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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

NRG Announces Plans for New Nuclear Reactors in Texas

LCG, June 22, 2006--NRG Energy, Inc. (NRG) announced yesterday plans to develop approximately 10,500 MW of new electric generating capacity in the United States, including 2,700 MW of new nuclear capacity. The plan would be implemented over the next ten years and would require a total estimated investment of $16 billion.

The plan calls for the construction of two nuclear reactors at the existing South Texas Project (STP) nuclear facility. NRG filed a letter of intent with the Nuclear Regulatory Commission on June 19 to add 2,700 MW of nuclear generating capacity. NRG's estimated construction cost for Units 3 and 4 is $5.2 billion, and operations for the two units are scheduled to commence in 2014 and 1015.

NRG's nuclear plans are based upon General Electric Company's Advanced Boiling Water Reactor (ABWR) nuclear power plant technology, which has been licensed in the United States, Japan and Taiwan. NRG stated that it intends to work with GE and Hitachi,(which has been involved in developing and constructing four ABWR plants in operation in Japan) to construct the nuclear power plants.

NRG's overall development plan calls for nearly 8,000 MW of new baseload capacity and 2,500 MW of new, highly efficient intermediate and peaking capacity. The new baseload capacity includes three coal-fired plants in the Northeast that will employ an advanced, Integrated Gasification Combined Cycle (IGCC) design. One of NRG's underlying strategies embedded in its plan is to add capacity adjacent to existing generating units to leverage existing infrastructure and generally minimize both incremental environmental impacts and costs.

NRG stated that the investments in new capacity will be underpinned by long term off-take contracts and hedges that support non-recourse project financing, together with third party equity partners and the Company's existing cash flows.

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