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News
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LCG, December 16, 2025--The Nuclear Regulatory Commission (NRC) announced today that it has renewed the operating licenses of Constellation LLC’s Clinton Unit 1 in Clinton, Illinois, and Dresden Units 2 and 3, near Morris, Illinois, for an additional 20 years beyond the current expiration dates. The combined capacity of these three, Illinois-based nuclear units is 2,925 MW, and the operating license extension will enable the units to generate carbon-free power through about 2050.
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LCG, December 12, 2025--Today, the Electric Reliability Council of Texas, Inc. (ERCOT) announced strategic organizational changes designed to accelerate innovation, strengthen grid reliability, and support the unprecedented growth in the demand for electricity across Texas. To meet these objectives, ERCOT created two new organizations: Interconnection and Grid Analysis, and Enterprise Data and Artificial Intelligence (AI). The two organizations will formally launch in January 2026.
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Press Release
ERCOT Wind Expansion: Impact on Energy and Ancillary Service Markets
LCG, October 05, 2016--LCG Consulting has released its latest report Market Effects of Wind Penetration in ERCOT: How Wind Will Change the Future of Energy and Ancillary Service Prices. In this study, LCG investigates the system-wide impacts on the ERCOT market of three levels of wind capacity expansion in the year 2021, with particular emphasis on energy and ancillary service prices.
The nodal market simulations for this study were performed at the five-minute dispatch level using LCG’s UPLAN Network Power Model (NPM) and PLATO-ERCOT data model to capture the intermittent nature of renewable energy. UPLAN is a fully integrated model; that is the dispatch, transmission load flow, contingencies, curtailments, and ancillary services deployment are all resolved simultaneously.
The unprecedented growth of wind power in recent years has had a profound impact on the ERCOT market. With growth expected to continue, LCG’s report offers market participants a view of what can be expected as wind capacity continues to expand. Read Executive Summary of the report.
To request the full report please contact julie.chien@energyonline.com
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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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