City of Williams - AZ
Municipal electric utility · Arizona · #2,007 of 3,199 U.S. utilities by customers · EIA utility #56535
City of Williams - AZ is a municipal electric utility serving 2,345 customers in Arizona. In 2025 it sold 43.3 gigawatt-hours of electricity for $5.69M in revenue, an average realized rate of 13.16¢ per kWh across all customer classes and — per kWh for residential customers. Its reported service territory covers 1 counties.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Total | 2,345 | 43.3 | $5.69M | 13.16¢ |
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 (— kWh/month).
This utility files the EIA-861S short form, which reports totals only - no breakdown by customer class is published for it.
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 2,087 | 45.0 | $4.68M | — |
| 2022 | 2,219 | 52.7 | $5.15M | — |
| 2023 | 2,256 | 47.8 | $5.95M | — |
| 2024 | 2,304 | 43.0 | $5.67M | — |
| 2025 | 2,345 | 43.3 | $5.69M | — |
Counties served
Coconino, 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 #56535 in the EIA frame.