Prairie Energy Coop
Cooperative electric utility · Iowa · #1,645 of 3,199 U.S. utilities by customers · EIA utility #15291
Prairie Energy Coop is a cooperative electric utility serving 4,308 customers in Iowa. In 2025 it sold 338 gigawatt-hours of electricity for $32.40M in revenue, an average realized rate of 9.60¢ per kWh across all customer classes and 14.14¢ per kWh for residential customers. Its reported service territory covers 11 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 | 3,433 | 56.2 | $7.94M | 14.14¢ | |
| Commercial | 89 | 0.1 | $14.90K | 12.21¢ | |
| Industrial | 786 | 281 | $24.45M | 8.69¢ | |
| Total | 4,308 | 338 | $32.40M | 9.60¢ |
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 (1,363 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 4,329 | 341 | $31.59M | 13.13¢ |
| 2022 | 4,326 | 314 | $29.32M | 12.89¢ |
| 2023 | 4,325 | 326 | $30.63M | 13.15¢ |
| 2024 | 4,317 | 329 | $31.42M | 14.34¢ |
| 2025 | 4,308 | 338 | $32.40M | 14.14¢ |
Reliability (2025)
Average outage time (SAIDI): 428 minutes per customer per year
Average outages (SAIFI): 3.11 per customer
Average restoration time (CAIDI): 138 minutes
As reported for Iowa 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: 0.2 GWh
Wholesale power purchased: 346 GWh
Winter peak demand: 47 MW
Energy losses: 1.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 5,207 meters
Customer-sited generation (net metering): 16 installations, 0.2 MW of capacity
Counties served
Cerro Gordo, IAFranklin, IAHamilton, IAHancock, IAHardin, IAHumboldt, IAKossuth, IAWebster, IAWinnebago, IAWorth, IAWright, IA
Other large utilities in Iowa
- MidAmerican Energy Co - 838,069 customers, residential 11.08¢
- Interstate Power and Light Co - 506,498 customers, residential 17.77¢
- Corridor Energy Cooperative - 35,447 customers, residential 14.18¢
- City of Ames - (IA) - 28,239 customers, residential 12.12¢
- Eastern Iowa Light & Power Coop - 23,856 customers, residential 14.81¢
- Cedar Falls Utilities - 20,245 customers, residential 11.56¢
- Maquoketa Valley Rrl Elec Coop - 17,339 customers, residential 13.80¢
- Iowa Lakes Electric Coop - 13,257 customers, residential 13.78¢
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #15291 in the EIA frame.