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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

Cal-ISO Calls 'Stage 2' Power Emergency for Third Day

LCG, Nov. 16, 2000--The California Independent System Operator yesterday declared a "Stage 2" power emergency, forcing the state's utilities to shed load for the third straight day. The ISO said it would need customers with interruptible service contracts to reduce demand by 1,400 megawatts late yesterday afternoon.

All summer, Cal-ISO scrambled to find 44,000 megawatts of power and this week it is having trouble coming up with 33,000 megawatts because about 12,000 megawatts worth of power plants are shut down for maintenance and repair after running non-stop for several months.

The problem was exacerbated by a cold snap early this week that boosted demand by customers who use electricity for heat. The cold weather also affected the Pacific Northwest, reducing the amount of power that was available for import to California.

In addition, at this time of the year the streams of the Sierra Nevadas are nearly dry, reducing the amount of hydroelectric power available in the state.

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