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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

Payer of Connecticut Utility's Congestion Charges Disputed

LCG, July 2, 2003--Charges for congestion that have been included in Connecticut Light & Power (CL&P) ratepayers' bills will continue to be the responsibility of the utility, not suppliers, unless the Federal Energy Regulatory Commission rules otherwise.

The charges, which arise when the effective limit of transmission lines' capacity is reached, were first put in place in March by the Independent System Operator - New England (ISO-NE). So far, the costs have amounted to $47 million, and represent about 6 percent on the typical customer's bill. As congestion costs change according to disparities in generation costs between different areas, they are intended to encourage investment, which would serve to drive the costs down.

The Connecticut Department of Public Utility Control (DPUC) determined that the congestion charges should be paid by CL&P at present. The utility contended that suppliers such as Northeast Utilities' Select Energy, Xcel Energy Inc.'s NRG Energy, and Duke Energy Corp. should pay the costs. FERC intends to determine a timetable for deciding the issue on July 9.
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