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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

One-Month Delay for MISO Market Opening

LCG, January 28, 2005--The Midwest Independent Transmission System Operator (Midwest ISO) announced yesterday that it will delay the opening of its new, Day-Ahead and Real-Time markets by a month in order to allow further system testing and training to occur. The Midwest markets were previously scheduled to be launched on March 1, 2005.

The schedule retains final trials to occur from January 29 through February 4, followed by system cutover on February 5 to February 20. The new schedule now calls for all market systems to be used for mandatory trials until financially binding activities start with the opening of the market for bids and offers on March 25, and the Real-Time market on April 1.

The Midwest ISO plans to provide the Readiness Certification to operate the market to the Federal Energy Regulatory Commission (FERC) upon completion of the final, mandatory trials. The Midwest ISO states that the change was developed based upon feedback from market participants.

The FERC conditionally accepted the Midwest ISO's proposed Open Access Transmission and Energy Markets Tariff (TEMT) in August 2004. The TEMT includes Day-Ahead and Real-Time energy markets that will incorporate centralized, security-constrained, economic dispatch and LMP-based pricing similar to the operations of PJM, the New York ISO and ISO-New England. The TEMT will include market mitigation based upon conduct and impact thresholds.

The Midwest ISO covers more than 96,000 miles of high voltage transmission lines located in 15 states and one Canadian province. The implementation of the TEMT will alter the market design and competition across a wide expanse, extending from eastern Montana through the upper Midwest - including Manitoba - and south to parts of Kentucky and Missouri. After the TEMT is launched, the FERC's Standard Market Design, with LMP-based pricing, will be effectively in use across the northern half of the Eastern Interconnect.

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