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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

Two Nebraska Nukes in Unplanned Shutdowns

LCG, Oct. 16, 2000Two nuclear power plants in Nebraska shut down Saturday taking 1,300 megawatts of generation with them, according to the Nuclear Regulatory Commission daily plant status report.

The 800 megawatt Cooper Nuclear Station in Brownville, Neb., tripped off line at 3:40 a.m. on Saturday when its main generator shut down for unknown reasons. The plant's owners, the Nebraska Public Power District, said the facility would be placed in cold shutdown while operators figure out what went wrong with the dynamo.

Operators at Cooper said that nobody was working on the generator at the time of the shutdown and that all automatic shutdown and safety systems operated as designed.

Also on Saturday, operators of the 500 megawatt Fort Calhoun nuclear plant owned by the Omaha Public Power District manually shut down their facility because of apparent degradation of a reactor coolant pump seal.

Officials said there was no leakage at the seal and the plant was placed in cold shutdown so the faulty seal could be replaced. The event was classified as an unplanned maintenance outage.

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