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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
Plans to Mislead Grid Operators in Trader Transcripts
LCG, June 10, 2002--Transcripts of telephone conversations between energy traders at Xcel and Mirant Corp. in 2000 show communication concerning the supply of power to grid managers at the California Independent System Operator at the last minute.Conversations indicate intentionally false scheduling of transactions, and cases in which schedules were filed with the ISO, even though there were no plans to deliver power by the routes being indicated. By doing so, the traders could be paid to relieve congestion on the lines, congestion that had been created in part by artifical trades.The strategies discussed by traders at Xcel's Public Service Co. of Colorado and Southern Co. Energy Marketing (now Mirant) reflect strategies discussed in memos written by Enron attorneys. The transcripts came to light following the Federal Energy Regulatory Commission's request for documents relating to possible similarities between energy traders' behavior and practices named in the Enron memos. Prior to the filing, a number of companies, including Dynegy, CMS Energy, and Reliant, had admitted to false, round-trip trades, which might boost prices by causing the appearance of higher trading volumes and prices. The strategies in the recent transcripts are somewhat more complex.In a particular conversation from July 18, 2000, an Xcel trader is asked by a counterpart at Mirant if he would like "to do an ex-post type of game or you want to do a congestion type of game plus ex-post." The ex-post strategy indicates that power was to be supplied to the ISO at the last possible minute. Xcel went on record as having supplied Mirant with 300 megawatt-hours of energy for $277 per megawatt-hour. The following day, the ISO paid up to $500 per megawatt-hour, and in declaring a Stage 2 emergency, required some customers to be cut off from supplies temporarily.According to Paul Bonavia, president of Xcel's Energy Markets unit, "We did not overschedule. We did not manuipulate prices." Rules governing market participants' interaction the ISO required schedules with equal demand and supply, but "balanced" schedules" were not consistently demanded by the ISO, Mirant has said. The ISO in fact encouraged schedules that it knew would prove inaccurate in order for it to have power from Mirant when other resources did not materialize. Senator Joe Dunn, D-Santa Ana, said last month that the ISO had responded to manipulation by generators by manipulating the market itself.
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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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