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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 Municipal Raises Power Rates by Half

LCG, Feb. 9, 2001Mount Lassen in the Cascade Range of Northern California is an active volcano. Nothing has been heard from the mountain since 1921, but there are rumbles of a different sort coming from the municipal utility that serves the area.

The Lassen Municipal Utility District, which serves 11,000 customers in the town of Susanville and a few other hamlets, will raise its electric rates by an average of 49 percent. When they heard the news, the utility's customers breathes a sigh of relief because general manager John Baxter has said an increase of 162 percent might be needed.

The LMUD owns no generation of its own and when it bought power last fall it found that the price had gone up, rather than down as it usually does after the hot summer months.

Baxter told the district's board earlier this week that he had taken two steps to curb the rate hike. First, he wants to get rid of the district's biggest customer, the Sierra Army Depot in the town of Herlong. LMUD was selling power to the Army for less than it paid for it.

Second, he negotiated power supplies that will save the district money. A source who asked not to be named told EnergyOnline Daily News that the district signed a year-long deal with his power plant for the energy off one boiler, paying in the neighborhood of $30 per megawatt-hour and supplying the fuel.

The rate increase will add 3.5 cents per kilowatt-hour to residential customers' bills and cost commercial customers an additional 4 cents per kilowatt-hour.

One would think there was some geothermal power lurking beneath the surface of Mount Lassen.

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