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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
NRG's El Segundo Energy Center Project Commences Operations
LCG, August 9, 2013--NRG Energy, Inc. (NRG) recently announced that commercial operation has commenced at its natural gas?fueled, combined-cycle generating facility at the El Segundo Energy Center, which is located near Los Angeles, California. Southern California Edison will obtain the entire output from the facility under a 10-year power purchase agreement (PPA) executed in 2008.
The new, 550-MW El Segundo Energy Center project supports the retirement of a less efficient, 335-MW steam boiler unit built at the site in 1964 that relied on once-through ocean water for cooling. The new facility is an air-cooled, combined-cycle facility that uses grey water and reduces the use of potable water at the site by nearly 90 percent. The new facility employs a fast-start design that delivers more than half of its generating capacity in less than 10 minutes and the balance in less than 1 hour. The rapid response capabilities are especially important in California, with its ever-growing use of intermittent, renewable resources.
"Our modernization efforts at El Segundo ideally complement California?s growth of intermittent renewable energy sources, such as wind and solar, in support of the State?s renewable portfolio standard while maintaining its tradition of being a good neighbor to the surrounding coastal communities," said the President of NRG Energy?s West Region. "In addition, we have worked with the community to improve the visual aesthetics of the site by incorporating native landscaping, installing a new picturesque sea wall, and affording improved coastal views with the lower profile of the plant."
The new generating capacity is a welcome addition this summer, given Southern California Edison's recent decision to not reactivate and to permanently retire Units 2 and 3 at its San Onofre Nuclear Generating Station (SONGS).
NRG purchased El Segundo Generating Station in the spring of 1998 as part of the California electric industry restructuring. The station was originally built in the 1950s by Southern California Edison.
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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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