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News
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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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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
SCE Submits Technical Responses to NRC Regarding SONGS
LCG, February 28, 2013--Southern California Edison (SCE) announced that it submitted on Monday new information requested by the Nuclear Regulatory Commission (NRC) to further progress towards restarting San Onofre Nuclear Generating Station (SONGS) Unit 2 and to address current compliance with the plant's technical specifications.
SONGS is a critical generating asset in California. Unit 2, with a capacity of approximately 1,180 MW, has been unavailable since January 2012 following the identification of cracks in steam generator tubes. Unit 3 was removed from service shortly thereafter, following the discovery of a leak in a steam generator tube. Further inspections show Unit 3 had more than 300 tubes with unexpected tube-to-tube wear; Unit 2 only had two tubes exhibiting minor tube-to-tube wear.
SCE's supplemental information delivered early this week adds to the comprehensive analysis and restart proposal submitted last October in response to an NRC Confirmatory Action Letter (CAL).
The new submittal provides information about how SCE anticipates addressing ongoing steam generator analysis and interim measures beyond the operating period proposed in SCE's response to the CAL. SCE has proposed restarting Unit 2 at 70 percent power for five months to prevent the conditions that caused excessive tube wear in the steam generators. Furthermore, SCE plans to provide an additional evaluation by March 15, 2013 to demonstrate that structural integrity can be met for Unit 2 at 100 percent rated thermal power.
SCE's senior vice president and chief nuclear officer stated, "This question and answer process is an important part of safety-based technical solutions in the nuclear industry, and it strengthens our ability to communicate to all stakeholders the safety principles and proven industry operating experience that the Unit 2 restart plan was built upon."
SCE anticipates that a decision from NRC may be issued in the late April to May time frame, prior to the summer peak load.
SONGS is jointly owned by SCE (78.21 percent), San Diego Gas & Electric (20 percent) and the City of Riverside (1.79 percent).
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UPLAN-NPM
The Locational Marginal Price Model (LMP) Network Power Model
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UPLAN-ACE
Day Ahead and Real Time Market Simulation
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UPLAN-G
The Gas Procurement and Competitive Analysis System
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PLATO
Database of Plants, Loads, Assets, Transmission...
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