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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

Bulgaria Inks $1.4 Billion Contracts with Entergy, AES

LCG, June 13, 2001Bulgaria's reform government yesterday signed as expected $1.4 billion worth of electric power deals with two U.S. companies, AES Corp. and Entergy Corp. The signing is seen as bolstering the government's position in elections scheduled for this weekend.

Ivan Shilyashki, head of Bulgaria's energy agency, said "The large-scale investment of $1.4 billion is significant for Bulgaria's power industry." It is also significant for the incumbent government, as it is expected to create new jobs, improve the country's energy output and significantly reduce pollution.

Both projects are located in Bulgaria's Maritsa region, a lignite coal mining area. Lignite, also known as brown coal, is something between peat and bituminous coal, and presents a significant environmental challenge.

The project between Bulgaria's National Electricity Company and AES Corp. calls for a $900 million investment in a new 670 megawatt lignite-fueled power plant in the Maritsa East One area, replacing an old plant of smaller capacity.

Construction on the AES plant could begin late this year or in early 2002, according to Richard Mardon, who heads the company's operations in Central and Eastern Europe. The new facility is expected to provide 11 percent of Bulgaria's electricity.

The Entergy contract, also with the national Electricity Company, calls for a $470 million investment to upgrade and operate an existing 840 megawatt plant at Maritsa East Three. That project is expected to get underway later this year.

Geoffrey Roberts, chief executive of Entergy Wholesale Operations, said the project will improve reliability, add 20 years to the life of the plant and "preserve critical jobs in the region surrounding the plant and provide Bulgaria with a competitive source of electricity."

He called the project "one of the largest environment control efforts in all of Europe," and said it would cut emissions of sulphur gases and other pollutants by 90 percent at the plant.

Mardon said "We believe the two projects will attract significant amount of foreign investment into the country and also will provide significant environmental benefits."

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