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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

Department of Interior Approves Cape Wind Project

LCG, April 30, 2010--The U.S. Department of Interior Wednesday approved the Cape Wind offshore wind project proposed for Nantucket Sound off the coast of Massachusetts. The project developer, Cape Wind, has pursued government approval since 2001 and completed State and local permitting in 2009.

The 468-MW wind project will include 130 wind turbines and will connect to the power grid via a 66.5-mile, buried submarine transmission cable system. The project developer plans to commence construction by the end of the year.

The Department of Interior will require additional measures to minimize the potential adverse impacts, such as changing the design and configuration of the wind turbines to diminish the visual effects and to conduct additional seabed surveys to ensure submerged archaeological resources are protected. Revisions include reducing the number of turbines from 170 to 130 and moving the wind farm further from Nantucket Island. The turbines will be painted off-white to reduce contrast with the sea and sky yet remain visible to birds.

Approval for the Cape Wind project is still needed from the Federal Aviation Administration, as the turbines may interfere with tower-to-aircraft transmissions.

On March 31, Cape Wind announced that it had entered into an agreement with Siemens to supply 130 3.6-MW turbines for its offshore wind farm.
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