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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

Sempra Announces Expansion Plans for Mesquite Solar Complex in Arizona

LCG, September 16, 2015--Sempra U.S. Gas & Power announced Monday its planned 100-MW expansion of the Mesquite Solar complex in Arizona. Southern California Edison has agreed to purchase all of the power generated from the expansion under a 20-year power purchase agreement (PPA), which is subject to approval by the California Public Utilities Commission (CPUC). The project, Mesquite Solar 2, is scheduled to be completed in late 2016.

The Mesquite Solar complex is located on a 4,000-acre site approximately 60 miles west of Phoenix, Arizona. Construction on Mesquite Solar 2 is scheduled to commence this fall. The first phase of the project, Mesquite Solar 1, is a 150-MW photovoltaic (PV) facility that is a joint venture between Sempra and Consolidated Edison Development. The initial phase began commercial operation in January in 2013 and is equipped with 800,000 Suntech multi-crystalline solar panels using Pluto cell technology. The output is purchased by Pacific Gas & Electric (PG&E) under a 20-year PPA. The third phase, Mesquite Solar 3, was announced by Sempra Energy last month and will be a 150-MW expansion scheduled to be completed by the end of 2016. The Mesquite Solar 3 project output will be delivered to 14 Navy and Marine Corps installations in California. By 2017, the total installed capacity of the Mesquite Solar complex will be 400 MW.

The president of renewables for Sempra U.S. Gas & Power stated, "We are pleased to support Southern California Edison's commitment to diversify its growing renewable energy portfolio through the development of Mesquite Solar 2. The expansion of our landmark Mesquite Solar complex reflects the progressive vision and leadership by the state of Arizona and Maricopa County, and we look forward to delivering a new supply of clean, emission-free energy to California consumers."
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