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News
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LCG, April 13, 2026--The EIA today released an "In-brief Analysis" of U.S. coal-fired generating capacity retirements in 2025. A highlight of the analysis is that, during 2025, the electric power sector retired 2.6 GW of coal-fired generating capacity at four power plants, which is (i) the least since 2010 and (ii) 5.9 GW less than the planned retirement of 8.5 GW at the beginning of 2025.
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LCG, April 10, 2026--The U.S. Environmental Protection Agency (EPA) announced yesterday a rule proposing several revisions to the federal regulations governing the disposal of coal combustion residuals (CCR) and the beneficial use of CCR. The EPA designed the rule to encourage resource recovery, allow for site-specific considerations in permitting, and provide regulatory relief while continuing to protect human health and the environment. The EPA will be accepting comments on the rule for 60 days after publication in the Federal Register, and it will also hold an online public hearing on the rule.
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Industry News
Duke Energy Celebrates New Combined Cycle Facility at W.S. Lee Station
LCG, June 6, 2018--Duke Energy celebrated on Friday the opening of the 750-MW combined-cycle natural gas plant at the W.S. Lee Station in Anderson County, South Carolina. The new electric generation facilities began serving customers on April 5, 2018. The Public Service Commission (PSC) of South Carolina approved the $700 million project in 2014, and construction of the new plant started in March 2015. The North Carolina Electric Membership Corp. owns 100 MW of the unit's energy capacity.
The chairman, president and CEO of Duke Energy stated, "Highly efficient natural gas plants - like W.S. Lee - are helping us deliver a cleaner, smarter energy future for our customers. South Carolina is important to Duke Energy, and new investments like this further our commitment to power this community with reliable, affordable energy - while continuing to be a partner that's helping prepare the region for future growth."
The W.S. Lee Station has delivered power to the region since 1951. Duke Energy closed two coal-fired units at the W.S. Lee Station in 2014 and converted a third coal unit to natural gas in 2015. The company now no longer operates any coal plants in South Carolina.
The new combined-cycle natural gas facilities at W.S. Lee Station will generate energy more efficiently and release significantly lower emissions than coal-fired units. For example, nitrogen oxides, sulfur dioxide and other emissions are expected to drop by 87 percent overall in comparison to the station's previous coal-fired operation.
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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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