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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

Mirant Buys Two Southeast U.S. Plants from El Paso

LCG, Aug. 9, 2001--Mirant Corp. said yesterday it has agreed with El Paso Corp. on the purchase of two power plants with a combined capacity of 1,120 megawatts in the U.S. Southeast for $330 million.

Mirant will acquire El Paso's 640 megawatt natural gas-fired power plant in Thomaston, Ga., and its480 megawatt gas-fired plant in New Port Richey, Fla., north of Tampa, the companies said in a jointstatement.

The Thomaston plant has been in commercial operation since June of last year, while the New Port Richey plant is schedule to begin production next March. Mirant will provide power from the plants under several of purchase agreements already in place, the company said.

"We see this asset combination as a great opportunity to participate in two of the fastest growing markets in the country," said David Rozier, chief executive of Mirant's southern U.S. operations. "These acquisitions provide a clear complement to Mirant's fully integrated asset, marketing and risk management capabilities."

A Mirant spokesman said the transaction would involve the assumption of $150 million in debt, and added that the company expected to close the agreement in early October, after getting regulatory and certain third party approvals.

"This transaction enables El Paso to optimize the value of these assets while redeploying the capital to our growing and diverse power generation portfolio," said Clark C. Smith, president of El Paso Merchant Energy-North America. "We will continue to pursue greenfield power development and acquisition opportunities in strategic locations across North America."

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