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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

Summer Reserves for California Adequate

LCG, June 10, 2002--The California Independent System Operator reports that it has had less power than needed to achieve a 15 percent reserve margin, but so far, the margin of 7 percent has been adequate to stave off rolling blackouts.

In order to be at 7 percent or above, the ISO had to ask some generators to put off scheduled maintenance last week until after periods of elevated air-conditioning demand passed.

Some conservation that started with the onset of the 2000 power crisis seems more or less permanent, but some financial incentives have also been provided. A vote by the Legislature renewed the 20/20 program, which gives a 20% refund to households that keep usage 20% below their consumption of power in the 2000 summer season. Conservation may help, but according to the ISO, 1,500 new megawatts of generation will be needed annually to keep pace with new demand.
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