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News
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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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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
EIA Issues Summary of Planned Power Generation Retirements for 2025
LCG, February 25, 2025--The EIA today issued an analysis of planned utility-scale power generation retirements in 2025. Total retirements for the U.S. are estimated to be 12.3 GW, a significant increase relative to 2024, when 7.5 GW of capacity was retired.
In 2025, planned coal-fired electric generation capacity retirements total 8.1 GW, which accounts for two-thirds of planned retirements (66%), followed by natural gas-fired (21%) and petroleum-fired (13%) facilities.
The largest planned coal plant retirement for 2025 is the 1,800-MW Intermountain Power Project (IPP) in Utah, where an 840-MW natural gas (and hydrogen) fueled combined-cycle power block is planned to commence operations this summer. Two other planned large coal plant retirements are J H Campbell (1,331 MW) in Michigan and Brandon Shores (1,273 MW) in Maryland.
Natural gas-fired planned unit retirements in 2025 are primarily simple-cycle turbine units, which have a low efficiency. In addition, old, inefficient steam units, like V H Braunig Units 1, 2, and 3 (859 MW) in Texas and Eddystone Units 3 and 4 (760 MW) in Pennsylvania, are planned for retirement in 2025.
Looking into the future, planned retirements are not necessarily a given. For example, Georgia Power, a Southern Company subsidiary, recently filed its 2025 Integrated Resource Plan (IRP) with the Georgia Public Service Commission (PSC). To maintain reliable and economical electric service, Georgia Power stated it must continue to invest in its foundational resources, which includes continuing the operation of coal-fired Plant Bowen Units 1-4, and extending the operation of approximately 1,100 MW at Plants Scherer (coal-fired) and Gaston (natural gas-fired) beyond the previous target of December 31, 2028 to 2034 or later.
The uncertainty in unit retirements has increased in part due to the election results and the new Administration, which has goals to demonstrate national energy dominance, reduce regulatory hurdles and accelerate growth in the U.S. economy (which would increase the demand for electricity). Furthermore, the new Administration supports the development and production of fossil fuels and may reduce support to renewable power.
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UPLAN-NPM
The Locational Marginal Price Model (LMP) Network Power Model
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UPLAN-ACE
Day Ahead and Real Time Market Simulation
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UPLAN-G
The Gas Procurement and Competitive Analysis System
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PLATO
Database of Plants, Loads, Assets, Transmission...
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