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X-energy Commences First Irradiation Tests of Advanced TRISO-X Nuclear Fuel at Idaho National Laboratory

LCG, November 6, 2025--X-energy Reactor Company, LLC, (X-energy) and the U.S. Office of Nuclear Energy today announced the start of confirmatory irradiation testing at Idaho National Laboratory (INL) to qualify X-energy’s proprietary TRISO-X fuel pebbles for commercial use in the Xe-100 Small Modular Reactor (SMR). (TRISO stands for TRi-structural ISOtropic). This is the first time that TRISO-X fuel pebbles will undergo irradiation testing in a U.S. lab, which is a critical step in meeting requirements set forth by the U.S. Nuclear Regulatory Commission (NRC) for the commercial deployment of advanced reactors that will use the fuel.

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NextEra Energy and Google Collaborate on Accelerating Nuclear Power Deployment

LCG, October 28, 2025--NextEra Energy and Google yesterday announced two agreements that will help meet growing electricity demand from artificial intelligence (AI) with clean, reliable, 24/7 nuclear power and strengthen the nation's nuclear leadership. First, Google signed a new, 25-year agreement for power generated at the Duane Arnold Energy Center, Iowa's only nuclear power facility. The 601-MW boiling water reactor unit was shut down in 2020 and is expected to commence operations by the first quarter of 2029, pending regulatory approvals to restart the plant.

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Industry News

Now Fitchburg Gas Wants a 25 Percent Rate Hike

LCG, Sept. 28, 2000Fitchburg Gas & Electric Light Co., which less than two weeks ago asked Massachusetts regulators to approve a winter rate boost that would cost a typical residential natural gas customer $14.11 a month more than he is now paying, said yesterday that's not enough and asked for an increase the would add $30.07 to the householder's monthly bill.

Fitchburg said yesterday that it had "refiled" for a gas rate increase with the Massachusetts Department of Energy and Telecommunications and that the new filing replaces the more modest request of September 15.

Two weeks ago, the company said it needed an 11.5 percent increase, but news of rising wholesale prices for natural gas has prompted it to more than double the request to 24.5 percent. Even the company doesn't know where it will all end.

Mike Dalton, president of parent company Unitil Corp., said only "Natural gas supply pricing has escalated rapidly in a very short period of time."

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