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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

Illinois IGCC Project Receives Air Permit

LCG, June 6, 2007--The Illinois Environmental Protection Agency issued the air permit to Christian County Generation LLC for the Taylorville Energy Center, a proposed coal-fired, electric generating station using an integrated gasification combined cycle (IGCC) design. Construction may begin this year, and operations could commence in 2012.

As proposed, the Taylorville Energy Center would be a 630-MW electric generating station located in central Illinois. The plant would use Illinois Basin coal that is converted to syngas using a gasification process provided by General Electric.

The estimated project cost is $2 billion, and the State of Illinois pledged $500 million in low cost bonds to help finance the plant.

In July 2006, Tenaska announced that it agreed to acquire a 50% development-stage interest in the proposed Taylorville Energy Center from The ERORA Group LLC. The agreement called for Tenaska to jointly develop the remainder of the project with The ERORA Group.

There are a number of hurdles that remain in order for the project to proceed, including approval of the Illinois Clean Coal Program Law that enables developers to enter into long-term, regulated cost-based contracts with large Illinois electric utilities.
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