East-Central Iowa Rural Elec Coop
Cooperative electric utility · Iowa · #1,181 of 3,199 U.S. utilities by customers · EIA utility #5588
East-Central Iowa Rural Elec Coop is a cooperative electric utility serving 9,261 customers in Iowa. In 2025 it sold 225 gigawatt-hours of electricity for $26.93M in revenue, an average realized rate of 11.95¢ per kWh across all customer classes and 13.13¢ per kWh for residential customers. Its reported service territory covers 11 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 | 7,417 | 126 | $16.60M | 13.13¢ | |
| Commercial | 1,838 | 62.4 | $7.22M | 11.58¢ | |
| Industrial | 6 | 36.6 | $3.11M | 8.51¢ | |
| Total | 9,261 | 225 | $26.93M | 11.95¢ |
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 (1,420 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 9,117 | 211 | $21.58M | 11.18¢ |
| 2022 | 9,159 | 227 | $23.82M | 11.46¢ |
| 2023 | 9,196 | 219 | $25.58M | 13.01¢ |
| 2024 | 9,224 | 214 | $25.68M | 13.28¢ |
| 2025 | 9,261 | 225 | $26.93M | 13.13¢ |
Reliability (2025)
Average outage time (SAIDI): 67 minutes per customer per year
Average outages (SAIFI): 0.88 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: 235 GWh
Winter peak demand: 51 MW
Energy losses: 4.0% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 9,261 meters
Customer-sited generation (net metering): 13 installations, 0.2 MW of capacity
Counties served
Benton, IABlack Hawk, IABremer, IABuchanan, IAClayton, IADelaware, IAFayette, IAIowa, IAJohnson, IALinn, IATama, 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 #5588 in the EIA frame.