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NuScale Power Achieves Standard Design Approval from NRC for 77 MW SMR

LCG, May 30, 2025--NuScale Power Corporation (NuScale), a leading provider of advanced small modular reactor (SMR) nuclear technology, yesterday announced that it has received design approval from the U.S. Nuclear Regulatory Commission (NRC) for its uprated 77 MW power modules. NuScale states that it remains the only SMR technology company with design approval from the NRC, and the company remains on track for deployment by 2030, with 50- and 77-MW SMR options.

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EIA Presents Analysis of California's Solar and Wind Power Curtailment Challenges

LCG, May 29, 2025--The U.S. Energy Information Administration (EIA) released an analysis yesterday showing that the California Independent System Operator (CAISO), the grid operator for most of the state, is increasing its curtailment of the rapidly growing solar- and wind-powered generation facilities in order to balance electricity supply and demand, which is necessary to maintain a stable electric system.

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Industry News

Six Arrested in Tokaimura Nuke Accident Case

LCG, Oct. 11, 2000--Japanese police this morning arrested six employees of JCO Co., the operator of the Tokaimura nuclear fuel processing company that was last year the scene of Japan's worst-ever nuclear accident.

The "criticality" accident occurred in September 1999 when three workers used ordinary buckets to pour an unmeasured amount of liquefied uranium into an open tank of nitric acid. Two of the workers subsequently died from radiation exposure and more than 400 residents of Tokaimura, about 90 miles northeast of Tokyo, were exposed to harmful levels of radiation.

Among those arrested on suspicion of professional negligence was Yutaka Yokokawa, the only survivor of the three workers who caused the accident. At the time, one of the workers said the unorthodox procedure, prohibited by Japanese nuclear regulators, was use to save time and was standard operating procedure at the JCO plant.

Other arrested include former plant manager Kenzo Koshijima and a subordinate who was in charge of processing operations. At the time of the accident, it was reported that JCO officials had changed a regulatory agency-approved operating manual, without authorization, to include the shortcuts.

Police, who say the company systematically violated safety regulations, plan to seek charges against JCO as a corporate body. It is also expected that Hiroharu Kitani, the former president of JCO, will be charged.

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