Corridor Energy Cooperative
Cooperative electric utility · Iowa · #470 of 3,199 U.S. utilities by customers · EIA utility #11053
Corridor Energy Cooperative is a cooperative electric utility serving 35,447 customers in Iowa. In 2025 it sold 564 gigawatt-hours of electricity for $71.15M in revenue, an average realized rate of 12.62¢ per kWh across all customer classes and 14.18¢ per kWh for residential customers. Its reported service territory covers 6 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 | 30,992 | 330 | $46.76M | 14.18¢ | |
| Commercial | 4,243 | 54.8 | $7.72M | 14.08¢ | |
| Industrial | 212 | 179 | $16.68M | 9.31¢ | |
| Total | 35,447 | 564 | $71.15M | 12.62¢ |
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 (887 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 32,240 | 511 | $56.66M | 12.25¢ |
| 2022 | 32,965 | 523 | $60.73M | 12.73¢ |
| 2023 | 33,783 | 514 | $65.67M | 14.25¢ |
| 2024 | 34,734 | 527 | $66.62M | 14.23¢ |
| 2025 | 35,447 | 564 | $71.15M | 14.18¢ |
Reliability (2025)
Average outage time (SAIDI): 135 minutes per customer per year
Average outages (SAIFI): 1.77 per customer
Average restoration time (CAIDI): 76 minutes
As reported for Iowa 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: 585 GWh
Winter peak demand: 97 MW
Energy losses: 3.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 35,447 meters
Customer-sited generation (net metering): 748 installations, 7.3 MW of capacity
Counties served
Benton, IACedar, IAIowa, IAJohnson, IAJones, IALinn, 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¢
- 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¢
- Midland Power Coop - 12,708 customers, residential 13.66¢
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #11053 in the EIA frame.