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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

Japanese Ministries Fund Efficient Turbine Technology

LCG, Oct. 6, 2003--Two ministries within the Japanese government will engage in an ambitious research effort to design new thermal generators with efficiencies of as much as 100% above current levels.

Waste heat from thermal generators that would otherwise be released into the environment is partially captured with existing combined-cycle generators, yet the thermal efficiency of such technology is typically less than 50%, in the neighborhood of 30-40%. Thus, most of the thermal energy in fuel sources such as natural gas is not converted into electricity.

The ministries that will cooperate on directing the research are the Education, Science and Technology Ministry and the Economy, Trade and Industry Ministry. Private companies will be encouraged to participate. The focus is expected to be on a new kind of variation on a nickel alloy. It is hoped that the new alloy may withstand temperatures of 1,700 C. The highest level of efficiency achieved in tests outside Japan was at a temperature of 1,500 C.

Investment in the research is expected to be 5 billion yen ($45 million) for the first four years. At the end of eight years, the ministries hope to reach thermal efficiency of 60 per cent.
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