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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
Midwest ISO Releases Draft Tariff
LCG, June 23, 2003--A set of draft tariff and market rules governing day-ahead and real-time energy markets, called the Open Access Transmission and Energy Markets Tariff, has been released by the Midwest Independent Transmission System Operator.The rules were revised based on responses from ISO members and interested parties, following a technical conference held in May, and are being made subject to further comment. In addition, a sample allocation for financial transmission rights has been made public. The allocation was determined by using a network data model, incorporating generating resources and load. The Midwest ISO is asking for input on the system for allocation.According to James P. Torgerson, president and chief executive officer of the ISO, "Defining the tariff langugage necessary to provide a solid blueprint for market operations, developing a network data model and producing initial financial transmission rights allocations are key components of our overall plan for ensuring a smooth market opening." The ISO intends to make an informational filing with FERC by August 1. "We are committed to honoring existing contracts and service arrangements consistent with federal and state policy," Torgerson said.A guide to the Midwest Market Initiative is posted at www.midwestmarket.org.
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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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