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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

GE Energy Ships Advanced Gas Turbine for Installation in California

LCG, September 27, 2006--GE Energy announced yesterday that it has successfully completed testing on its first 7H gas turbine and that the state-of-the-art unit is in route to California, where it will be installed at the Inland Empire Energy Center, near Riverside.

The advanced new turbine is one of two units to be installed at the Inland Empire Energy Center, a 775-MW, project located near the unincorporated community of Romoland in Riverside County, California. The California Energy Commission (CEC) granted the license in June 2005, and the project is scheduled to commence operations by the summer of 2008.

The project will be the first site in North America to use GE's new, H System technology that is designed to achieve a thermal efficiency of 60 percent. Like other combined-cycle designs, the H System uses gas turbine exhausts to generate steam that drives another turbine for additional power generation. However, the H System uses steam rather than air to cool the turbines, which allows the system to operate at higher temperatures and results in greater efficiency, using about 3 percent less fuel.

The first GE H System unit was installed in Baglan Bay, Wales, began operation in September 2003, and recently surpassed 17,000 operating hours.

GE will finance and own the energy center, and Calpine will manage plant construction, market plant generation and manage fuel requirements under a long-term agreement. Calpine plans to purchase the facility from GE and become sole owner and operator after an extended period.


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