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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

AmerGen Loses Bid for Vermont Yankee Nuke

LCG, Feb. 16, 2001The Vermont Public Service Board has rejected the latest offer by AmerGen Energy Co. to purchase the 510 Vermont Yankee nuclear power plant near Brattleboro, Vt., saying the company's offer for the facility did "not reflect the fair market value of Vermont Yankee and thus cannot, as a matter of law, be found to promote the general good."

The plant's operator, Vermont Yankee Nuclear Corp., said yesterday it wants to work with state regulators to sell the plant at auction, in light of the high prices paid for other nuclear plants in the Northeast.

AmerGen's most recent offer for Vermont Yankee was about $51.5 million, but Millstone in Connecticut recently sold for $1.2 billion, Nine Mile Point in New York for $1.0 billion, Fitzpatrick and Indian Point 3, also in New York, for $1.0 billion and Indian Point 2 in New York for $602 million.

On top of that, the operators say, the 29-year-old plant is running better than ever. In 2000, they said, Vermont Yankee produced 4.5 billion kilowatt-hours of electricity at an average cost of 3.9 cents per kilowatt-hour. That amount of power production would give the plant a capacity factor in excess of 100 percent.

The owners of Vermont Yankee are Central Vermont Power Co. (30 percent), National Grid Group Plc (21 percent), Green Mountain Power Co. (17 percent), Northeast Utilities (14 percent), the Vermont Group (7 percent), other municipal and co-ops (5 percent), Central Maine Power Co. (4 percent) and Cambridge Electric Light Co. (2 percent).

Vermont Yankee provides about a third of the power used in the state of Vermont.

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