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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

California Congressman Puts Heat on Cal-ISO

LCG, Nov. 19, 2001--U.S. Rep. Doug Ose, a California Republican, has demanded that the Federal Energy Regulatory Commission act on what he says is preferential treatment of the California Department of Water Resources by the California Independent System Operator.

In a letter last Thursday to FERC, which was released Friday, Ose said dealings between the two state agencies contravene the required independence of the ISO. Reliant Energy Inc. and Mirant Corp. filed a complaint with FERC last month alleging that information-sharing between the two groups violates the ISO's tariff.

Ose backed up his letter with a copy of a confidential memo from Eric Woychik, described as having inside knowledge of the water agency, to ISO board member Mike Florio, who is also a lawyer for an anti-utility gadfly group, The Utility Return Network.

Ose did not tell how he came by the memo, but said it revealed "egregious examples of interference by CDWR in the electricity market."

How confidential was the memo? In it, Woychik wrote "If the press, Legislature, or FERC get wind of this, I think we are toast!!!"

Woychik's memo said that CDWR scheduling practices resulted in "very large additional costs for purchases," and compromised reliability. He cited as an example an instance when the water agency required the ISO to accept bilateral contracts for $400 per megawatt-hour when cheaper coal-fired generation from a Nevada plant was available for $60.

In his letter to FERC, Ose said the memo "clearly illustrates the perils of a lack of independence" at the ISO.

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