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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
Diesel Problems Keep Seabrook Off-line
LCG, Dec. 15, 2000--The 1,150 megawatt Seabrook nuclear power plant in southeastern New Hampshire shut down October 21 to refuel and was expected back on-line by November 21, but continuing problems with a back-up diesel generator have prevented a restart and it appears they will continue to do so, a minority owner of the plant said yesterday.Bay Corp Holdings Ltd., the parent company for Great Bay Power Corp. and Little Bay Power Corp., said that repairs to the diesel had been expected to be accomplished by the middle of this month, but haven't been. When mechanics tested one of the diesel generators recently, they broke it.Seabrook is mostly owned by Northeast Utilities subsidiary Public Service Co. of New Hampshire and is operated by North Atlantic Energy Service Corp. North Atlantic is now projecting that the plant will be returned to service at the end of January.Bay Corp got out a news release to explain the outage is costing it a lot of money for replacement power it must purchase at high rates to cover the 174 megawatts it isn't getting from Seabrook.
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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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