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NRC Completes Safety Review of Construction Permit Application for TerraPower's Kemmerer Power Station in Wyoming

LCG, December 1, 2025--The Nuclear Regulatory Commission (NRC) announced today that the NRC staff completed its final safety evaluation for the application submitted by TerraPower, on behalf of its subsidiary US SFR Owner, to construct the Kemmerer Power Station Unit 1 in Kemmerer, Wyoming. Unit 1 will be the first nuclear project of its kind using the Natrium advanced reactor design. The evaluation concludes there are no safety aspects that would preclude issuing the construction permit.

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RWE Commissions the 200-MW Stoneridge Solar Project in Texas

LCG, November 26, 2025--RWE announced today the commissioning of the Stoneridge Solar project, located in Milam County, Texas. The project capacity is 200 MW of solar power, plus a battery energy storage system (BESS) that provides 100 MW (200 MWh) of battery storage capacity. The BESS improves the supply of short-term, reliable, affordable electricity in ERCOT.

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Industry News

NY Grid Operator Comments on Blackout Avoidance

LCG, Aug. 28, 2003--Speaking before the New York State Assembly yesterday, the president of the New York Independent System Operator, William J. Museler, stated that even if the grid manager had known about transmission problems in the Midwest well in advance of the blackout that ultimately hit New York, it would not have anticipated the situation becoming as severe as it did.

Had a decision been taken to isolate the New York transmission system from other areas, including Ontario, to which New York was effectively sending power, it could have increased risks for neighboring regions, said Museler. He also told legislators that in addition to not providing assurance of preserving stability for New Yorkers, active isolation would not have been in keeping with long-standing cooperative policies with regional partners.

Investigators have generally agreed that lines between New York and Ontario seem to have functioned according to their design, and did not automatically trip when the flow of power across the U.S.-Canadian border increased significantly. Nonetheless, given the amount of data that still requires examination, this viewpoint is being scrutinized before more explicit confirmation.

Museler testified that, on balance, assuming some risks by remaining connected to the larger grid could have beneficial consequences by encouraging reciprocal behavior by other grid managers. "There are many more times where it's better being connected to the grid, where it's going to save you," Museler said.
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