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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
Tennessee Valley Authority Issues RFP for 200 MW of Renewables
LCG, March 19, 2020--The Tennessee Valley Authority (TVA) issued a request for proposals (RFP) on March 13 to develop up to 200 MW of stand-alone renewable energy resources or renewable energy resources configured with battery energy storage systems (BESS). Solar resources must be tracking, and the projects must be commercially operational and providing power by September 29, 2023 or earlier.
In June 2019, TVA released its final 2019 IRP that provided further direction on how TVA can best deliver clean, reliable and affordable energy in the Valley over the next 20 years. The 2019 IRP recommends a solar expansion between 1,500 and 8,000 MW of solar by 2028 and up to 14,000 MW by 2038.
Proposals to the RFP are due to TVA by April 24, 2020, and the company is expected to announce the selected proposals in the fall of 2020.
Last month, TVA announced the addition of 484 MW of new contracted solar capacity since December. These five new projects resulted from TVA's April 2019 request for proposals for renewable energy projects that can be on line by the end of 2022.
"We are moving to contract large volumes of solar for our customers, whether it's for large business customers through the Green Invest program, or smaller businesses or residential customers who use our Renewable Energy Certificate programs to help offset their carbon footprint," said TVA's vice president of Commercial Energy Solutions. "TVA is pleased to bring renewable options to the table to help reach their sustainability goals."
One project includes 200 MWh (or 50 MW for 4 hours) of battery energy storage, which will make the solar power generated by this installation more efficient and able to be used when it is most valuable to the system.
Four additional projects have been contracted under TVA's new Green Invest program on behalf of large business and industrial customers. The first Green Invest agreement between TVA, Nashville Electric Service, Vanderbilt University, and Silicon Ranch for 35 MW of new solar for the university was announced in January.
"Large-scale solar projects, which cost 75% less than residential rooftop solar, deliver the best value for renewables in the Valley," said TVA's director of Origination and Renewables. "Green Invest is just one of the ways TVA is enabling the growth of large-scale renewable energy projects."
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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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