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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

Calpine Buys Out Partner in New England Plants

LCG, Oct. 23, 2000--Calpine Corp. said Friday it would buy from Dartmouth, Mass.-based Energy Management Inc. the interest it does not already own in three recently-built New England power plants. Calpine will also get a joint marketing venture.

Calpine said it would pay $100 million in cash and $45 million in stock for the assets, as well as assume about $220 million of project financing. The power plants are located in Dighton, Mass., Tiverton, R.I. and Rumford, Maine, and represent a total of 700 megawatts of capacity.

Calpine senior vice president Bob Alff said "The Dighton, Tiverton, and Rumford assets are among the first merchant power plants in the New England market, and acquiring the remaining interest in these projects illustrates the implementation of our New England market strategy."

In other New England activity, Calpine is in the final stages of construction of the 500 megawatt Westbrook Energy Center, in Westbrook, Maine, and will shortly begin construction of the 500 megawatt Towantic Energy Center, in Oxford, Conn. The company also owns a 37 percent interest in the 160 megawatt Androscoggin Energy Center, located in Jay, Maine, as part of its recently completed acquisition of Northbrook, Ill.-based SkyGen Energy.

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