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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

Cold Boosts Gas Prices to Two-Year Highs

LCG, Jan. 24, 2002--Seasonal price fluctuations and unusually cold weather in the Eastern part of the U.S. have brought natural gas prices to two-year highs, and resulted in some power plants being taken out of operation.

In the Tennesse Valley Authority (TVA) service territory, temperatures on Thursday resulted in an all-time winter record for system power demand. Record low temperatures were recorded in much of the Southeast, in some cases by as much as ten degrees below the previous record. Areas further to the north are experiencing prolonged low temperatures in the single digits.

The continued low temperatures and increased use of gas for heating have brought gas prices to levels at which some power marketers engaged in tolling agreements with power plant owners (the marketers obtain the fuel needed to run the plant and pay the plant owner for the right to sell the output) have sold gas supplies rather than run the plants. Williams Energy Marketing, for one, has made little use of the Ironwood and Red Oak power plants in Pennsylvania and New Jersey for the past few months. Rather than utilize the plants, owned by AES Corp., Williams has been buying power from other sources while making profits from its gas supplies.

Prices for gas have remained elevated due to ongoing high levels of consumption. At the same time, the amount of gas in storage is falling relative to 5-year average levels. Some analysts are projecting that if the trend continues, prices could reach $8/mmBtu this quarter.
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