Tesla signs 1 TWh annual power deal with ContourGlobal's Arizona solar-storage project

Tesla will purchase 90% of the output from Project Sterling, a 509 MW solar and 360 MW battery facility in Arizona expected to begin operations in 2028, in one of the largest corporate renewable energy agreements ever signed.

First covered Jul 28, 2026 · 8:32 AM PT · 3 articles · no longer in the live window

Tesla signs 1 TWh annual power deal with ContourGlobal's Arizona solar-storage project — Image via electrek.co

Coverage

58d PV Magazine Tesla, ContourGlobal enter 1 TWh solar-storage PPA in Arizona — Tesla will buy around 1 TWh per year of electricity from ContourGlobal’s hybrid solar and storage project in the US state of Arizona, which is due to begin…

59d CleanTechnica Tesla & ContourGlobal Sign Long-Term Power Agreement Covering 1 Terawatt-Hour/Year for Sterling Renewable Project — This is one of the largest solar-plus-battery storage corporate PPA ever signed from a single plant in the U.S., and it will be served by the largest renewable…

60d Electrek Tesla buys 90% of a 509 MW Arizona solar and storage project — Tesla has signed a long-term deal to buy 90% of the output of Project Sterling, a big solar and battery plant going up in Arizona.

Related coverage

60d Electrek Tesla buys the entire output of a new 140 MW Texas solar farm

More coverage from around the web

gurufocus.com Tesla (TSLA) Signs Long-Term Power Purchase Agreement for Arizona Solar Project

stocktwits.com Tesla Signs Major Arizona Power Deal – Gary Black Expects TSLA Stock To Fall Below $300

finance.yahoo.com Tesla to buy power from Arizona solar project

newsable.asianetnews.com Tesla Signs Major Arizona Power Deal – Gary Black Expects TSLA Stock To Fall Below $300 | Asianet Newsable

gurufocus.com TSLA Looks 6.0% Undervalued on GF Value™ as Solar Deal Boosts Long-Term Outlook

Appeared in: 2026-07-28 (#4) · 2026-07-29 (#8) · 2026-07-30 (#4)

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