ContourGlobal signs long-term PPA with Tesla for the Sterling 509 MW DC / 450 MW AC solar and 360 MW / 1.4 GWh BESS hybrid project in Arizona

Type: Ppa · Technology: Solar, Storage · Country: United States · Capacity: 509 MW · Announced: 2026-07-30

ContourGlobal signed a long-term power purchase agreement with Tesla for about 1 TWh/year — roughly 90% of output — from the Sterling hybrid solar (509 MW DC / 450 MW AC) and 360 MW / 1.4 GWh battery storage project in Arizona, which will start construction in 2026 and target commercial operation in 2028.

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