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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
Illinois Power to Quit Midwest ISO, Join Alliance RTO
LCG, Sept. 21, 2000--Illinois Power Co. said yesterday it would quit the Midwest Independent System Operator and join the Alliance Regional Transmission Operator, pending approval from necessary regulatory bodies including the Federal Energy Regulatory Commission.The company said it expects its withdrawal from MISO to be effective no later than December of next year, but the Midwest grid operator isn't so sure. MISO, however, offered no reasons why it expected the change to be delayed.Illinois Power, which was one of the original nine utilities that formed MISO in January 1998, said one reason for the change was that membership in Alliance would provide "greater flexibility and cost savings while maintaining reliability in moving large amounts of electricity across the nation's transmission grid."Another important consideration, Illinois Power said, is the fact that many members of Alliance operate in states that have electric choice, unlike most MISO members. Kathy L. Patton, general counsel for the utility, said "Now, with continued experience in the developing marketplace, membership in MISO is no longer the best option for (Illinois Power) and its customers."A third consideration could be that the Alliance RTO plans to earn a profit on its operations.Withdrawal from the nonprofit MISO is permitted members whose ownership of transmission assets changes. That condition was met with the merger of Illinois Power's parent holding company, Illinova Corp., with Dynegy Inc.
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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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