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Minnesota PUC Approves Operations Extension for Xcel Energy's Prairie Island Nuclear Plant

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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PGE Announces Addition of 475 MW of Battery Energy Storage Systems to Improve Grid Reliability and Costs

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

MISO Ready to Open New Electricity Markets

LCG, February 17, 2005--The Midwest Independent Transmission System Operator (Midwest ISO) yesterday announced that it has filed Certificates of Operational and OrganizationalReadiness with the Federal Energy Regulatory Commission (FERC), signaling that it is ready and prepared to commence operations of the new markets on April 1.

In August 2004, the FERC conditionally accepted the Midwest ISO's proposed Open Access Transmission and Energy Markets Tariff (TEMT), with one of the conditions that the Midwest ISO certify its market readiness. The Midwest markets were initially scheduled to be launched on March 1, 2005; however, on January 27, the ISO announced the one-month delay, which was stated to be in response to stakeholder requests.

The new market design includes Day-Ahead and Real-Time energy markets, with centralized, security-constrained, economic dispatch and locational marginal pricing (LMP) similar to that used in northeastern markets, such as PJM, New York ISO and ISO New England.

The Midwest ISO service territory extends from eastern Montana through the upper Midwest - including Manitoba - and south to parts of Kentucky and Missouri. With the implementation of the TEMT, the FERC's Standard Market Design, with LMP-based pricing, will generally be in use throughout the northern half of the Eastern Interconnect.

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The Locational Marginal Price Model (LMP) Network Power Model
Uniform Storage Model
A Battery Simulation Model
UPLAN-ACE
Day Ahead and Real Time Market Simulation
UPLAN-G
The Gas Procurement and Competitive Analysis System
PLATO
Database of Plants, Loads, Assets, Transmission...
CAISO CRR Auctions
Monthly Price and Congestion Forecasting Service