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News
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LCG, May 14, 2026--The U.S. Environmental Protection Agency (EPA) announced today that it is proposing a rule to revise wastewater limits, known as effluent limitations guidelines (ELG), for steam electric power plants that will help improve grid reliability and lower electricity prices while continuing to support clean and safe water resources. If finalized, the EPA's proposal is estimated to reduce electricity generation costs by as much as $1.1 billion annually, which could provide cost-savings to American consumers.
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LCG, May 14, 2026--The U.S. Department of Energy (DOE) today announced the selection of eight companies to support the near-term deployment of advanced light-water small modular reactors (SMRs) in the United States. The DOE states that awardees will collectively receive more than $94 million in Federal cost-shared funding to spur additional Gen III+ SMR deployments by addressing key gaps that have hindered the domestic nuclear industry in licensing, supply chain, and site preparation.
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Industry News
LG&E and KU Authorized to Exit Midwest ISO
LCG, June 2, 2006--The Kentucky Public Service Commission (PSC) on Wednesday authorized Louisville Gas & Electric Co. (LG&E) and Kentucky Utilities Co. (KU) to withdraw from the Midwest Independent System Operator (MISO), the regional electric system operator that had a service territory extending from eastern Montana through the upper Midwest - including Manitoba - and south to parts of Kentucky and Missouri.
In a two-to-one vote, the PSC ruled that the exodus from the MISO would reduce costs and maintain local control over key aspects of the utilities? operations. In dissenting, Chairman Mark David Goss stated that the withdrawal would leave Kentucky in a weak position to influence electric policy during the inevitable regionalization of transmission assets and markets.
On March 17, 2006, the Federal Energy Regulatory Commission (FERC) granted conditional approval to LG&E and KU to withdraw from the MISO. The PSC's authorization enables both utilities to proceed with the withdrawal from the MISO.
LG&E and KU plan to resume control over their transmission facilities. The utilities propose to use the Tennessee Valley Authority (TVA) to provide transmission reliability coordination services and to use the Southeast Power Pool (SPP) to address electric power marketing rules. Agreements with TVA and SPP are the subject of current, separate proceedings before the PSC.
LG&E and KU became members of the MISO in 1998. The MISO formally began commercial operations of its new, Day-Ahead and Real-Time electricity markets on April 1, 2005. Elements of the new market design include centralized, security-constrained unit commitment; security-constrained economic dispatch; locational marginal pricing (LMP); and a market for financial transmission rights (FTRs).
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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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