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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

Nuclear Agency Says Accidents Unlikely to Rupture Yucca Casks

LCG, May 13, 2004--The Nuclear Regulatory Commission has established a plan for testing casks that would be used to transport and store nuclear waste at Nevada's Yucca Mountain, according to a memo described by the Las Vegas Review-Journal.

The tests will include having casks of various designs put onto a 150-ton shipping container, which would be subjected to a crash at 75 mph. Casks will also be exposed to "fully engulfing" fire.

The NRC will not intentionally cause the casks in the tests to undergo sufficient damage leading to failure, based on its conclusions that casks could not realistically fail in scenarios it has anticipated could occur.

Nevada officials have said that more extensive tests would be needed to establish the safety of the casks, including stress testing.
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