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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

Calpine Geothermal Plants to Support Reliability in California

LCG, Feb. 26, 2003--An agreement between Calpine Corp. and the California Independent System Operator will allow the grid operator to dispatch over a dozen geothermal plants owned by Calpine to maintain grid reliability.

The agreement governs 13 of its 19 Geysers generating units in Northern California, and will provide Calpine revenue from $40 million to $45 million each year for 2003, 2004 and 2005. The generators will be designated "reliability-must-run" resources.

The units may also be used to produce power for the ISO at a contracted price, or for other buyers.
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