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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

Two Nebraska Nukes in Unplanned Shutdowns

LCG, Oct. 16, 2000Two nuclear power plants in Nebraska shut down Saturday taking 1,300 megawatts of generation with them, according to the Nuclear Regulatory Commission daily plant status report.

The 800 megawatt Cooper Nuclear Station in Brownville, Neb., tripped off line at 3:40 a.m. on Saturday when its main generator shut down for unknown reasons. The plant's owners, the Nebraska Public Power District, said the facility would be placed in cold shutdown while operators figure out what went wrong with the dynamo.

Operators at Cooper said that nobody was working on the generator at the time of the shutdown and that all automatic shutdown and safety systems operated as designed.

Also on Saturday, operators of the 500 megawatt Fort Calhoun nuclear plant owned by the Omaha Public Power District manually shut down their facility because of apparent degradation of a reactor coolant pump seal.

Officials said there was no leakage at the seal and the plant was placed in cold shutdown so the faulty seal could be replaced. The event was classified as an unplanned maintenance outage.

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