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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

Midwest ISO and Southwest Power Pool File Tariff with FERC

LCG, November 5, 2002Midwest Independent System Operator and the Southwest Power Pool (SSP) plan to instate a combined tariff in order to do away with rate pancaking in electricity transactions between service territories.

Midwest ISO, a Federal Energy Regulatory Commission-approved Regional Transmission Operator, and SPP have decided to adopt the combined tariff in order that wholesale energy customers such as utilities will benefit and that the energy markets in the region will be stabilized.
Midwest ISO and SPP assert that the combined tariff will preserve the zonal rate structure, long-term firm SPP service agreements, and states' rates currently on file under the SPP tariff, in addition to eliminating rate pancaking on transactions between the two organizations customers.

The combined tariff currently awaits approval by the FERC.

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