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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

Regulators Okay Two Wisconsin Energy Power Projects

LCG, Oct. 18, 2001--The Wisconsin Public Service Commission has voted to let Milwaukee-based Wisconsin Energy Corp. move ahead with plans to add 2,800 megawatts of new generating capacity at its Port Washington and Oak Creek plants over 10 years, the company said yesterday.

Richard A. Abdoo, Wisconsin Energy chief executive said, "This is a significant first step toward ensuring the growth of new electricity supplies to meet growing demand in our state. A diverse coalition of consumer, industry and labor groups has worked to bring the Power the Future plan to this point, and we are pleased that we can continue to move forward."

State officials say Wisconsin will need more than 7,000 megawatts of new generation in the next 15 years.

The company plans to replace five coal-burning units at its 340 megawatt Port Washington plant with two 500 megawatt gas-fired units. It also will add three 600 megawatt coal-fired units at its 1,157 megawatt Oak Creek plant, bringing plant capacity to 2,957 megawatts at the coal burner.

The modifications to the two plants will cost $3 billion, said Margaret Stanfield, a spokeswoman for the company.

The approvals cover only part of an ambitious plan by Wisconsin Energy to upgrade power plants and spend $2.7 billion on its transmission and distribution systems, and those projects still must be approved by regulators.

Of this week's approvals, company spokesman Mike John said "There was a big step made, but it's only a first step. We still need to be able to prove to the commission that the projects are both needed and cost effective."

There will be opposition to Wisconsin Energy's plans. An attorney for the Midwest Independent Power Suppliers representing 15 independent power producers said "This (order) specifically stated that the commission has not determined that (Wisconsin Energy's) proposal to build these plants over alternatives complies with Wisconsin law."

Freddi Greenberg, a lawyer for the group, warned "We believe it will be very difficult for (the company) to show that it has considered alternatives to the necessary extent without a competitive process."

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