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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

PJM Submits Shipment Reliability Report

LCG, August 14, 2002-PJM Interconnection, responsible for reliability in the mid-Atlantic states, is developing methods to prevent inconsistencies between scheduled and delivered electricity and has submitted its report to federal regulators.

Last month PJM found that price signals were affected by misappropriated electricity, causing higher power prices. Energy companies had sent as much as 3,000 MW capacity by way of a western transmission line although none had been scheduled for the line. This inconsistency caused a $70 price gap between western and southern electricity in the region.

The names of the involved companies have not been released by PJM, but the grid operator has altered its market rules and is developing the Locational Marginal Pricing System, or LMP.

Until LMP is in place, which would put a premium on electricity sent to areas with generation or transmission limitations, PJM will use the rule changes it instated in July.

Since the discovery of the scheduled-delivered energy discrepancy, electricity sent between Mid-Atlantic and Midwest areas will have prices assigned to it at the boundary between the two regions' transmission control areas.

Those companies involved in sending electricity by way of unscheduled routes will not be prosecuted, according to PJM market monitoring unit manager Joseph Bowring.

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