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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

Chicago Sewer Repair Leads to Large Gas Outage

LCG, Feb. 28, 2002--Following the accidental rupture of a gas line on Chicago's Southwest Side Tuesday, over 4,500 residences, schools and businesses had their gas supplies turned off.

Sewers Commissioner John Roberson said that a crew working on a sewer line had been trying to retrieve an abandoned cast-iron pipe. When they did so, they "accidentally clipped the (gas) line."

Gas escaping from the line was ignited by propane heaters that were being used by the crew, which caused a fire, with flames reportedly leaping 60 feet. No one was seriously hurt by the blast.

Environment Commissioner Marcia Jimenez hoped to determine why People's Energy, the gas company, required three and one half hours to shut off all valves to the gas main. Two mains were shut off after gas still appeared to be leaking from the line. It was later discovered that the first main to be shut off had continued to leak gas due to a valve not being completely closed.

1,600 customers were expected to have gas restored by midnight Wednesday, and People's Energy estimates the rest will have gas again by Friday. Most residents have remained at home or stayed with friends or relatives. This has been one of the "colder weeks of the year" even before the disruption.
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