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3.2avg. commissioner years of serviceSource: AEE
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11.55¢avg. price per kWhSource: EIA
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3legislative session length, monthsSource: Legislative Session
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44%residential market share of the largest utilitySource: September 2018, AEE
breakdown of market shareUtility Percentage Market Share in Arizona
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Arizona Public Service Co
Market Share44% -
Salt River Project
Market Share38% -
Tucson Electric Power Co
Market Share16%
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4governor years servedSource: September 2018, AEE
Utilities
Arizona Utilities
In most cases, we only provide profiles for the largest five utilities with more than 100,000 total customers.
Policy AreaIntegrated Resource Plan
ScheduleBy April 1, every two years (each even year) load-serving entities must file 15 year plans. Every odd year utilities must file work plans that outline the 15-year resource plan. A third report, due the following year, sets forth the load-serving entity’s method for assessing potential resources, the sources of its current assumptions, and a general outline of the procedures it will follow for public input.
Policy AreaElectric Energy Efficiency Rules
ScheduleUtilities file implementation plans by June 1 every other year (odd years), and submit a progress report on DSM programs by March 1 each year.
Policy AreaRenewable Energy Standard and Tariff (REST)
ScheduleAn annual implementation plan is filed by July 1st of every year.
SourceA.A.C. R14-02-1813
Arizona Public Service Co
Ownership TypeInvestor Owned
Balancing AuthorityArizona Public Service Company
NERC Regional EntityWestern Electricity Coordinating Council (WECC)
Holding Company
Structure
Owns Generation
Owns Transmission
Share of Residential Customers in AZ44%
Authorized Return On Equity
Return on Equity Source and Decision Date
Salt River Project
Ownership TypeState Owned
Balancing AuthoritySalt River Project
NERC Regional EntityWestern Electricity Coordinating Council (WECC)
Structure
Share of Residential Customers in AZ38%
Tucson Electric Power Co
Ownership TypeInvestor Owned
Balancing AuthorityTucson Electric Power Company
NERC Regional EntityWestern Electricity Coordinating Council (WECC)
Holding Company
Structure
Owns Generation
Owns Transmission
Share of Residential Customers in AZ16%
Authorized Return On Equity
Return on Equity Source and Decision Date