UNS Electric Rates, Bills, Service Area and Reliability

UNS Electric reported 95,288 residential customers on bundled service in 2025, using 849 kWh a month on average at 16.99 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 14 Arizona utilities with at least 10,000 bundled residential customers, UNS Electric ranks 12 from the lowest price.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.

EIA lists the counties where UNS Electric has distribution equipment. That covers 2 counties in Arizona. A county can be served by more than one utility, so confirm your address with the utility or your bill.

Not sure who serves your address? Use find my electric company.

For 2025, UNS Electric reported an average of 64 minutes without power per customer and 0.76 interruptions per customer, with major event days left out. The typical interruption lasted about 84 minutes. For comparison, the median state averaged 127 minutes of outage per customer.

UNS Electric had about 63 fewer minutes of outage per customer than the median state. The Arizona figure across its utilities was 64 minutes. One interruption lasting 84 minutes and 0.76 interruptions a year per customer add up to the 64 minute total.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.

• Time-of-use pricing. UNS Electric reports a residential time-of-use pricing program in its 2025 EIA filing, with about 22,510 residential customers enrolled in dynamic pricing programs of all kinds. Ask the utility which rate schedules you qualify for. How time-of-use rates work.
• Rooftop solar and net metering. EIA shows 11,315 residential net-metered systems on the UNS Electric grid in 2025, with 91.3 megawatts of capacity. How net metering works.

A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In Arizona, that review is done by the Arizona Corporation Commission.

UNS Electric is an investor-owned utility based in Arizona.

UNS Electric operates in the CAISO power market. Power markets set wholesale costs, but your retail rate is set by the rules described above.

Of the 17 utilities listed for Arizona, UNS Electric is the 4th largest by homes, at roughly 3.0% of the state total. Its price of 16.99 cents per kWh is 2.11 cents above the median of 3 other investor-owned utilities in Arizona (14.88 cents). At $144.18 a month, an average UNS Electric home pays about $156 a year less than the Arizona average of $157.15, and uses 181 kWh a month less. UNS Electric lists distribution equipment in 2 counties, so check your county and your bill before you assume it serves you. 11,315 of its residential customers use net metering, or 118.7 per 1,000 homes, against 105.9 for Arizona as a whole.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Arizona with at least 1,000 residential customers and a reported price.

See every one on the electric companies in Arizona page.

Kilowatt Atlas is not UNS Electric and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.

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