Cimarron Electric Coop
Cooperative electric utility · Oklahoma · #741 of 3,199 U.S. utilities by customers · EIA utility #3478
Cimarron Electric Coop is a cooperative electric utility serving 19,882 customers in Oklahoma. In 2025 it sold 721 gigawatt-hours of electricity for $76.82M in revenue, an average realized rate of 10.65¢ per kWh across all customer classes and 12.50¢ per kWh for residential customers. Its reported service territory covers 9 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 | 15,541 | 183 | $22.88M | 12.50¢ | |
| Commercial | 4,328 | 365 | $42.43M | 11.61¢ | |
| Industrial | 13 | 173 | $11.52M | 6.66¢ | |
| Total | 19,882 | 721 | $76.82M | 10.65¢ |
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 (981 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 18,536 | 623 | $64.89M | 12.24¢ |
| 2022 | 18,838 | 740 | $83.45M | 13.17¢ |
| 2023 | 18,996 | 748 | $75.48M | 12.20¢ |
| 2024 | 19,592 | 738 | $73.54M | 11.87¢ |
| 2025 | 19,882 | 721 | $76.82M | 12.50¢ |
Reliability (2025)
Average outage time (SAIDI): 70 minutes per customer per year
Average outages (SAIFI): 0.84 per customer
Average restoration time (CAIDI): 83 minutes
As reported for Oklahoma 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: 749 GWh
Winter peak demand: 143 MW
Energy losses: 3.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 19,882 meters
Customer-sited generation (net metering): 102 installations, 1.5 MW of capacity
Counties served
Blaine, OKCanadian, OKCuster, OKDewey, OKGarfield, OKKingfisher, OKLogan, OKMajor, OKOklahoma, OK
Other large utilities in Oklahoma
- Oklahoma Gas & Electric Co - 909,620 customers, residential 12.43¢
- Public Service Co of Oklahoma - 588,941 customers, residential 14.23¢
- Oklahoma Electric Coop Inc - 65,196 customers, residential 12.87¢
- City of Edmond - (OK) - 44,881 customers, residential 10.73¢
- Northeast Oklahoma Electric Co - 42,301 customers, residential 13.79¢
- Verdigris Valley Elec Coop Inc - 39,439 customers, residential 12.40¢
- East Central Oklahoma Elec Coop Inc - 37,718 customers, residential 13.59¢
- Tri-County Electric Coop, Inc (OK) - 31,996 customers, residential 15.95¢
All Oklahoma utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #3478 in the EIA frame.