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News
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LCG, July 29, 2025--The Tennessee Valley Authority (TVA) today reported third quarter fiscal year 2025 financial results, including $9.8 billion in total operating revenues on 121 billion kilowatt-hours of electricity sales for the nine months ending June 30, 2025. TVA reported total operating revenues had increased 11 percent over the same period last year, primarily due to higher rates and sales. TVA presented that sales of electricity increased 3 percent compared to the same period last year, primarily due to higher sales to residential and small customers, as well as increases within the data processing, hosting, and related services sector.
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LCG, July 24, 2025--The U.S. Department of Energy (DOE) today announced the next steps in the Trump administration’s plan to accelerate the development of AI infrastructure by using Federal lands to lower energy costs and help power the global AI race, as previously outlined in President Trump’s Executive Orders on Accelerating Federal Permitting of Data Center Infrastructure, Deploying Advanced Nuclear Reactor Technologies for National Security, and Unleashing American Energy.
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Industry News
Analysis of Summer Resource Adequacy in ERCOT
LCG, July 28, 2016--LCG Consulting releases its analysis of resource adequacy in Texas for high stress conditions in summer 2016.
Every year, the Electric Reliability Council of Texas (ERCOT) publishes reports on Seasonal Assessment of Resource Adequacy, or SARA. In it, ERCOT identifies scenarios to determine whether the Texas system can meet demand under a variety of challenging conditions. LCG has modeled these cases and offers an in-depth exploration into what happens with prices, congestion, and generation under the cases ERCOT presents in the 2016 summer assessment.
Using the advanced UPLAN-NPM modeling system, LCG extends ERCOT’s snapshot report of the summer season to delve more fully into system challenges and outcomes associated with such stress cases, including ramping constraints, Operating Reserve Demand Curve (ORDC) outcomes, pricing impacts, and unit commitment requirements.
LCG’s study models dispatch in the ERCOT region at five-minute intervals, instead of the more common hourly simulation. Modeling smaller slices more accurately captures the operation of the ERCOT system, including the sub-hourly ramping constraints of thermal units, which is particularly important under the SARA report stress cases.
The report relies on LCG’s UPLAN sub-hourly modeling capability as well as robust knowledge of all aspects of electricity transmission and generation in Texas, and decades of electricity modeling experience in the state.
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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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