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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

Mid-American Unit Sues SoCal Ed over Payment

LCG, Nov. 15, 2001--A subsidiary of a major Midwestern utility holding company said it filed a $100 million lawsuit yesterday against Southern California Edison Co., alleging the struggling utility has reneged on an agreement to pay part of its past-due bill.

CalEnergy Operating Corp., which is 50 percent owned by Mid-American Energy Holdings Corp., said it file suit in California Superior Court in Imperial County claiming SoCal Ed had reneged on an October promise to begin paying overdue bills for electricity produced at its geothermal plants.

In exchange for that agreement, CalEnergy and several other non-utility power producers known as "qualifying facilities" agreed not to file a petition which would force the utility into involuntary bankruptcy.

David Sokol, chairman of CalEnergy's parent company, said SoCal Ed "is reneging on its agreements with renewable energy producers. Edison protects its shareholders while little players across the state, including vendors and landowners in Imperial County, suffer."

Qualifying facilities are not, for the most part, "renewable energy producers." Most are medium-size conventional gas-fueled plants, many of which are cogeneration units, built in response to the Public Utility Regulatory Policies Act (PURPA) of 1978.

SoCal Ed took umbrage in a statement issued yesterday. "We categorically reject as untrue the claim that SCE breached any settlement agreement with CalEnergy or otherwise acted inappropriately," the utility said, adding that it hoped to be able to pay all its creditors early in the new year.

"Meanwhile, we believe it is important to deal fairly and equitably with all creditors and not to single out one group for preferential payments," the company said.

Mid-American Energy is majority owned by billionaire investor Warren Buffett's Berkshire Hathaway Inc. and is the largest utility in Iowa, with operations extending into Illinois and South Dakota.

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