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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

Southwest Valley 500-kV Project Operating

LCG, June 30, 2003--The Salt River Project and Arizona Public Service Co. on Friday marked the completion of installation and beginning of operations for the 37-mile, 500-kV-rated Southwest Valley Transmission Project.

The utilities, which are the largest in Arizona, divided construction management of the transmission line (Arizona Public Service) and 500/230-kV substation (Salt River Project). The new line will allow transmission of 1,263 megawatts from the Palo Verde Nuclear Generating Station.

In tribute to what SRP President Bill Schrader called "tireless contributions toward improving our quality of life here in the West" by five-term U.S. congressman and four-term SRP board member Elton Rudd, who played a significant part in affecting decisions concerning water reclamation, flood control and environmental planning, the substation was commissioned "Rudd".
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