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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

NextEra's Energy Storage Projects Gain Momentum in California

LCG, September 1, 2020--NextEra Energy Resources, LLC, yesterday highlighted its plans to install nearly 700 MW of battery energy storage systems (BESS) in California. When combined with additional plans for another 2,000 MW of storage in California, NextEra's plans could nearly double the total installed battery storage capacity currently installed in the entire U.S. The 700 MW of fully-contracted battery storage projects in California are scheduled to be completed before the end of 2022.

NextEra Energy Resources' President and CEO stated, "California needs significant investment in battery storage to meet its aggressive clean energy goals. NextEra Energy Resources is answering the call with nearly 700 MW of battery storage projects representing a capital investment of nearly $800 million. We are pleased that last week the California Public Utility Commission (CPUC) approved all 523 MW of the projects that required CPUC approval. Once these projects are operational by the end of 2022, Californians will benefit from more low-cost, emission-free solar energy during more hours of the day, as well as improved reliability across the regional electric grid."

NextEra's battery storage projects will be co-located at six existing solar projects and include the previously announced: 63 MW at Blythe 110 Solar Energy Center; 115 MW at Blythe II Solar Energy Center; 115 MW at Blythe III Solar Energy Center; 230 MW at the McCoy Solar Energy Center; 110 MW at the Arlington Solar Energy Center; and 65 MW at the Yellow Pine Solar Energy Center.

NextEra stated it also has a pipeline of nearly 2,000 MW of battery storage projects in California that could be deployed to help meet the CPUC's energy storage capacity requirements. Construction of the 2,000 MW energy storage pipeline is contingent on obtaining long-term power purchase agreements (PPAs)for the projects and the necessary regulatory approvals.

In addition to battery storage, NextEra has plans for the 1,300-MW Eagle Mountain Pumped Storage Facility, located approximately 50 miles west of Blythe, California. The project design could provide up to 18 hours of bulk energy storage, versus the typical 4-hour duration storage provided by battery systems. NextEra states that the project is a fully permitted.
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