City of Gillette - (WY)
Municipal electric utility · Wyoming · #827 of 3,199 U.S. utilities by customers · EIA utility #7222
City of Gillette - (WY) is a municipal electric utility serving 16,893 customers in Wyoming. In 2025 it sold 340 gigawatt-hours of electricity for $38.70M in revenue, an average realized rate of 11.38¢ per kWh across all customer classes and 12.90¢ per kWh for residential customers. Its reported service territory covers 2 counties. EIA records its activities as: generation, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 14,134 | 151 | $19.49M | 12.90¢ | |
| Commercial | 2,759 | 189 | $19.21M | 10.17¢ | |
| Total | 16,893 | 340 | $38.70M | 11.38¢ |
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 (891 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 15,905 | 324 | $30.95M | 10.63¢ |
| 2022 | 15,916 | 329 | $33.46M | 11.57¢ |
| 2023 | 16,646 | 335 | $35.76M | 12.16¢ |
| 2024 | 16,729 | 338 | $37.45M | 12.62¢ |
| 2025 | 16,893 | 340 | $38.70M | 12.90¢ |
Energy supply (2025)
Net generation: 60.0 GWh
Wholesale power purchased: 292 GWh
Winter peak demand: 66 MW
Energy losses: 2.9% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 17,005 meters
Customer-sited generation (net metering): 29 installations, 0.4 MW of capacity
Counties served
Campbell, WYCrook, WY
Other large utilities in Wyoming
- Cheyenne Light Fuel & Power - 50,162 customers, residential 17.32¢
- Lower Valley Energy Inc - 31,530 customers, residential 7.03¢
- Powder River Energy Corp - 27,313 customers, residential 12.20¢
- High Plains Power Inc - 14,038 customers, residential 14.24¢
- High West Energy, Inc - 11,130 customers, residential 14.73¢
- City of Cody - 8,126 customers, residential —
- Carbon Power & Light, Inc - 6,767 customers, residential —
- Wheatland Rural Elec Assn, Inc - 4,170 customers, residential —
All Wyoming utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #7222 in the EIA frame.