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1.2-GW solar project to tie into existing 300-MW coal plant in Texas

By Kelly Pickerel | July 23, 2026

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A massive 1.2-GW solar project has begun construction on an existing coal mining site midway between Dallas and Houston in Texas. The $1.7 billion Big Rooter Power project is funded by Panamint Capital. SOLV Energy is serving as the EPC contractor and will install First Solar panels and Nextpower trackers.

Twin Oaks coal plant. Credit: Google Maps

The first phase of the project, the 491-MW Big Rooter West, is expected to enter commercial operation in August 2028. The 658-MW Big Rooter East will begin construction next year and enter commercial operation in August 2029. The two projects will create over 800 construction jobs.

The projects will be nearby the Twin Oaks power site, which consists of a 310-MW coal-fired power plant in Bremond, Texas.

“Big Rooter Power represents our vision for getting more out of America’s energy infrastructure and ensuring America’s energy dominance,” said Apolka Totth, Panamint CEO. “When Big Rooter is complete, the Twin Oaks complex will have 1.5 GW of operating thermal and renewable power, in addition to over 20 miles of new 345 kV transmission, 1.6 GWh of battery energy storage and 790 MW of Batch Zero data center capacity under development across our 10,000-acre site.”

There is no plan to retire the coal plant.

“Big Rooter is a landmark project that reflects the scale of investment being made in America’s energy future,” said George Hershman, SOLV Energy CEO. “We are proud to partner with Panamint on this important project and help bring their vision to life. From project delivery through long-term asset performance, our focus is on creating lasting value for communities, customers and stakeholders.”

News item from Panamint

About The Author

Kelly Pickerel

Kelly Pickerel has more than 15 years of experience reporting on the U.S. solar industry and is currently editor in chief of Solar Power World. Email Kelly.

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