Arizona · Investor Owned
Ajo Improvement Co
13.53¢ per kWh, bundled, EIA-861 2025. Average bill $69.22 at 511.8 kWh a month, across 808 customers on that row.
Arizona averaged 15.26¢/kWh and $157.15 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 808, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$135.30
13.53¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 10.16¢ | $51.76 | 509.6 | 776 |
| 2016 | 10.85¢ | $56.10 | 517.1 | 769 |
| 2017 | 11.29¢ | $55.75 | 493.7 | 776 |
| 2018 | 11.34¢ | $55.26 | 487.2 | 779 |
| 2019 | 10.66¢ | $52.43 | 492.0 | 799 |
| 2020 | 9.39¢ | $54.59 | 581.4 | 823 |
| 2021 | 10.33¢ | $51.33 | 497.0 | 835 |
| 2022 | 11.04¢ | $59.11 | 535.4 | 824 |
| 2023 | 11.71¢ | $63.83 | 545.1 | 816 |
| 2024 | 12.56¢ | $68.82 | 547.7 | 821 |
| 2025 | 13.53¢ | $69.22 | 511.8 | 808 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
Pima.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool