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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

DPL Joins Alliance RTO

LCG, Dec. 1, 2000--DPL Inc., parent company for Dayton Power & Light Co., said this morning that it had completed the paperwork and was now official a member of the Alliance Regional Transmission Organization.

"The Alliance RTO will maintain the reliability and affordability that has been built into the DPLsystem over the last ninety years," said Allen Hill, chief executive of the utility holding company. "We reviewed a number of alternatives and decided that the Alliance RTO was the best option for our customers."

Alliance is growing rapidly. Ameren Corp. last month joined Commonwealth Edison Co. and Illinois Power Co. in shifting from the Midwest Independent System Operator to Alliance.

In total, Alliance members own more than 50,000 miles of transmission lines serving 35 million customers over a 140,000 square mile area, DPL noted.

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