CITIZEN POWER ALLIANCE

The Goldwater Institute is asking the state Supreme Court to strike down rules that require Arizona Public Service Co. to get a certain percent of electricity from renewable sources such as solar.

The organization filed a petition last week arguing that the Arizona Corporation Commission overstepped its authority by requiring APS to charge customers a monthly tariff to support renewable energy.

Officials said they are hopeful that by targeting the APS tariff, they can get the renewable-energy rules stricken and free other state utilities from the requirement.

The commission passed a requirement in 2006 requiring public utilities to get 15 percent of their electricity from renewables by 2025 and earlier this year approved an increased tariff on APS customers to help the utility provide incentives for that power.

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