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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

SDG&E Supports San Diego Transmission Link

LCG, Oct. 8, 2001--San Diego Gas & Electric Co. on Friday filed with the California Public Utilities Commission testimony strongly backing construction of its proposed $271 million, 31-mile Valley-Rainbow Interconnect transmission power-line.

The line, which could be completed by 2005, would link SDG&E's system at Rainbow and the Southern California Edison Co. system in Romoland.

"Whether or not new power plants are built in the region, the construction of the proposed project remains critical to the state's future electric reliability," SDG&E said in a statement.

"Due to the ever-changing landscape of the state's electric picture, we decided to test the need for the 500,000-volt Valley-Rainbow Interconnect by carefully exploring several different scenarios involving the need for the line," said James P. Avery, senior vice president of fuel and power operations for SDG&E.

"In each case, the common conclusion was that this project is required in 2005 and grows in importance every year thereafter. In our view, SDG&E's CPUC-mandated obligation to serve its customers with a reliable source of energy must involve the construction of this project."

Once completed, the Valley-Rainbow Interconnect could connect the state's sources of power with a pathway that can accommodate as much as 1,000 megawatts.

"Providing an enhanced electric pathway linking power sources to the north and south should help put downward pressure on electric costs by enhancing competition while bolstering reliability for all electricity users in the region," Avery said.

In the event that Southern California Edison's existing 500 kilovolt transmission system is interrupted, the Valley-Rainbow Interconnect would serve as an emergency backup for southwest Riverside County, Avery added.

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