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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

Newsmakers

(A weekly wrapup of movement and events involving key people in the electric and natural gas industries.)

Susan M. Crossett has been promoted to executive director of government affairs and regulatory relations by Niagara Mohawk Power Corp. Before joining Niagara Mohawk in March 1999, Crossett was manager of government affairs for the Carrier Corp.

David H. Gunning, has been elected as a director of Southwest Gas Corp., succeeding Lloyd Dyer, who retired after 22 years on the board. Gunning is the principal in Encinitos Ventures, and was president and chief executive officer of Capitol American Financial Corp.

Dan Kimble has been appointed by the Nuclear Regulatory Commission as resident inspector at the Monticello (Minn.) nuclear power plant, effective July 17. Most recently, he was an operations engineer at the Department of Energys high flux isotope reactor at Oak Ridge, Tenn.

R. Michael Lempke, vice president and chief financial officer of DPL Inc., has resigned, effective immediately. His duties have been assumed on an interim basis by Arthur Meyer, a vice president, and Elizabeth McCarthy, chief accounting officer.

Michael R. Peevey has been elected a director of Internet services provider Excelergy Corp. He was a founder of marketer New Energy Inc. and president of that company until his retirement earlier this year. Peevey is also a former president of Southern California Edison Co.

Carl W. Porter, president and chief operating officer of Semco Energy Inc. has announced that he will retire effective July 31, for personal reasons. William L. Johnson, chairman and chief executive will resume the rle of president.

Deaths

Charles J. Dougherty, retired chairman of Union Electric Co., died Friday, July 14, at his home in St. Louis. He was 81. Charlie Dougherty joined Union Electric in 1941 as a student accountant but, following the Japanese attack on Pearl Harbor, left to join the U.S. Marine Corps. He fought his way across the Pacific as an officer, including the invasion of Iwo Jima where, in the words of Adm. Chester W. Nimitz, uncommon valor was a common virtue. Dougherty was the only chief executive in the company's history to have ascended to the top position through the ranks.

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