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UES is committed to promoting the use of renewable energy by residential and commercial customers.
Under the state's Renewable Energy Standard and Tariff (REST), approved in 2008 by the Arizona Corporation Commission (ACC), UES and other electric utilities in Arizona are required to supply increasing amounts of renewable energy, with a target of 15 percent of total power sales by 2025.
Arizona Goes Solar is a collaborative effort led by the Arizona Corporation Commission and implemented by the regulated electric utilities in Arizona. This website is designed to provide residential and business customers with a single source of information regarding solar energy options and incentives. The program was created to provide consumers information regarding:
View and download the Renewable Energy Standard and Tariff (REST) Implementation Plan.