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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

EPA Proposal on Mercury Limits Under Review

LCG, Mar. 16, 2004--The administrator of the Environmental Protection Agency (EPA), Michael Leavitt, has told the White House that analyses of an administration proposal to limit mercury emissions from power plants burning coal could lead the EPA to put forth a more stringent set of emission reduction guidelines.

In December, the Bush administration introduced a plan that would allow power generators to buy and sell credits for releasing mercury, similar to the system with sulfur dioxide. Limits on mercury would gradually lower the permissible amount of emissions. Since Leavitt became the EPA administrator, he has been taking part in meetings focused on the possible impact of that proposal, and has begun to evaluate criticisms of it by some environmental groups, state regulators, and a group of doctors that sent a letter to an office of the EPA dealing with children's health issues.

The White House has come out in favor of allowing power plants that achieve reductions before limits make them legally binding to receive credit for the reductions later. Critics of the proposal believe that such a provision would in effect delay the reduction of the ultimate goal of a 70% reduction in mercury emissions for seven, and perhaps as many as ten or more years. The current deadline is set for 2018.

Leavitt has said that the EPA's analysis is not yet finished, and will proceed before any changes are introduced to the original proposal. Coal-burning power plants are a major contributor to mercury emissions, and are thought to make up 40 per cent of the annual total caused by human activity.
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