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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

Wisconsin Power Line Project Approved

LCG, Nov. 24, 2003--An area of northern Wisconsin that has been associated with transmission congestion for at least three years has been approved for an $8.2 million transmission project to be built by American Transmission Co.

The 115-kilovolt line will connect Tomahawk and Rhinelander, following the go-ahead from the state's Public Service Commission. American Transmission Co., which was created three years ago, is the operator of transmission lines in both eastern Wisconsin and some of Michigan's Upper Pensinsula.

The congestion on the transmission path to Rhinelander was serious enough this past summer that diesel generators were connected by ATC and Wisconsin Public Service Corp. in order to prevent supply shortfalls. Actual construction of the line should start next fall, with operation planned to begin around June 2005.
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