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Oklo and Siemens Energy Sign Agreement to Accelerate Power Conversion System for New SMR in Idaho

LCG, November 19, 2025--Oklo Inc. and Siemens Energy announced today that the parties have signed a binding contract for the design and delivery of the power conversion system for Oklo’s Aurora-INL (Idaho National Laboratory) nuclear small modular reactor (SMR). The agreement authorizes Siemens Energy to begin engineering and design work to expedite procurement of long-lead components and to initiate the manufacturing process for the power conversion system. Oklo’s expertise in advanced fission technology will be combined with Siemens Energy’s extensive industry experience with steam turbine and generator systems, with the ultimate goal of generating carbon-free, reliable electricity.

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NERC's New Winter Reliability Assessment Raises Concerns for Elevated Risk of Insufficient Supplies to Meet Demand in Extreme Operating Conditions

LCG, November 19, 2025--NERC yesterday released its 2025–2026 Winter Reliability Assessment (WRA), which concludes "much of North America is again at an elevated risk of having insufficient energy supplies to meet demand in extreme operating conditions." The WRA does state that resources are adequate for normal winter peak demand, but extended, wide-area cold snaps will be challenging.

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Industry News

Las Vegas-Area Plant Near Operation

LCG, Jan. 27, 2003--Testing is underway at a new 533-megawatt power plant built by Mirant Corp. in an industrial area of Las Vegas, Apex.

The gas-fired, combined-cycle faciity is expected to produce power in early April, and will use minimal water for cooling (30 gallons per minute), relying primarily on air. Mirant has planned from the beginning of the project to install a second phase at the Apex Generating Station of approximately the same size as the first, but has not said when it might begin construction.

Output from Apex will be sold under contract, although the company is still working to sign deals for the plant's capacity. Another project scheduled to open in the fall is Reliant Energy's Primm plant, a 550-megawatt facility.
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