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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

Arrowhead-Weston Transmission Project Moves Forward

LCG, August 27, 2004--The Marathon County Board approved a proposal from American Transmission Company (ATC) to allow a new, 345-kV transmission line through a county-owned recreational area. The overall Arrowhead-Weston line between Hermantown and Wausau will extend 220 miles and is estimated to cost $420 million. The plan calls for completion of the project by 2008. Similar land use agreements will be required with other counties, plus about 850 landowners in Wisconsin and Minnesota.

The Wisconsin Public Service Commission last year approved construction of the Arrowhead-Weston line. Utilities, including Wisconsin Public Service Corp. and Minnesota Power, say it is needed to improve electric reliability. Furthermore, with locational marginal pricing (LMP) to be introduced next year by the Midwest ISO, the additional transmission capacity will tend to reduce locational price volatility.

Earlier this year, Minnesota Power started work on the Hermantown to St. Louis River section and plans to complete the 12-mile segment by early 2005.

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