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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

U.S. Supreme Court Will Not Hear CA Contract Case

LCG, June 3, 2002-California lost its appeal over seized electricity contracts on Monday.

California governor Gray Davis California seized Power Exchange (CalPX) forward contracts during the California electricity crisis. A San Francisco lower court ruled that Davis could not seize the contracts, and the U.S. Supreme Court denied his appeal without providing comment.

Governor Davis took control of contracts made during the crisis on behalf of electricity consumers who faced blackouts. Duke Energy Corporation sued Davis last year, saying that the contracts were seized illegally. The 9th U.S. Circuit Court of Appeals ruled 2-1 in favor of Duke in Davis v. Duke Energy Trading and Marketing.

The governor argued that the seizure was acceptable under California's sovereign immunity, whereas Duke Energy argued that it was a violation of the Constitution's Supremacy Clause.

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