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News
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LCG, December 18, 2025--RWE and Indiana Michigan Power Company (I&M), an American Electric Power (AEP) company, today announced their partnering to provide new wind power generation capacity online to meet Indiana’s growing electricity demand. The companies signed a 15-year power purchase agreement (PPA) for the total output from RWE’s 200 MW Prairie Creek wind project in Blackford County, Indiana. I&M will purchase electricity from the wind project, which will further diversify its portfolio and be consistent with its all-of-the-above strategy to secure generation for its rapidly growing electricity demand.
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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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Industry News
Mirant Says 600 Megawatts Face Emissions Shutdown
LCG, July 23, 2001Mirant Corp., which operates the 2,022 megawatt Pittsburg power plant it purchased from Pacific Gas & Electric Co., warned again Friday that emissions regulations may force it to shut down four units having a combined capacity of 600 megawatts.The result, combined with the opening two weeks ago of Calpine Corp.'s new 555 megawatt Pittsburg plant, would be a net loss to the state of 45 megawatts of much-needed generation in a city that regards power plants highly.Mirant said it had told the state in April that it would be forced to cease operating parts of the Pittsburg plant if it could not secure emissions waivers, but the warning apparently went unnoticed by state officials."That's pretty big news if they're going to shut it down indefinitely," said Stephanie McCorkle, a spokeswoman with the California Independent System Operator. "I haven't heard this. Obviously, we wouldn't want to see any megawatts go away."Even Steve Maviglio, the spokesman for Gov. Gray Davis, was surprised by the news. "It's significant, no doubt about it," he said. "We're going after every megawatt we can get. As a broad policy, as much power as we can keep on-line is beneficial until we can get new plants up and running."Mirant had planned to tear out some of the units at Pittsburg and replace them with 530 megawatts of new generation, but tabled those plans earlier this year, citing California's "hostile" business climate as exemplified by the governor's vilification of independent power producers.Now, the company has been ordered to cut nearly in half the average hourly nitrogen oxide emissions at Pittsburg and two other plants it owns in the San Francisco Bay Area. Faced with the massive investment in new emissions controls, coupled with the high operating costs of the old units, the company says it has little choice other than to shut down some generation."We're very serious about shutting them down" unless the company gets permission to exceed the emission limits, said Mark Gouveia, vice president and chief operating officer of Mirant's California division. "We're not going to violate the law to run them."
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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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