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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

British Energy Takes Over Ontario Nukes

LCG, May 14, 2001Ontario Power Generation said on Saturday that it had closed a transaction under which a joint venture between British Energy Plc, the big UK nuclear generator, and uranium supplier Cameco Corp. will become operator of OPG's Bruce nuclear power plants.

British Energy will initially own 85 Percent of the venture, to be called Bruce Power, but that will drop to 79.8 percent as two unions representing workers at the plants take up a combined 5.2 percent interest by 2003. Cameco will own the other 15 percent.

Under the deal, Bruce Power becomes the licensed operator of the four-unit, 3,140 megawatt Bruce B station and also of shuttered Bruce A, which also has four reactors. Two of the Bruce A units may be restarted, adding 1,500 megawatts.

All of the output from the Bruce plants will be sold into the Ontario wholesale power market, which is scheduled to open to competition in May of next year. Until then, the output will be sold to OPG under transitional arrangements.

The Bruce nuclear plants are located about 150 miles northwest of Toronto.

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