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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

Spanish Regulators Due to Rule on Endesa-Iberdrola Deal

LCG, Jan. 10, 2001Spanish regulators were to rule today on the planned acquisition of Iberdrola by Endesa, a combination which if left alone would result in a company controlling more than 80 percent of Spain's power supply.

People familiar with the Spanish competition tribunal say that its criterion will be that the combined company control a maximum of 40 percent of the separate sectors of the country's electricity business. The companies have expressed willingness to cut back their combined generating capacity to 40 percent of the market, but they had planned to keep at least half of their 8 million retail customers and almost two-thirds of the Spanish transmission and distribution business.

In making its offer for Iberdrola, Endesa trumped a bid by Gas Natural, an affiliate of Repsol YPF, and now Repsol is the most vocal critic of the Endesa-Iberdrola combination. Repsol want the deal blocked until the companies provide a list of the businesses they are willing to divest and a timetable for disposing of them.

Endesa and Iberdrola have both said that government conditions imposed on the merger could scotch the deal if they were too severe. Iberian observers pooh-pooh such talk as rhetoric aimed at speeding up the approval.

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