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News
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LCG, September 12, 2025--Entergy announced yesterday that the Public Utility Commission of Texas (PUCT) approved Entergy Texas’ proposal to build two efficient natural gas-fired power plants to support the region’s rapid growth. The combined electric generating capacity of the two facilities, the Legend Power Station and the Lone Star Power Station, will add over 1,200 MW to the Southeast Texas power grid to support new customer demand, increase reliability and lower costs for all customers. Both facilities are scheduled to commence operations by mid-2028.
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LCG, September 4, 2025--Puget Sound Energy (PSE) announced yesterday that phased construction has commenced on its 142-MW Appaloosa Solar Project, a utility-scale solar facility underway in southeastern Washington. The project is being built by Qcells EPC, who will serve as the module manufacturer and the engineering, procurement, and construction (EPC) solution provider. Construction is scheduled through 2026, and commercial operation is expected at the end of next year.
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Industry News
SONAT and Southern Move Forward with Pipeline Expansion Plans
LCG, February 7, 2007--Southern Natural Gas (SNG), a subsidiary of El Paso Corporation, announced Monday that it has reached an agreement with Southern Company Services, a Southern Company affiliate, to expand SNG's system capacity by up to 367 MMcf/day to serve a proposed, gas-fired power plant near Atlanta, Georgia. The expansion will receive gas supplies from both north Louisiana and SNG's Elba Island LNG facility.
The pipeline expansion project will be built in phases, with the initial operational date to occur before December 1, 2010. The estimated cost of the pipeline project is $360 million. SNG plans to submit a certificate application with the Federal Energy Regulatory Commission (FERC) early next year.
According to the announcement, Southern Company Services will execute a 15-year firm transportation agreement with SNG to serve the proposed electric generating station from a new delivery point on SNG's pipeline system, and the location is to be determined by Southern Company Services no later than December 1, 2007.
In November of last year, Georgia Power, another subsidiary of Southern Company, announced its plan to replace its coal-fueled Plant Jack McDonough, located near Atlanta, Georgia, with an 800-MW, natural gas-fired unit. The replacement with combined-cycle units would substitute relatively clean-burning natural gas for coal and avoid the substantial additional investment by Georgia Power in new emission control equipment for the aging coal-fired units at the site.
Georgia Power previously proposed adding two other gas-fired units at the site. In total, 2,400 MW of gas-fired capacity is planned at the site. Assuming timely approval of the proposed new generating facilities, Georgia Power expects construction to begin in 2008 and the new units to commence operations in late 2010, with the entire project complete by 2012.
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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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