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TerraPower Announces Start of Construction on First Utility-Scale Advanced Nuclear Plant in Wyoming

LCG, April 23, 2026--TerraPower announced today the official start of construction on its Kemmerer Unit 1 nuclear power plant, which could be the first utility-scale advanced nuclear power plant in the United States. In early March, the Nuclear Regulatory Commission (NRC) announced that it had authorized the staff to issue a construction permit for Unit 1 commercial nuclear power plant in Kemmerer, Wyoming.

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TVA Announces Two Energy Storage Agreements Totaling 425 MW/1,700 MWh

LCG, April 22, 2026--The Tennessee Valley Authority (TVA) yesterday announced two new, 20-year agreements for a 225 MW/900 MWh battery energy storage system (BESS) project in East Tennessee and for a 200 MW/800 MWh BESS project in northern Alabama. Both projects are planned to commence commercial operations in 2029.

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Industry News

Mirant Plans 894 Megawatts for Wisconsin

LCG, March 16, 2001--Mirant Corp. said this morning it plans to build an 894 megawatt natural gas-fueled merchant power plant near the town of Plover, Wisc., about 30 miles south of Wausau.

"The proposed Portage County plant would serve the central Wisconsin area and have access to regionally interconnected power pools in all or part of 12 Midwest states and central Canadianprovinces," explained Richard J. Pershing, president of Mirant Americas.

Two units of the plant, with a combined capacity of 586 megawatts, would be configured for combined cycle operation as a baseload facility while four others, totaling 308 megawatts of output, would be simple cycle turbines operated as peaking units.

The power plant is expected to be built on 54 acres of land in an industrial corridor. Assuming timely completion of appropriate state and local permitting, Mirant plans to have the power plant working by 2003.

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