StateRates

Tucson Electric Power Co electricity rates

Tucson Electric Power Co charges an average of 15.63 cents per kilowatt-hour to residential customers, and the average household on its system paid $125 a month using 800 kilowatt-hours, according to its 2024 filing with the U.S. Energy Information Administration.

Investor-owned utility TEPC Arizona

Average rate 15.63¢ per kWh · +2.6% vs state
Average bill $125 per month · -19.5% vs U.S.
Average usage 800 kWh per month
Residential customers 412,747 #8 priciest of 22 in Arizona

Where Tucson Electric Power Co sits

It serves 412,747 residential customers, making it one of the larger utilities in Arizona. At 15.63¢ per kilowatt-hour it tracks the Arizona average of 15.23¢ closely, which is what you would expect from a utility large enough to shape that average itself.

Consumption is close to the national norm at 800 kilowatt-hours a month against 871, so the rate translates fairly directly into the bill.

A shareholder-owned company whose rates are set by the state regulator, including an approved return on the capital it has invested. That matters because a bill is not only the cost of generating electricity: it also carries the cost of the network, and who owns that network changes how it is paid for.

Tucson Electric Power Co against the averages
Rate Monthly bill Monthly kWh
Tucson Electric Power Co 15.63¢ $125 800
Arizona average 15.23¢ $160 1,041
United States average 18.44¢ $155 871

Utility figures: U.S. Energy Information Administration, Form EIA-861 annual electric power industry report, 2024. State and national figures: Electric Power Monthly, May 2026. Methodology

Where Tucson Electric Power Co delivers

Its service territory covers 2 Arizona counties, either wholly or in part. Utility boundaries follow historic franchise agreements rather than county lines, so a county appearing here does not mean every address in it is served by Tucson Electric Power Co.

  • Cochise
  • Pima

How often the power goes out

In 2024 the average Tucson Electric Power Co customer went 113 minutes without electricity across 0.99 interruptions. The median across the 941 utilities that report this is 185 minutes.

That is better than the typical American utility, though the figure includes major storm days and can move sharply from one year to the next.

Minutes without power 113 per customer, per year · median 185
Interruptions 0.99 per customer, per year
Average outage length 114 minutes per interruption

Optional rate plans

Tucson Electric Power Co offers time-of-use pricing to residential customers. 62,252 households were enrolled, about 15.1% of its residential base.

These plans are opt-in almost everywhere. They reward households that can move laundry, dishwashing, water heating or electric vehicle charging out of the late-afternoon peak, and they cost more than the standard rate for households that cannot. How to tell which group you are in.

Rooftop solar on this system

51,299 residential customers had net-metered solar in 2024, totalling 347.83 megawatts. That works out to 124.3 installations per thousand customers, against a median of 8 across the utilities reporting it.

Adoption here is exceptionally high. That usually means some combination of a high retail rate worth displacing, strong sunshine and favourable export rules, and it tends to bring its own regulatory argument about who covers the fixed cost of the network. What exports are actually worth.

Other Arizona utilities

Compare against neighbouring systems
Utility Rate Bill Customers
Arizona Public Service Co 16.45¢ $170 1.3 million
Salt River Project 13.46¢ $163 1.1 million
UNS Electric, Inc 16.02¢ $148 95,191
Trico Electric Cooperative Inc 14.17¢ $133 52,450
Sulphur Springs Valley E C Inc 13.49¢ $100 46,008

Tucson Electric Power Co rates: common questions

How much does Tucson Electric Power Co charge per kilowatt-hour?

An average of 15.63 cents per kilowatt-hour across its residential customers in 2024. That is +2.6% against the Arizona average of 15.23¢ and -15.2% against the national average of 18.44¢. It is an all-in average across every residential rate schedule the utility offers, not a specific tariff.

What is the average Tucson Electric Power Co bill?

$125 a month, based on total residential revenue divided by residential customers over the 2024 survey year, at an average of 800 kWh a month. The national average bill is $155 at 871 kWh.

Who owns Tucson Electric Power Co?

It is classified by the EIA as a investor-owned utility. A shareholder-owned company whose rates are set by the state regulator, including an approved return on the capital it has invested.

Is Tucson Electric Power Co expensive compared with other Arizona utilities?

It ranks #8 of the 22 Arizona utilities covered here, counting from the most expensive. Nationally it ranks #342 of 1369.