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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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Industry News
Duke Energy Seeks to Extend Operating License for Robinson Nuclear Plant
LCG, April 9, 2025--Duke Energy announced yesterday its submission of a subsequent license renewal (SLR) application to the U.S. Nuclear Regulatory Commission (NRC) for the Robinson Nuclear Plant, a 759-MW nuclear unit located near Hartsville, South Carolina. The application requests extending the plant's operations for an additional 20 years.
The Robinson Nuclear Plant commenced commercial operation in 1971 with a 40-year operating license. The license was first renewed by the NRC in 2004 for an additional 20 years of operation until 2030. The SLR, if approved, would extend operations until 2050.
"Renewing Robinson's operating license for a second time is a critical step in our commitment to providing reliable, always-on, cost-competitive power for our customers," said Duke's senior vice president and chief nuclear officer. "This extension will allow us to continue supporting our company's energy transformation and contributing to the local economy for decades to come."
Duke Energy sees carbon-free nuclear power as a critical component of its diverse energy mix. Nuclear power supplies more than half of the electricity consumed by Duke's Carolinas customers.
"Though the first nuclear plant to enter commercial operation in the southeast, Robinson is a modernized plant fully prepared for operations into midcentury," said the site's vice president. "We've invested approximately $1.7 billion into capital upgrades to our facility to enhance safety and efficiency."
The license renewal process requires a comprehensive analysis and evaluation to ensure the plant can safely be operated for the period of extended operation. Last month the NRC approved the SLRs for Duke Energy's three-unit Oconee Nuclear Station in Seneca, South Carolina, which will extend operating lives through 2053 and 2054. Moreover, Duke Energy stated that it intends to request SLRs for all 11 operating reactors in its nuclear fleet in order to support the company’s “all of the above” strategy to deliver a path to cleaner energy while protecting reliability and affordability for customers as regional electricity demand continues to grow.
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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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