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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

Arizona Merchant Plant Construction Underway

LCG, Jan. 23, 2002--The Mesquite generating station is the second largest merchant plant now being built in Arizona.

Sempra Energy Resources, a subsidiary of Sempra Energy, is developing the plant, which is expected to have the first block of its overall capacity online by the middle of 2003. The combined-cycle plant will consist of two combustion turbines and a steam turbine, and is expected to produce at maximum output by early 2004. Each of the two blocks will be rated at 625 megawatts.

The Mesquite plant is located in southwestern Arizona, near Arlington. The other, largest merchant power plant being built in the state is the Gila River plant, which should be rated at 2,300 megawatts.
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