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News
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LCG, March 13, 2026--The Southwest Power Pool (SPP) announced yesterday that leaders from the participating organizations voted unanimously to proceed as planned with expanding its regional transmission organization (RTO) services into the Western Interconnection. SPP sees the decision to proceed as planned as a strong signal of confidence as SPP and its partner utilities prepare for this key milestone, which will occur overnight between March 31 and April 1.
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LCG, March 6, 2026--Entergy yesterday announced approximately $5 billion in total savings for 2.3 million customers in Arkansas, Louisiana and Mississippi resulting from data center customer agreements in those states. Entergy, which completed its first data center customer agreement in 2024, projects the customer savings over the next 20 years and after the regulatory approval or acknowledgement of the public service commissions in those states.
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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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