refueling outages flawlessly and successfully completed a host of 'winter readiness' maintenance activities to keep our fleet of nuclear power facilities online when they are needed most."

Exelon Generation's Pennsylvania fleet of five reactors at three locations are operating more than 90 percent of the time. This metric, called capacity factor, is a key industry performance indicator and Exelon Generation is ready to continue this record of outstanding performance this winter. No other large-scale carbon-free power source comes close to matching this level of reliability.

Exelon Generation workers spend months ensuring that backup generators and redundant equipment are ready for inclement weather. This fall, operators and maintenance personnel inspected freeze protection systems, tested electrical equipment, and properly aligned plant systems to prepare all Exelon Generation facilities for sub-zero temperatures, icy conditions and heavy snowfall. These efforts are in addition to the many equipment upgrades performed during refueling outages.

Exelon Generation, a subsidiary of Exelon Corporation (NYSE: EXC), is one of the largest, most efficient clean energy producers in the U.S., with a generating capacity of more than 35,500 megawatts. Exelon Generation operates the largest U.S. fleet of carbon-free nuclear plants with 20,300 megawatts of capacity from 23 reactors at 14 facilities in Illinois, Maryland, New Jersey, New York and Pennsylvania. Exelon Generation also operates a diverse mix of wind, solar, landfill gas, hydroelectric, natural gas and oil facilities in 18 states with more than 15,200 megawatts. Exelon Generation has an industry-leading safety record and is an active partner and economic engine in the communities it serves by providing jobs, charitable contributions and tax payments that help towns and regions grow. Follow Exelon Generation on Twitter @ExelonGen, view the Exelon Generation channel on YouTube, and visit: http://www.exeloncorp.com/companies/exelon-generation .

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