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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

Calpine to Build 600 Megawatt Wisconsin Plant

LCG, Feb. 14, 2001Calpine Corp. said yesterday its Sky Gen Energy subsidiary will build a 600 megawatt, natural gas-fueled, combined-cycle merchant power plant in Wisconsin at a cost of $350 million.

The new facility, to be called the RiverGen Energy Center, will supply 453 megawatts of capacity to Wisconsin Power & Light Co. under a 10-year contract. The balance of the plant's output will be sold on the regional wholesale power market.

Bill Harvey, president of WP&L's parent holding company Alliant Energy Inc., said "Wisconsin is in desperate need of additional electric infrastructure. Along with Sky Gen Energy, we are taking a significant step forward to help address this critical state issue."

The proposed plant will be located on property adjacent to an existing WP&L generating station near Beloit, Wisc. Construction is schedule to begin this summer and commercial operations are penciled in for the summer of 2003.

Sky Gen president Michael Polsky said "By locating the RiverGen facility at WP&L's existing plant site, we can lower costs, and optimize efficiencies to build a world-class energy resource."

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