Powder River Energy Corp
Cooperative electric utility · Wyoming · #575 of 3,199 U.S. utilities by customers · EIA utility #19156
Powder River Energy Corp is a cooperative electric utility serving 27,313 customers in Montana, Wyoming. In 2025 it sold 1,919 gigawatt-hours of electricity for $170.62M in revenue, an average realized rate of 8.89¢ per kWh across all customer classes and 12.20¢ per kWh for residential customers. Its reported service territory covers 7 counties. EIA records its activities as: distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 15,599 | 216 | $26.39M | 12.20¢ | |
| Commercial | 7,629 | 633 | $62.08M | 9.80¢ | |
| Industrial | 4,085 | 1,070 | $82.15M | 7.68¢ | |
| Total | 27,313 | 1,919 | $170.62M | 8.89¢ |
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 (1,155 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Wyoming | 27,140 | 1,854 | 12.20¢ |
| Montana | 173 | 65.8 | 13.20¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 26,877 | 1,888 | $160.87M | 11.56¢ |
| 2022 | 27,215 | 2,035 | $170.07M | 11.59¢ |
| 2023 | 26,733 | 2,022 | $169.76M | 11.88¢ |
| 2024 | 26,893 | 1,956 | $162.59M | 11.73¢ |
| 2025 | 27,313 | 1,919 | $170.62M | 12.20¢ |
Reliability (2025)
Average outage time (SAIDI): 571 minutes per customer per year
Average outages (SAIFI): 3.50 per customer
Average restoration time (CAIDI): 163 minutes
As reported for Wyoming 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: 1,985 GWh
Winter peak demand: 297 MW
Energy losses: 3.2% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 27,621 meters
Customer-sited generation (net metering): 152 installations, 1.8 MW of capacity
Counties served
Big Horn, MTCampbell, WYCrook, WYJohnson, WYPowder River, MTSheridan, WYWeston, 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¢
- City of Gillette - (WY) - 16,893 customers, residential 12.90¢
- 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 #19156 in the EIA frame.