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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

Midwest ISO and Southwest Power Pool Will Merge

LCG, Feb. 25, 2002--The directors of the Midwest Independent Transmission System Operator Inc. (ISO) and Southwest Power Pool Inc. (SPP) gave their approval to a merger of the two power transmission grid managers.

The resulting organization would have responsibility for transmission operations in twenty states and in the Canadian province of Manitoba. The Midwest ISO projects that it will submit required documents to FERC by March 15, and finalize the merger by the close of the second quarter.

The nonprofit Midwest ISO is currently negotiating with the for-profit Alliance RTO, following a December order from FERC for the two to merge, based on transmission bottlenecks that could persist if the two remained separate.

Some state representatives have asked for more justification for FERC's emphasis on the RTO concept. FERC, which is making the right of utilities to compete in deregulated power markets dependent on their membership in an RTO, will release a cost-benefit study next week, according to a spokesman.

Negotiations over the possible terms of a Midwest-Alliance merger were held up most recently when members of the Midwest ISO found Alliance's proposed transmission rates unacceptable. The Alliance RTOs members include Indiana Michigan Power Co., American Electric Power Co Inc., and Northern Indiana Public Service Co.
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