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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

Entergy to buy Vermont Yankee Nuke for $180 Million

LCG, Aug. 16, 2001--Entergy Corp. said yesterday it had reached agreement with the state of Vermont and owners of the Vermont Yankee nuclear power plant for the purchase of the facility for $180 million.

The Vermont Yankee Nuclear power Corp. and Entergy said the cash deal includes $135 million for the facilities and $35 million for nuclear fuel on hand.

Entergy's offer is nearly twice that of AmerGen Energy Co., the joint venture between the Peco Energy Co. unit of Exelon Corp. and British Energy, the UK's nuclear power producer. AmerGen's offer was rejected in February by Vermont regulators after other nuclear power plants in the Northeast were sold for more than bargain basement prices.

The sale of the 540 megawatt Vermont Yankee to Entergy must be approved by the Vermont Public Service Board, the U.S. Nuclear Regulatory Commission, the Federal Energy Regulatory Commission and other regulatory agencies, but there is little doubt that Entergy will be approved as the new owner. The New Orleans-based company already owns nine other nuclear plants, and Vermont Yankee would become its fifth in the Northeast.

Entergy said in a news release that it expects similarities between Vermont Yankee and other recent acquisitions to generate significant savings. "We expect to realize significant operating efficiencies since Vermont Yankee is a sister plant to our Pilgrim plant in Plymouth, Mass., and our FitzPatrick plant in Oswego County, N.Y.," Wayne Leonard, Entergy's chief executive, said in the statement.

Under the sales agreement, Entergy will retain Vermont Yankee's 450 employees and continue to operate the plant at least through its current license, which expires in 1012. The deal also requires Entergy to sell power from the plant to its current utility owners at average prices ranging from $39 to $45 per megawatt-hour through the life of the license.

Entergy said it was probable that it would ask the NRC for a 20-year extension on Vermont Yankee's operating license.

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