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MISO Long-Term Nodal Insights

LCG, November 12, 2025--LCG Consulting is excited to announce the release of the MISO 2034 Data Model, built from the latest MISO Transmission Expansion Plan (MTEP). This powerful, nodal-level data model offers a forward-looking view of generation, transmission, and load forecasts across the MISO region—empowering energy professionals to explore the grid of the future with confidence.

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Xcel Energy and "Allies" Request Retirement Extension for Comanche Generating Station Unit 2

LCG, November 12, 2025--Xcel Energy, together with the Utility Consumer Advocate (UCA), Colorado Energy Office (CEO), and Trial Staff of the Public Utilities Commission (PUC), filed a petition on November 10 requesting Commission approval to keep Comanche Generating Station Unit 2 available for up to one additional year after its currently planned retirement on December 31, 2025.

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Industry News

NRC Approves Westinghouse Electric's AP1000 Nuclear Plant Design

LCG, January 4, 2006--The U.S. Nuclear Regulatory Commission (NRC) approved the Design Certification for Westinghouse Electric Company's AP1000 standard nuclear plant design on December 30, 2005. The AP1000 reactors are each able to generate 1,100 MW of electricity. With approval of the new design, which incorporates passive safety features that rely upon natural forces, the nuclear industry is poised to begin a new wave of expansion.

The AP1000 has been identified by Duke Power as the basis for its plans to prepare a combined construction and operating license (COL) application to construct two nuclear reactors. Duke Power, a business unit of Duke Energy, plans to identify its preferred site this month and to submit the COL application to the NRC within the next 24-30 months.

NuStart Energy Development, LLC, a consortium formed to support the development of new nuclear reactors, plans to use the AP1000 in its application to the NRC for a COL at the Bellefonte Nuclear Plant (owned by the Tennessee Valley Authority) near Scottsboro, Alabama.

NuStart also plans to prepare and submit an application incorporating the General Electric (GE) Economic Simplified Boiling Water Reactor (ESBWR) at the Grand Gulf Nuclear Station (owned by Entergy Nuclear) in Port Gibson, Mississippi. The GE design is also passive, with a nominal generating capacity of 1,550 MW. GE is trailing Westinghouse with respect to receiving Design Certification from the NRC. GE's application for the ESBWR Design Certification was submitted on August 25, 2005 and accepted as sufficient to be formally docketed and reviewed on December 2, 2005.

The development of new nuclear reactors is especially prevalent in the Southeast. Utilities, including Southern, Progress, SCANA, Santee Cooper, Duke, Entergy, and TVA have announced plans to add more than 15,000 MW of new nuclear generating capacity in the period from 2015 to 2017.

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