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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
Cost Estimate Up for Duke's New Nuclear Power Station
LCG, November 5, 2008--Duke Energy Carolinas informed the North Carolina Utilities Commission that the estimated cost to build the proposed William States Lee, III Nuclear Station in South Carolina has risen to $11 billion, or approximately double the original estimate, excluding financing. The new power plant is scheduled to be operational in 2018 in order to meet Duke Energy Carolina's forecast growth in electric demands.
Duke proposes to install two 1,117-MW reactors and to use Westinghouse Electric's AP1000 design, which incorporates passive safety features. The Nuclear Regulatory Commission (NRC) approved the Design Certification on December 30, 2005.
Last February Duke received notification from the NRC that the combined construction and operating license (COL) application for Lee Nuclear Station submitted December 2007 was accepted and docketed.
Duke's COL application relies upon the COL application to build two nuclear reactors at TVA's Bellefonte site in northern Alabama that was submitted October 31, 2007 to the NRC by the Tennessee Valley Authority (TVA) and NuStart Energy, a consortium of nuclear energy companies that includes Duke.
Other companies that have announced the selection of the AP1000 design as the basis for additional COL applications to construct reactors include Progress Energy, Southern Company, SCANA and Santee Cooper.
Duke's proposal is relatively unique for the United States in that Duke plans to build the reactors at a greenfield site, rather than to add capacity at an existing nuclear power station. The greenfield site is located in Cherokee County, South Carolina.
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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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