At Constellation, we are committed to producing clean, safe and reliable energy for American homes and businesses for decades to come. To help ensure a clean and reliable future, we submitted license renewal applications and received extension approvals from the U.S. Nuclear Regulatory Commission (NRC) and the Federal Energy Regulatory Commission (FERC) for several of our generation sites.
NRC License Renewals for Nuclear Energy Sites
Nuclear energy plants in the U.S. are licensed to operate for 40 years. This term is based on the amortization period used by electric utility companies for capital investments, rather than safety, technical or environmental considerations. The Atomic Energy Act of 1954 permits nuclear plants to renew their operating licenses.
Many of our nuclear generation facilities have successfully renewed their licenses, allowing for decades of clean and reliable power generation.
FERC License Renewals for Hydroelectric Facilities
Preserving our generating capacity and electrical output is essential for delivering clean, emissions-free dispatchable power to our customers. FERC licenses for hydropower facilities are typically issued for a period of 40 to 50 years.
Braceville, Illinois
Constellation's license renewal application for this facility was approved by the NRC on January 27, 2016. With renewal complete, Braidwood Clean Energy Center Unit 1 is licensed through July 29, 2046, and Unit 2 is licensed through October 17, 2047.
Learn more about the Braidwood Clean Energy Center.
Byron, Illinois
Constellation's license renewal application for this facility was approved by the NRC on November 19, 2015. With renewal complete, Byron Clean Energy Center Station Unit 1 is licensed through September 16, 2044, and Unit 2 is licensed through August 2, 2046.
Learn more about the Byron Clean Energy Center.
Lusby, Maryland
Constellation's license renewal application for this facility was approved by the NRC on March 23, 2000. With renewal complete, Calvert Cliffs Clean Energy Center Unit 1 is licensed through 2034, and Unit 2 is licensed through 2036.
Learn more about the Calvert Cliffs Clean Energy Center.
Clinton, Illinois
Constellation's license renewal application for Clinton Clean Energy Center was approved by the NRC on Feb. 14, 2024. The application is currently under review.
Learn more about the Clinton Clean Energy Center.
Conowingo, Maryland
Constellation recently entered into a settlement with Waterkeepers and Maryland Department of the Environment for a Water Quality Certification that will support a new 50-year license from FERC to continue operating the Conowingo Dam. This license is a critical step forward for Chesapeake Bay restoration efforts and paves the way for long-term investments that will enhance water quality, fish and eel passage, aquatic habitats and debris removal. It also enables the continued operation of Maryland’s largest source of renewable energy, which generates safe, reliable power for tens of thousands of Maryland families and businesses.
Learn more about the Conowingo Hydroelectric Generation Station.
Morris, Illinois
The NRC approved initial license renewal for Dresden Clean Energy Center on October 28, 2004, authorizing operation for Unit 1 through December 22, 2029, and Unit 2 through January 12, 2031. Constellation submitted a subsequent license renewal application for Dresden to the NRC on April 17, 2024. The application is currently under review.
Learn more about the Dresden Clean Energy Center.
Oswego, New York
Constellation's license renewal application for this facility was approved by the NRC on September 8, 2008. With renewal complete, James A. FitzPatrick Clean Energy Center is licensed through 2034.
Learn more about the James A. FitzPatrick Clean Energy Center.
Marseilles, LaSalle County, Illinois
Constellation's license renewal application for this facility was approved by the NRC on October 19, 2016. With renewal complete, LaSalle Clean Energy Center Unit 1 is licensed through April 17, 2042, and Unit 2 is licensed through December 16, 2043.
Learn more about the LaSalle Clean Energy Center.
Limerick Township, Montgomery County, Pennsylvania
Constellation's license renewal application for this facility was approved by the NRC on October 20, 2014. With renewal complete, Limerick Clean Energy Center Unit 1 is licensed through 2044, and Unit 2 is licensed through 2049.
Learn more about the Limerick Clean Energy Center.
Drumore, Pennsylvania
Constellation received a 40-year license from FERC in 2016 to continue operating Muddy Run Pumped Storage Facility, allowing the hydroelectric plant to provide clean, renewable electricity to thousands of households in parts of south-central Pennsylvania and northern Maryland through 2055.
Learn more about Muddy Run Pumped Storage Facility.
Oswego, New York
Constellation's license renewal application for this facility was approved by the NRC on October 31, 2006. With renewal complete, Nine Mile Point Clean Energy Center Unit 1 is licensed through 2029, and Unit 2 is licensed through 2046.
Learn more about the Nine Mile Point Clean Energy Center.
Delta, Pennsylvania
Constellation's license renewal application for this facility was approved by the NRC on March 6, 2020. With renewal complete, Peach Bottom Clean Energy Center Unit 2 is licensed through 2033 and Unit 3 is licensed through 2034. Peach Bottom Clean Energy Center is co-owned by Constellation and Public Service and Gas of New Jersey.
Learn more about the Peach Bottom Clean Energy Center.
Cordova, Illinois
Constellation's license renewal application for this facility was approved by the NRC on October 28, 2004. With renewal complete, Quad Cities Clean Energy Center Units 1 and 2 are licensed through 2032.
Learn more about the Quad Cities Clean Energy Center.
Ontario, New York
Constellation's license renewal application for this facility was approved by the NRC on May 19, 2004. With renewal complete, R.E. Ginna Clean Energy Center is licensed through 2029.
Learn more about the R.E. Ginna Clean Energy Center.
