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UES utility operations are regulated by the Arizona Corporation Commission (ACC).

Pricing Plans

Review UES electric pricing plans (tariffs), gas pricing plans (tariffs) applicable taxes and the Market Generation Credit Calculation.


OASIS is a regional transmission market for power traders.


Review FERC Standards of Conduct postings in the Standards of Conduct folder on OASIS.

Voluntary Solar Contribution Program
Plugged In
Business Owners