16.99¢
per kWh, 2025
[ UNS Electric / AZ ]
UNS Electric electricity rates in Arizona
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
+6.0%
vs 2024
95,288
residential customers
+69.6%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at UNS Electric's average effective residential rate (16.99¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 10.38¢ | — | 82,823 |
| 2016 | 10.79¢ | +4.0% | 83,620 |
| 2017 | 9.89¢ | −8.3% | 84,590 |
| 2018 | 10.04¢ | +1.5% | 86,232 |
| 2019 | 9.31¢ | −7.3% | 86,869 |
| 2020 | 10.02¢ | +7.6% | 89,139 |
| 2021 | 10.53¢ | +5.1% | 90,640 |
| 2022 | 12.03¢ | +14.3% | 92,408 |
| 2023 | 13.64¢ | +13.4% | 93,838 |
| 2024 | 16.02¢ | +17.4% | 95,191 |
| 2025 | 16.99¢ | +6.0% | 95,288 |
How this compares
15.26¢
Arizona average, 2025
+11.3%
UNS Electric vs AZ 2025 average
−1.4%
vs US 2025 average
#3
priciest in AZ
Serves 2 counties in Arizona: Mohave, Santa Cruz. 46 ZIP codes.
Questions
Is UNS Electric raising rates in 2026?
No rate case for UNS Electric is on file with the Arizona Corporation Commission in our tracker. Its average residential rate moved +6.0% from 2024 to 2025. We check the commission docket monthly.
What does UNS Electric charge per kWh?
UNS Electric's average effective residential rate was 16.99¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Arizona's 2025 average was 15.26¢.
How much have UNS Electric rates gone up in five years?
+69.6% between 2020 and 2025, against +21.7% for Arizona as a whole over the latest five-year window.
How many customers does UNS Electric have in Arizona?
95,288 residential customers in 2025, across 2 counties including Mohave, Santa Cruz, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the Arizona Corporation Commission docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)