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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

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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