Electrical Dist No3 Pinal County
Political Subdivision electric utility · Arizona · #468 of 3,199 U.S. utilities by customers · EIA utility #30518
Electrical Dist No3 Pinal County is a political subdivision electric utility serving 35,562 customers in Arizona. In 2025 it sold 892 gigawatt-hours of electricity for $101.62M in revenue, an average realized rate of 11.39¢ per kWh across all customer classes and 14.02¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: transmission, buying transmission, distribution, wholesale marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 32,951 | 458 | $64.19M | 14.02¢ | |
| Commercial | 2,186 | 201 | $25.34M | 12.64¢ | |
| Industrial | 425 | 234 | $12.09M | 5.16¢ | |
| Total | 35,562 | 892 | $101.62M | 11.39¢ |
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 (1,158 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 29,020 | 704 | $73.07M | 13.70¢ |
| 2022 | 30,082 | 767 | $82.92M | 14.92¢ |
| 2023 | 30,420 | 871 | $100.29M | 13.77¢ |
| 2024 | 34,526 | 869 | $99.00M | 13.93¢ |
| 2025 | 35,562 | 892 | $101.62M | 14.02¢ |
Reliability (2025)
Average outage time (SAIDI): 30 minutes per customer per year
Average outages (SAIFI): 0.42 per customer
Average restoration time (CAIDI): 72 minutes
As reported for Arizona under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 936 GWh
Winter peak demand: 91 MW
Energy losses: 4.3% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 35,562 meters
Customer-sited generation (net metering): 3,713 installations, 27.3 MW of capacity
Counties served
Pinal, 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 #30518 in the EIA frame.