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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

Plans for New, U.S. Nuclear Plants Focus on GE and Westinghouse

LCG, January 20, 2005--Dominion has dropped its option to develop and use a nuclear reactor design with Atomic Energy of Canada Ltd. for a new, nuclear reactor at the North Anna Power Station, which is currently operated by Dominion's subsidiary, Virginia Power. Dominion, along with Entergy and Exelon, has initiated the review and approval process with Nuclear Regulatory Commission to build a new nuclear reactor. However, the Canadian design is being abandoned by Dominion because of its concerns that the approval time will be too lengthy. Dominion now plans to present a General Electric (GE) reactor design based upon a 1990s design that previously received NRC approval and is now used in Japan. The NRC estimates that the decision to approve the permit may occur by June 2006.

There is a consortium, NuStart Energy, that is also pursuing the development of new nuclear reactors. NuStart includes Exelon, Entergy, Southern Company, Constellation, Duke Energy, the Tennessee Valley Authority, Florida Power & Light, Progress Energy, EDF International, and the two reactor vendors, GE and Westinghouse Electric. The NuStart consortium is considering the Westinghouse Advanced Passive Pressurized Water Reactor and the General Electric Economic Simplified Boiling Water Reactor. NuStart is currently reviewing alternative sites and plans to apply for two licenses at specific sites with specific designs by the end of the year.

In the wake of Dominion's decision to drop the Canadian design, Atomic Energy of Canada Ltd. announced yesterday that it has expanded its agreement with Shanghai Nuclear Engineering Research and Design Institute for the joint development of advanced technology and products related to the CANDU nuclear reactor. In China, there are two CANDU 6 reactors that commenced operations in 2002 and 2003.

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