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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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Press Release
EIA Releases Study on Drought Effects on California Electricity Generation and Power Market using UPLAN Model
LCG, June 6, 2022 – California is experiencing more frequent and intense drought conditions. One effect of droughts is the reduction in hydropower. In its Short-Term Energy Outlook (STEO), the U.S. Energy Information Administration assumes that monthly generation in the future follows average historical patterns to forecast California's hydroelectric generation. However, cyclic drought conditions demand an alternative approach to modeling hydropower, with more hydrological variables included to account for highly variable hydro conditions. Growth in intermittent generating capacity also magnifies the impact of droughts on power markets. In light of this, EIA performed this study as a supplement to STEO using LCG Consulting’s UPLAN model.
Six major hydropower projects in California are modeled for the critical summer months from June to September using detailed information about water and reservoir storage conditions. These hydropower projects have the biggest influence on the overall hydroelectric generation in California. EIA examines two cases: a median case assuming median water supply between 1980 and 2020 and a drought case representing the current year.
EIA found in the drought case, California's summer hydroelectric share of generation mix was nearly halved from 15% to 8%, with the reduction in generation offset by electricity from neighboring markets and in-state natural gas generation. Increased natural gas generation contributed to higher electricity prices and CO2 emissions. On-peak prices in Northern California increased by 7% relative to the median case, and Southern California by 5%.
The UPLAN model incorporated natural inflow to each hydropower project with initial reservoir inventory, and EIA used this information to produce forecasts of hourly generation.
EIA study link: https://www.eia.gov/outlooks/steo/special/supplements/2022/2022_sp_02.pdf
See previous press release for more on EIA's modeling work using the UPLAN model.http://energyonline.com/Industry/News.aspx?NewsID=25086&EIA_Publishes_Regional_Electricity_Supply_and_Pricing_Forecasts_Using_UPLAN_Model_
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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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