Tesla signs PPA for large solar + storage project in Arizona

Posted on July 29, 2026 by Ritesh Pothan

Tesla has signed a PPA with ContourGlobal for the power generated from Project Sterling, a 509-MW solar and 1.4-GWh energy storage project in Arizona. Construction on Project Sterling started in 2025, through off-site physical work to meet subsidy deadlines. Commercial operation is targeted for 2028. “Securing our biggest PPA ever … is a testament of…

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About Ritesh Pothan

Ritesh Pothan, is an accomplished speaker and visionary in the Solar Energy space in India. Ritesh is from an Engineering Background with a Master’s Degree in Technology and had spent more than a decade as the Infrastructure Head for a public limited company with the last 9 years dedicated to Solar and Renewable Energy. He also runs the 2 largest India focused renewable energy groups on LinkedIn - Solar - India and Renewables - India
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