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News
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LCG, April 13, 2026--The EIA today released an "In-brief Analysis" of U.S. coal-fired generating capacity retirements in 2025. A highlight of the analysis is that, during 2025, the electric power sector retired 2.6 GW of coal-fired generating capacity at four power plants, which is (i) the least since 2010 and (ii) 5.9 GW less than the planned retirement of 8.5 GW at the beginning of 2025.
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LCG, April 10, 2026--The U.S. Environmental Protection Agency (EPA) announced yesterday a rule proposing several revisions to the federal regulations governing the disposal of coal combustion residuals (CCR) and the beneficial use of CCR. The EPA designed the rule to encourage resource recovery, allow for site-specific considerations in permitting, and provide regulatory relief while continuing to protect human health and the environment. The EPA will be accepting comments on the rule for 60 days after publication in the Federal Register, and it will also hold an online public hearing on the rule.
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Industry News
Mirant Produced Extra Energy With ISO Support
LCG, May 24, 2002--In response to a Federal Energy Regulatory Commission order to energy trading companies to report potentially manipulative trading practices, Mirant Corp. said it had practiced at least one of the strategies in California, as outlined in an internal Enron memo.A filing by the company with the FERC said that the one strategy it had clearly engaged in was to produce at levels above forecast demand. Documents said Mirant had the support of the California Independent System Operator, manager of the state's power grid, in doing so. A power market consultant who was quoted in the Atlanta Journal and Constitution, Robert McCullough, said Mirant's justification did not change the "Fat Boy" strategy's being "a violation of the rules, but they have a good reason."This week, a California state senator, Joe Dunn (D-Santa Ana), said he had uncovered a practice by the ISO of buying more power than was needed to maintain reserve margins, anticipating non-deliveries by scheduled generators. According to Mirant, the ISO repeatedly encouraged the company to "fake the rules" by creating false demand and extra, real supply in order to ensure reliability. Dunn had concluded before Mirant's filing that the ISO caused the state to sell extra power it did not need at a loss.Mirant raised another possibility, but said it did not have sufficient records to determine "with certainty," that it had bought power within California cheaply and sold the power outside the state at higher prices, benefitting from state price caps.Of 510 days covered by FERC's data request, the company identified one during which it practiced a "variation" of megawatt laundering, in which a company sells power outside the state, to be bought back and sold within California. Enron referred to such a practice with the reference "Ricochet." According to McCullough, Mirant appeared forthright in asserting that this was a one-time occurence.
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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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