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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

Mirant Plans 894 Megawatts for Wisconsin

LCG, March 16, 2001--Mirant Corp. said this morning it plans to build an 894 megawatt natural gas-fueled merchant power plant near the town of Plover, Wisc., about 30 miles south of Wausau.

"The proposed Portage County plant would serve the central Wisconsin area and have access to regionally interconnected power pools in all or part of 12 Midwest states and central Canadianprovinces," explained Richard J. Pershing, president of Mirant Americas.

Two units of the plant, with a combined capacity of 586 megawatts, would be configured for combined cycle operation as a baseload facility while four others, totaling 308 megawatts of output, would be simple cycle turbines operated as peaking units.

The power plant is expected to be built on 54 acres of land in an industrial corridor. Assuming timely completion of appropriate state and local permitting, Mirant plans to have the power plant working by 2003.

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