Arizona's Mesquite Complex Is a Solar City in the Desert (2025)
The Mesquite Solar Complex in Arizona is one of the largest photovoltaic installations in the U.S., showcasing the evolution of utility-scale solar energy. Initially launched in 2011, it now delivers approximately 530 megawatts of solar capacity, enough to power around 150,000 homes annually. The complex continues to expand, with new solar projects and battery systems being added to enhance its capacity.
- ▪The Mesquite Solar Complex began in 2011 and has grown through five development phases.
- ▪It currently delivers roughly 530 megawatts of solar capacity supported by a 70 MW battery system.
- ▪The project has shifted ownership over time, reflecting the growing interest in large-scale solar from global utilities.
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BusinessEnergyArizona’s Mesquite Complex Is A Solar City In The DesertByRobert Rapier,Senior Contributor.Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector.Follow AuthorDec 12, 2025, 06:00am ESTAerial Image of Mesquite Solar Complex in Arizona.Robert RapierOn a recent flight from Los Angeles to Phoenix, I glanced out the window as the aircraft slowly descended over the open desert west of the city. The landscape shifted abruptly from endless scrubland to an expanse of mirrored rectangles stretching to the horizon.
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