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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

Madison G&E Asks for Rate Hike

LCG, July 30, 2001--Madison Gas and Electric Co. said Friday it has filed an application with the Public Service Commission of Wisconsin to recover additional costs associated with "providing reliable gas and electric service."

The proposed rate change is a $12 million, or 5.8 percent increase over current electric rates and a 0.7 percent increase in gas rates. This would result in a monthly increase of $3.24 for a typical residential electric customer and an increase of 58 cents for an average residential gas customer, the company said.

Madison Gas & Electric said the request includes replacement power expenses for an extended outage at the Columbia Generating Station which is set to be out of service an extra six weeks for major generator repairs next spring. The company owns 22 percent of the plant and receives more than 40 percent of its base power needs from Columbia.

"Columbia provides a large portion of our customers' power needs," said Jeffrey Newman, MG&E vice president and treasurer. "During a plant outage, replacement power comes primarily from new, natural gas-fired plants at much higher costs."

Newman noted that the request is limited to specific issues. "We are committed to supplyingreliable power to our customers at the lowest cost possible. We will not compromise our high levelof service," he said.

Madison Gas & Electric generates, transmits and distributes electricity to 126,000 customers inDane County, Wisc., and transports and distributes natural gas to 114,000 customers in seven south-central and western Wisconsin counties.

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