USBIA-San Carlos Project electricity rates
USBIA-San Carlos Project charges an average of 19.49 cents per kilowatt-hour to residential customers, and the average household on its system paid $180 a month using 922 kilowatt-hours, according to its 2024 filing with the U.S. Energy Information Administration.
Federal power agency WALC Arizona
Where USBIA-San Carlos Project sits
It is a smaller system, serving 11,432 residential customers, which means its fixed costs are spread across a narrow base. At 19.49¢ per kilowatt-hour it is among the more expensive utilities in Arizona, 28% above the statewide average of 15.23¢.
Consumption is close to the national norm at 922 kilowatt-hours a month against 871, so the rate translates fairly directly into the bill.
Operated by the federal government, typically selling power generated at federal dams at cost rather than at market price. 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 | |
|---|---|---|---|
| USBIA-San Carlos Project | 19.49¢ | $180 | 922 |
| 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 USBIA-San Carlos Project delivers
Its service territory covers 5 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 USBIA-San Carlos Project.
- Gila
- Graham
- Maricopa
- Pima
- Pinal
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 |
| City of Mesa | 16.93¢ | $146 | 15,331 |
| SunPower Capital, LLC | 15.96¢ | $133 | 8,153 |
| Electrical Dist No2 Pinal County | 13.26¢ | $141 | 5,218 |
USBIA-San Carlos Project rates: common questions
How much does USBIA-San Carlos Project charge per kilowatt-hour?
An average of 19.49 cents per kilowatt-hour across its residential customers in 2024. That is +28.0% against the Arizona average of 15.23¢ and +5.7% 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 USBIA-San Carlos Project bill?
$180 a month, based on total residential revenue divided by residential customers over the 2024 survey year, at an average of 922 kWh a month. The national average bill is $155 at 871 kWh.
Who owns USBIA-San Carlos Project?
It is classified by the EIA as a federal power agency. Operated by the federal government, typically selling power generated at federal dams at cost rather than at market price.
Is USBIA-San Carlos Project expensive compared with other Arizona utilities?
It ranks #1 of the 22 Arizona utilities covered here, counting from the most expensive. Nationally it ranks #99 of 1369.