The Marigold Energy Center, about 45 miles south of Phoenix, would include 400 MW of battery storage, 600 MW of solar generation, up to 675 MW of gas generation and a new substation.
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The Marigold Energy Center, about 45 miles south of Phoenix, would include 400 MW of battery storage, 600 MW of solar generation, up to 675 MW of gas generation and a new substation.
Published July 21, 2026
Phoenix, Arizona. Salt River Project plans to seek approval from its board in September 2026 to develop the mixed-resource Marigold Energy Center about 45 miles south of the city to serve growing demand in Maricopa and Pinal counties.
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