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NRC Renews Operating Licenses for Constellation's Nuclear Reactors at Clinton and Dresden Facilities

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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ERCOT Announces Organizational Changes to Promote Grid Reliability, Rapid Demand Growth, and Innovation

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

COVID-19 Simulation Results for ERCOT 2020 - a Comparison to Business as Usual Case

LCG, April 23, 2020 -- The COVID-19 pandemic is having a profound impact on daily life and the economy, from affecting which businesses are allowed to operate, to influencing international oil prices. States and major cities in the US are instituting quarantines, along with shelter-in-place directives, to contain the spread of COVID-19. Power markets will likely deviate from their business-as-usual scenario as a result of decline in power demand and fuel prices.

Both the business as usual (bau) and the COVID-case were simulated using UPLAN Net-Work Power model, and the main results are published in this report .The readers can download the the report directly.

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UPLAN-NPM
The Locational Marginal Price Model (LMP) Network Power Model
Uniform Storage Model
A Battery Simulation Model
UPLAN-ACE
Day Ahead and Real Time Market Simulation
UPLAN-G
The Gas Procurement and Competitive Analysis System
PLATO
Database of Plants, Loads, Assets, Transmission...
CAISO CRR Auctions
Monthly Price and Congestion Forecasting Service