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A fire and explosion in April 2019 halted the expansion of batteries for Arizona Public Service Co., but the state’s largest utility has restarted the…
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One of Arizona's largest utilities is seeking companies to build solar plants to provide up to 400 megawatts of power, including 200 megawatts from Navajo…
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Tesla is trying to spark its solar-panel business by letting consumers rent rooftop systems rather than buy them in a few states including Arizona.Tesla…
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The coal-burning Cholla Power Plant near Holbrook is slated to close in 2025. One of the owners, Arizona Public Service Company, is considering converting…
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Arizonans are being asked to decide a ballot initiative that would boost renewable energy use. KNAU’s Ryan Heinsius reports, Proposition 127 would mandate…
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Wind and solar power currently account for less than 10 percent of the energy produced in Arizona. KNAU’s Ryan Heinsius reports, a proposed state…
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The City of Flagstaff is partnering with the Hopi Tribe on a large-scale renewable energy project. KNAU’s Ryan Heinsius reports, it’s designed to provide…
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The Trump Administration has imposed a tariff on imported solar panel components. It’s meant to protect American businesses, but experts say it could hurt…
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The Navajo Generating Station is slated to close in 2019, and officials are considering several potential buyers to prevent the shutdown. In July, U.S.…
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A Michigan-based company wants to build a hydropower project near Seligman that would store wind and solar energy until it’s needed. An environmental…