In Pictures: Tesla Signs 1 TWh/Year Solar-Plus-Storage PPA for ContourGlobal's Arizona Project

A technician secures a solar panel connection at Project Sterling, the Arizona hybrid facility behind Tesla's 1 TWh annual power purchase agreement.

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Workers inspect solar infrastructure during construction of ContourGlobal's Project Sterling, which will supply roughly 90% of its output to Tesla.

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The solar-plus-storage project in Arizona is central to Tesla's strategy of pairing renewable generation with large-scale battery capacity.

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Tesla's landmark PPA with ContourGlobal covers about 1 terawatt-hour per year, a scale underscoring the growing role of hybrid plants.

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Project Sterling's solar array is designed to deliver steady power day and night through its integrated storage system.

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Field maintenance at the Arizona facility highlights the operational demands of a project sized for Tesla's massive annual energy commitment.

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The PPA signed with ContourGlobal marks one of the largest solar-plus-storage deals in the U.S., with Tesla as anchor buyer.

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A solar technician checks panel alignment at Project Sterling, where hybrid generation is key to meeting Tesla's clean power needs.

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Tesla's agreement to purchase 1 TWh annually from Project Sterling signals a shift toward baseload-like renewable contracts.

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