Sunnova electricity rates
Sunnova charges an average of 17.99 cents per kilowatt-hour to residential customers, and the average household on its system paid $188 a month using 1,046 kilowatt-hours, according to its 2024 filing with the U.S. Energy Information Administration.
Behind the Meter AZPS Arizona
Where Sunnova sits
It is a smaller system, serving 2,935 residential customers, which means its fixed costs are spread across a narrow base. At 17.99¢ per kilowatt-hour it is among the more expensive utilities in Arizona, 18.1% above the statewide average of 15.23¢.
Its customers use more electricity than the national norm, 1,046 kilowatt-hours a month against 871, which amplifies whatever the rate does.
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.
| Rate | Monthly bill | Monthly kWh | |
|---|---|---|---|
| Sunnova | 17.99¢ | $188 | 1,046 |
| 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
Other Arizona utilities
| Utility | Rate | Bill | Customers |
|---|---|---|---|
| Arizona Public Service Co | 16.45¢ | $170 | 1.3 million |
| Salt River Project | 13.46¢ | $163 | 1.1 million |
| Spruce Finance | 10.67¢ | $101 | 3,620 |
| Dixie Escalante R E A, Inc | 9.60¢ | $103 | 2,790 |
| Gila River Indian Utility Authority (GRICUA) | 14.25¢ | $208 | 2,682 |
Sunnova rates: common questions
How much does Sunnova charge per kilowatt-hour?
An average of 17.99 cents per kilowatt-hour across its residential customers in 2024. That is +18.1% against the Arizona average of 15.23¢ and -2.4% 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 Sunnova bill?
$188 a month, based on total residential revenue divided by residential customers over the 2024 survey year, at an average of 1,046 kWh a month. The national average bill is $155 at 871 kWh.
Who owns Sunnova?
It is classified by the EIA as a behind the meter.
Is Sunnova expensive compared with other Arizona utilities?
It ranks #2 of the 22 Arizona utilities covered here, counting from the most expensive. Nationally it ranks #149 of 1369.