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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 Adds to Natural Gas Reserves

LCG, July 11, 2001Calpine Corp., which is building gas-fired power plants as fast as possible, yesterday said that it has acquired in two transactions 236 billion cubic feet equivalent of proven natural gas reserves in the U.S. Southwest.

Chris Chambers, the company's vice president for business development, said "With these properties in place, Calpine is continuing to meet our goal of owning 25 percent of our natural gas requirements."

Combined, the two deals represent an investment of $355 million plus assumption of $49.5 million in debt, Calpine said.

In a purchase from The Bayless Companies, Calpine acquired certain assets in New Mexico's San Juan Basin, including 35 wells that produce about 6 million cubic feet equivalent a day, 96 percent of which is natural gas. That transaction has closed, Calpine said.

In the second deal, Calpine acquired a majority interest in Michael Petroleum of Houston. Michael Petroleum's gas reserves, located in South Texas, include total proven reserves of 204 billion cubic feet equivalent and currently produce 43 million cubic feet equivalent a day.

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