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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

FERC Issues Ruling on Midwest ISO Transmission Request Processing

LCG, Jan. 31, 2003--A complaint by Tenaska Inc. over a rejected offer to purchase long-term transmission rights from the Midwest Independent System Operator should be considered again under a revised framework, the Federal Energy Regultory Commission (FERC) ruled yesterday.

The Midwest ISO, which said that opting to allow a purchase of short-term transmission rights by other buyers instead was done on a first-come, first-served basis, controls grid access over an area that includes 15 states, and part of Canada. The position of Tenaska was backed by Dynegy Inc., Reliant Resources and Public Service Enterprise Group Inc.

The transmission access in question is around the Michigan-Ontario border. The FERC ruling stated, "This order benefits customers by providing certainty to Midwest ISO's customers concerning the processing of long-term firm transmission service requests." The ISO was directed to change its tariff within 30 days, and adopt a new method of responding to requests.
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