Learn about the rate case process. Click on the link by RUCO.
https://ruco.az.gov/about/rate-making-process
Aug 13, 2026
Contact Commissioner Lea Márquez Peterson
Commissioners and their advisors are prohibited from communicating in writing, by phone or in person with individuals about the merits of any currently active contested case. All emails and letters received related to current contested cases will be filed with Docket Control and available for public inspection. See the Commission’s Ex Parte Rule and FAQs.
Mailing:
Arizona Corporation Commission
Commissioners Wing
1200 W. Washington St., 2nd Floor,
Phoenix, Arizona 85007
Phone:
(602) 542-3625
Fax:
(602) 542-3977
Social:
@LeaPeterson
Consumer Fraud Complaints:
Attorney General Online Portal
