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NRC Renews Operating Licenses for Constellation's Nuclear Reactors at Clinton and Dresden Facilities

LCG, December 16, 2025--The Nuclear Regulatory Commission (NRC) announced today that it has renewed the operating licenses of Constellation LLC’s Clinton Unit 1 in Clinton, Illinois, and Dresden Units 2 and 3, near Morris, Illinois, for an additional 20 years beyond the current expiration dates. The combined capacity of these three, Illinois-based nuclear units is 2,925 MW, and the operating license extension will enable the units to generate carbon-free power through about 2050.

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ERCOT Announces Organizational Changes to Promote Grid Reliability, Rapid Demand Growth, and Innovation

LCG, December 12, 2025--Today, the Electric Reliability Council of Texas, Inc. (ERCOT) announced strategic organizational changes designed to accelerate innovation, strengthen grid reliability, and support the unprecedented growth in the demand for electricity across Texas. To meet these objectives, ERCOT created two new organizations: Interconnection and Grid Analysis, and Enterprise Data and Artificial Intelligence (AI). The two organizations will formally launch in January 2026.

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Industry News

NRC Approves License Transfers in Unicom-Peco Merger

LCG, Aug. 7, 2000--The Nuclear Regulatory Commission said Friday it has approved the transfer of operating licenses for 20 commercial nuclear reactors from Commonwealth Edison Co. and Peco Energy Co. to Exelon Generation Co.

Exelon Generation will be a subsidiary of the new holding company formed by the pending merger between ComEd and Peco.

Affected by the approval are 13 ComEd reactors, including two at the permanently-shuttered Zion plant and the Dresden Unit 1 reactor, which is also permanently shut down. Five Peco reactors are affected, including Peach Bottom Unit 1, which is permanently shut down.

Salem Units 1 and 2 were also affected by the approval because Peco has an ownership interest in them, though they are operated by Public Service Electric & Gas Co.

The NRC said notices of the requests for approval and for an opportunity for a hearing were published in the Federal Register on March 9. The Commission received no comments or hearing requests. The technical staff's approval becomes effective immediately.

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