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Sierra Club’s Grand Canyon chapter

In Arizona, Utilities and State Regulators Double Down on Fossil Fuels and Higher Costs Despite Residents’ Opposition

The Trump administration has terminated billions in clean-energy funding, while the state’s utilities commission is proposing to rescind energy-efficiency and renewables standards, as Arizona’s biggest utilities propose rate hikes.

By Wyatt Myskow

At the Tucson Convention Center in August 2025, demonstrators opposed "Project Blue," a massive data center installation proposed by Amazon Web Services. Data centers have also now become a flashpoint in Phoenix, the third largest data center market in the country. Across the state, ratepayers are linking data center development to higher electric bills. Credit: Wild Horizons/Universal Images Group via Getty Images

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