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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

Canadian Solar Announces New Battery Energy Storage Projects in California and Texas

LCG, March 6, 2025--Canadian Solar Inc. (Canadian Solar) announced today that e-STORAGE, a subsidiary of Canadian Solar majority-owned subsidiary CSI Solar Co., Ltd. (CSI Solar), has secured Battery Supply Agreements and Long-Term Service Agreements (LTSA) for two major battery energy storage projects developed by Aypa Power, a Blackstone portfolio company. These projects are designed to improve grid resilience and support renewable energy integration. Construction of the projects is planned to begin in Q3 2025.

The LTSA's include the supply and commissioning of a 160 MW AC/806 MWh DC Battery Energy Storage System (BESS) in California and a 200 MW AC/998 MWh DC BESS in Texas. Approximately 370 SolBank 3.0 units will be included in the projects. Following commissioning, e-STORAGE will oversee system maintenance and operations under a 20-year LTSA.

e-STORAGE will integrate its proprietary SolBank 3.0 battery energy storage solution, featuring lithium-iron-phosphate battery technology, an active balancing battery management system, and advanced liquid cooling to ensure project safety and performance.

The President of e-STORAGE stated, "We are proud to support Aypa Power in delivering utility-scale energy storage projects that will play a pivotal role in enhancing grid flexibility and reliability. Our SolBank technology is designed to provide safe, high-performance energy storage solutions that meet the growing demands of the market. These projects highlight the increasing role of battery storage in stabilizing renewable energy supply, and we remain committed to driving innovation and delivering high-quality solutions that support a cleaner, more sustainable energy future."

These two battery projects may have plenty of company this year. The EIA recently projected U.S. battery storage capacity growth to set a record of 18.2 GW of utility-scale battery storage to be added to the grid in 2025. Last year, U.S. battery storage achieved record growth when power providers added 10.3 GW of new battery storage capacity.
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