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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

Cal-ISO Appoints Itself Power Plant Watchdog

LCG, Nov. 30, 2001--The California independent System operator, which has had trouble explaining its role to the Federal Energy Regulatory Commission, has decided to appoint itself watchdog for power plant maintenance and availability in California.

Cal-ISO's board of governors decided yesterday that the agency should set up strict maintenance standards and an enforcement program to make sure owners keep their power plants in good shape and able to deliver electricity whenever the ISO says to do so.

Cal-ISO will have to ask FERC's approval to begin the program next spring.

Power producers and possibly FERC could find objectionable a part of the Cal-ISO plan that would permit it to conduct "surprise" inspections of power plants to make sure maintenance routines are being followed. The cops can't inspect your home without a warrant.

The maintenance standard would be based on records kept by the state's three investor-owned utilities when they owned the plants.

"If you bought a used car, you'd sure like to get the maintenance records and the owner's manual with it," said Phil Pettingill, manager of transmission facilities for the ISO. The analogy won't wash.

If we bought a used car, we'd like the maintenance records and the owner's manual, but we wouldn't share them with a state bureaucrat who wanted to tell us when to drive the car.

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