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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
State Commission Approves Construction of AEP's IGCC Plant in West Virginia
LCG, March 7, 2007--The West Virginia Public Service Commission issued an order yesterday granting the application of Appalachian Power Company (APCO) for a Certificate of Public Convenience and Necessity (CPCN) to construct and operate a 629 MW Integrated Gasification Combined Cycle (IGCC) electric generating unit adjacent to its Mountaineer Generating Station in Mason County, West Virginia. APCO is a subsidiary of American Electric Power (AEP).
The IGCC process converts coal into a synthesis gas to fuel a combustion turbine generator. The hot exhaust gas from the turbine heats water to produce steam to power a steam turbine and generate electricity a second time.
In 2005 AEP signed an agreement with GE Energy and Bechtel Corporation to develop the engineering and design process for a coal-fired, power plant using an IGCC design. (GE Energy purchased the ChevronTexaco gasification technology business, whose technology has been applied to a number of IGCC power plants.)
The order includes a condition that requires APCO to file a revised project cost estimate no later than January 1, 2009. When the IGCC Project cost has been fine tuned under the GE/Bechtel contract, if the revised cost exceeds the $2.23 billion estimate in the Application, APCo is required to file for an amendment to the Certificate advising the Commission of the higher contract price prior to proceeding.
The Commission's order also includes a requirement that APCO must file an affidavit evidencing its commitment to use coal produced in West Virginia for no less than 75 percent of the fuel requirements of the plant within ten days of the date of the order.
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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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