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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

ISO Says California Has Enough Capacity for the Summer

LCG, April 22, 2003Californias Independent System Operator said that the state will likely have enough electricity capacity for the peak usage that will come this summer.

Yesterday, the ISO, a not-for-profit entity responsible for reliability in electricity transmission, released a report regarding this summer. In its view, California has sufficient surplus electric capacity to meet peak demand, which in the West comes during the hottest points in the year.

The ISO did note that major plant outages or damaged transmission would alter the otherwise positive forecast.

Summer peak demand is expected to be 42,894 MW, around 450 megawatts higher than during last year but still less than the all-time highest demand of 43,554 megawats, which occurred in the midst of an economic boom in July 1999.

Some analysts worry that the surplus electricity will be insufficient to meet demand in the next few years because new generation projects have been slowed, suspended, or even cancelled due to poor market conditions. Also, older plants, especially coal-fired generators, may slowly go off line as they deteriorate or fail to meet new environmental restrictions.

However, others may point to the fact that lower demand may be in part due to fewer customers because of the slowed economic conditions. Better economic conditions in the future may result in higher demand but may also catalyze new interest in plant development and the resumption of preexisting projects.

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