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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

Coal-Fired Generation at the Intermountain Power Project to End in 2025

LCG, May 25, 2017--The owners of the Intermountain Power Project announced on May 23 that they will cease electricity generation fueled by coal in 2025. The decision is driven by the loss of existing customers, environmental regulatory issues, and competition from both gas-fired generation that benefits from low natural gas prices and growing renewable (wind and solar) capacity supported by state renewable portfolio standards (RPS's).

The Intermountain Power Project ("IPP") is located near Delta, Utah and began commercial operations in 1986. The electric generating facility includes a two-unit, 1,800-MW coal-fired station; two transmission systems; a microwave communication system and a railcar service center; all built as a joint undertaking by 36 utilities in Utah and California.

Nearly all of the electricity generated by the IPP has been delivered to six municipal power systems located in southern California, with the largest being Los Angeles Department of Water and Power (LAWDP). However, under California state law, these municipalities are now prohibited from purchasing coal-fueled electricity after their existing power purchase agreements (PPA's) expire.

"We are saddened to announce this decision, but factors beyond our control make continued operation of the coal units unfeasible after their current power purchase agreements expire," said the Board of Directors Chairman for Intermountain Power Agency ("IPA.") "We are mindful of the substantial economic contribution IPP makes to rural Utah and we will vigorously continue efforts we began years ago to diversify and provide project benefits for its employees and surrounding communities for as long as feasible."

IPP participants are preparing plans to develop new natural gas-fired electricity generation at the project site. Thirty-two municipal power systems and rural electric cooperatives have subscribed to participate in the gas project and engineering has begun. The project envisions about 1,200 MW of new natural gas-fueled electricity generation at the site that would become operational in 2025.

In addition to the new natural gas project under development, other energy projects have been attracted to the area by IPP's substantial infrastructure, according to the IPA. Over 300 MW of wind farms located in Millard and Beaver counties connect to the grid at the IPP's switchyard. Furthermore, salt dome caverns have been constructed immediately adjacent to IPP and are currently in operation for storage of natural gas liquids. Future cavern development could provide storage capacity for other materials, such as natural gas or other fuel products, or for compressed air energy storage (CAES).
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