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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

MidAmerican Energy's Wind XII Project Approved

LCG, December 6, 2018--The Iowa Utilities Board (IUB) on Tuesday approved MidAmerican Energy Company's proposed Wind XII project. With the approval, the company is poised to install up to 591 MW of new wind turbines to add to electric generating capacity in Iowa. The project is scheduled to be completed in 2021, and the estimated construction cost of the project is $922 million.

The order by the IUB states that MidAmerican has satisfied conditions in Iowa Code for advance ratemaking principles associated with the project. In the settlement agreement, the ratemaking principles approved establish a cost cap. The agreement includes an allowed return on the common equity portion of Wind XII that will be included in Iowa electric rate base at 11 percent.

MidAmerican filed its Wind XII request for advance ratemaking principles with the Board on May 30, 2018.
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