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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

Calpine Geothermal Plants to Support Reliability in California

LCG, Feb. 26, 2003--An agreement between Calpine Corp. and the California Independent System Operator will allow the grid operator to dispatch over a dozen geothermal plants owned by Calpine to maintain grid reliability.

The agreement governs 13 of its 19 Geysers generating units in Northern California, and will provide Calpine revenue from $40 million to $45 million each year for 2003, 2004 and 2005. The generators will be designated "reliability-must-run" resources.

The units may also be used to produce power for the ISO at a contracted price, or for other buyers.
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