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News
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LCG, August 15, 2025--Xcel Energy announced that the company received state approval yesterday from the Minnesota Public Utilities Commission to extend operations of the Prairie Island nuclear plant through the early 2050s. Prairie Island has two units that have a combined generating capacity of 1,100 MW. The units’ current operating licenses expire in 2033 and 2034.
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LCG, August 7, 2025--Portland General Electric (PGE) today announced the completion of three, four-hour lithium-ion utility-scale battery energy storage systems (BESS) in Oregon, adding 475 MW and more than 1.9 GWh of dispatchable capacity to serve the Portland metro area. Each of these BESS facilities can deliver power during peak demand or when other electric generating facilities are limited, which improves system flexibility, reliability and costs.
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Industry News
Oversight Board Tells ISO Not to Buy Peaking Power
LCG, Oct. 31, 2000--The California Independent System Operators yesterday called a late afternoon emergency meeting following receipt of a letter from the state's Electricity Oversight Board asking the ISO to hold off on its plans to buy peaking power in anticipation of next summer's electricity squeeze.Last month, Cal-ISO asked independent companies to submit proposals for new peaking generators that could be in place by the time high demand rolls around next year. The ISO is at present selecting the most efficient and economical from among proposals received at the end of September.The Oversight Board said it wants the California Public Utilities Commission to get additional proposals from the state's three regulated utilities. The panel may have missed the news that, as a result of electric restructuring in the state, the utilities are no longer in the business of operating conventional power plants.In its letter, the board said "The Electricity Oversight Board is concerned that the CAISO intends to sign these contracts without providing the EOB with any review of final terms and conditions of the contracts and their costs." "We make a move and they come back and nail us," groaned Patrick Dorinson, spokesman for Cal-ISO. "What do they want us to do, hold off or go forward? We need some guidance at this point."Terry Winter, chief executive of Cal-ISO responded to the Oversight Board's letter and also asked the Public Utilities Commission to provide by noon yesterday the specific megawatts amount of new, low-cost peaking capacity the PUC can "assure" will be available on June 1, 2001."We have an emergency," Winter said. "To do nothing to finalize contracts for added capacity in the immediate future increases the likelihood of blackouts next summer."There was no information available this morning on the results of Cal-ISO's emergency meeting. It is safe to assume that misgivings were expressed about California's regulatory structure. In the past few days, the ISO has been "hammered," to use Dorinson's allusion, by the Oversight Board, the PUC and its own Board of Governors. A fourth state agency, the California Energy Commission, will get into the act when real estate is selected for the new peaking units.
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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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