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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

Calpine Plant Approved But Company Awaits Contract

LCG, September 12, 2002-California regulators approved a new 600-megawatt plant this week, but Calpine has announced it will not build until it signs a power contract.

The gas-fired Russell City Energy Center will be built some 16 miles southeast of Oakland and is expected to begin operations by spring of next year.

Calpine officials said yesterday that the low cost of wholesale electricity prevents the company from beginning construction on the Russell Center until power purchasing contracts are made.

The natural electricity purchaser for the region is Pacific Gas & Electric utility, subsidiary of the PG&E Corporation. Unfortunately, the utility filed for bankruptcy last year and requires bankruptcy court approval in order to buy power. In a step to facilitate purchasing in the power-starved region, the California Public Utilities Commission has recently allowed the not-so-creditworthy utility to take part in five-year contracts as long as they are backed by the Department of Water Resources.

Calpine acknowledges that the CPUC allowance may help to expedite the process, but the company has also been discussing contracts with other interested agencies and municipalities.
Located in San Jose, California, Calpine Corporation owns over 70 power plants, supplying over 16,000 MW in capacity nationwide.

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