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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

New Hampshire Plans Legal Action Over New Source Review

LCG, Sept. 3, 2003--The EPA's recently announced changes to rules governing power plants' installation of emissions-reduction equipment will be the subject of a lawsuit by New Hampshire, the state's Attorney General, Peter Heed, has announced.

The lawsuit would be in additon to other pending litigation against EPA's changes to policy on "new source review" before the U.S. Court of Appeals, in the District of Columbia circuit. The new rules would increase the ability of power plant owners to install new equipment at existing facilities without having to also install devices to restrict pollution. Enforcement of the rules has been inconsistent and confusing, many plant owners have complained. Confusion over the implementation of the rules was cited as a problem by a judge in a recent lawsuit the agency brought. The suit nonethless resulted in a ruling in favor of the EPA. They also say it has led them to forego maintenance and modifications for enhanced efficiency on older facilities that they might otherwise undertake.

According to New Hampshire's Heed, "EPA has created a loophole that attempts to legalize what the Clean Air Act prohibits - increased air pollution from outdated industrial equipment. What this rule means for New Hampshire is more air pollution from upwind power plants, refineries and other industries that can avoid modern pollution controls." The rules apply to 17,000 facilities nationally, and could represent significant savings due to companies' ability to avoid additional investment under new source review, in the billions of dollars.
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