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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

PJM Submits Shipment Reliability Report

LCG, August 14, 2002-PJM Interconnection, responsible for reliability in the mid-Atlantic states, is developing methods to prevent inconsistencies between scheduled and delivered electricity and has submitted its report to federal regulators.

Last month PJM found that price signals were affected by misappropriated electricity, causing higher power prices. Energy companies had sent as much as 3,000 MW capacity by way of a western transmission line although none had been scheduled for the line. This inconsistency caused a $70 price gap between western and southern electricity in the region.

The names of the involved companies have not been released by PJM, but the grid operator has altered its market rules and is developing the Locational Marginal Pricing System, or LMP.

Until LMP is in place, which would put a premium on electricity sent to areas with generation or transmission limitations, PJM will use the rule changes it instated in July.

Since the discovery of the scheduled-delivered energy discrepancy, electricity sent between Mid-Atlantic and Midwest areas will have prices assigned to it at the boundary between the two regions' transmission control areas.

Those companies involved in sending electricity by way of unscheduled routes will not be prosecuted, according to PJM market monitoring unit manager Joseph Bowring.

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