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Minnesota PUC Approves Operations Extension for Xcel Energy's Prairie Island Nuclear Plant

LCG, August 15, 2025--Xcel Energy announced that the company received state approval yesterday from the Minnesota Public Utilities Commission to extend operations of the Prairie Island nuclear plant through the early 2050s. Prairie Island has two units that have a combined generating capacity of 1,100 MW. The units’ current operating licenses expire in 2033 and 2034.

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PGE Announces Addition of 475 MW of Battery Energy Storage Systems to Improve Grid Reliability and Costs

LCG, August 7, 2025--Portland General Electric (PGE) today announced the completion of three, four-hour lithium-ion utility-scale battery energy storage systems (BESS) in Oregon, adding 475 MW and more than 1.9 GWh of dispatchable capacity to serve the Portland metro area. Each of these BESS facilities can deliver power during peak demand or when other electric generating facilities are limited, which improves system flexibility, reliability and costs.

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Industry News

SoCalGas Demonstrates Advanced Solar Cogeneration System

LCG, May 23, 2012--Southern California Gas Co. (SoCalGas) announced that it has initiated a multi-year demonstration of an advanced solar cogeneration system that incorporates concentrated solar photovoltaic (PV) cells. The design, manufactured by Cogenra Solar®, offers the potential for increased efficiency in converting solar energy into both electricity and hot water.

The modular design integrates advanced silicon PV cells, concentrating mirrors with single-axis tracking, and a thermal transfer system to cool the PV cells. The cooler operating temperature for the PV cells increases cell efficiency - and the "waste" heat is used to heat water. A system is now installed at SoCalGas' Energy Resource Center in Downey, California.

SoCalGas Vice President of Customer Solutions stated, "We are excited about the potential of this advanced solar cogeneration system to provide costs savings, sustainable energy and lead to the creation of green jobs. This project will showcase new solar technology and provide a renewable resource for our customers, which contributes to California's renewable energy goals. The start-up of Cogenra's system on the roof has been surprisingly simple and easy due to its modular plug & play design."

The integrated design is modular and small enough in scale to be installed on commercial and industrial building rooftops. Given greater efficiencies, the design requires less space than traditional flat-panel PV systems, plus it delivers hot water.
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