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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

California Supply Situation Could Deteriorate Quickly

LCG, Apr. 9, 2003--Testimony by the head of the California Independent System Operator (ISO) and others before a House Government Reform subcommittee Tuesday indicated that while California's power supply appears adequate for the approaching summer, uncertainty still looms, and could be exacerbated by better economic conditions.

Terry Winter said that if the economy does not accelerate quickly, supply might be sufficient to guard against shortages until 2006 and 2007. Nonethless, given the possibility that Silicon Valley's economy will pick up by next year, Winter said he had "considerable concerns." Another witness, George Fraser of the Northern California Power Agency, noted that changes proposed by the ISO to remake California's power market structure were advancing towards implementation slowly, and did not have provisions for encouraging new transmission investment.

Legislation was to be announced today by members of the state legislature, including Senate President Pro Tem John Burton, D-San Francisco, that would dismantle key features of AB 1890, and undo the state's "failed experiment with energy deregulation." Besides the risks posed by reluctance to invest in new generation and transmission, California's supply situation is affected by runoff for hydro. If dry conditions were to suppress power generation from that source, the subcommittee Chairman Doug Ose, R-Sacramento noted, "we could be getting into trouble in 2005, 2004 with bad weather."

The Federal Energy Regulatory Commission's chairman, Pat Wood III, said that not just wholesale but retail changes in regulations, and price-responsive conservation from businesses and consumers, would be needed while investment improves the excess of supply relative to demand.
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