Solar + Storage Construction Starts on Project Sterling in Arizona
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The Sterling plant will supply a long-term energy sales contract (PPA) with Tesla for more than 1 TWh of clean electricity a year: one of the largest corporate solar PPPs ever signed for a single hybrid renewable plant in the United States and ContourGlobal's largest PPP to date.
Solar + storage construction starts on Project Sterling in Arizona
Solar and storage system construction has begun for Project Sterling in Mohave County, Arizona. ContourGlobal is building the 509-MW solar and 1.4-GWh storage project, for which Tesla has already signed a PPA. “Arizona’s sun has been shining on this land for billions of years. Project Sterling will put it to work by turning sunlight into…
Tesla-Backed 509 MW Solar and 360 MW Battery Project Starts Construction in Arizona
A Tesla-backed solar and battery project in Arizona has reached a major construction milestone, with Project Sterling combining 509 MWp of solar generation with 360 MW of battery storage. ContourGlobal held a groundbreaking ceremony for the project in Topock, Mohave County, on October 7, 2026, bringing state and local officials, project partners and community representatives […]
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