City of Mesa - (AZ)
Municipal electric utility · Arizona · #782 of 3,199 U.S. utilities by customers · EIA utility #12351
City of Mesa - (AZ) is a municipal electric utility serving 18,291 customers in Arizona. In 2025 it sold 315 gigawatt-hours of electricity for $58.86M in revenue, an average realized rate of 18.68¢ per kWh across all customer classes and 20.56¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: buying transmission, distribution, wholesale marketing, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 15,507 | 153 | $31.46M | 20.56¢ | |
| Commercial | 2,784 | 162 | $27.41M | 16.91¢ | |
| Total | 18,291 | 315 | $58.86M | 18.68¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (822 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 17,499 | 320 | $35.15M | 12.20¢ |
| 2022 | 17,544 | 324 | $40.27M | 13.43¢ |
| 2023 | 17,787 | 324 | $51.16M | 17.42¢ |
| 2024 | 18,101 | 326 | $50.32M | 16.93¢ |
| 2025 | 18,291 | 315 | $58.86M | 20.56¢ |
Reliability (2025)
Average outage time (SAIDI): 52 minutes per customer per year
Average outages (SAIFI): 0.51 per customer
Average restoration time (CAIDI): 101 minutes
As reported for Arizona under the Other standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: 0.0 GWh
Wholesale power purchased: 388 GWh
Winter peak demand: 48 MW
Energy losses: 4.0% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 97.3% of 18,291 meters
Customer-sited generation (net metering): 224 installations, 2.4 MW of capacity
Counties served
Maricopa, AZ
Other large utilities in Arizona
- Arizona Public Service Co - 1,433,294 customers, residential 17.03¢
- Salt River Project - 1,188,189 customers, residential 13.98¢
- Tucson Electric Power Co - 458,898 customers, residential 14.88¢
- UNS Electric, Inc - 107,073 customers, residential 16.99¢
- Trico Electric Cooperative Inc - 56,123 customers, residential 14.26¢
- Sulphur Springs Valley E C Inc - 54,786 customers, residential 14.61¢
- Navopache Electric Coop, Inc - 46,592 customers, residential 13.52¢
- Mohave Electric Cooperative, Inc. - 46,326 customers, residential 11.27¢
All Arizona utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #12351 in the EIA frame.