Tri-County Electric Coop, Inc (OK)
Cooperative electric utility · Oklahoma · #513 of 3,199 U.S. utilities by customers · EIA utility #19160
Tri-County Electric Coop, Inc (OK) is a cooperative electric utility serving 31,996 customers in Colorado, Kansas, New Mexico, Oklahoma, Texas. In 2025 it sold 887 gigawatt-hours of electricity for $100.56M in revenue, an average realized rate of 11.34¢ per kWh across all customer classes and 15.95¢ per kWh for residential customers. Its reported service territory covers 10 counties. EIA records its activities as: transmission, buying transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 16,423 | 138 | $21.98M | 15.95¢ | |
| Commercial | 12,747 | 354 | $43.62M | 12.31¢ | |
| Industrial | 2,826 | 395 | $34.95M | 8.86¢ | |
| Total | 31,996 | 887 | $100.56M | 11.34¢ |
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 (699 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Oklahoma | 29,827 | 767 | 15.93¢ |
| Kansas | 1,663 | 17.0 | 16.34¢ |
| Texas | 430 | 103 | 15.55¢ |
| Colorado | 63 | 0.2 | 16.17¢ |
| New Mexico | 13 | 0.0 | 31.43¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 26,833 | 816 | $96.51M | 15.06¢ |
| 2022 | 27,583 | 851 | $111.87M | 16.63¢ |
| 2023 | 28,280 | 829 | $106.74M | 16.97¢ |
| 2024 | 30,076 | 872 | $100.52M | 15.89¢ |
| 2025 | 31,996 | 887 | $100.56M | 15.95¢ |
Reliability (2025)
Average outage time (SAIDI): 152 minutes per customer per year
Average outages (SAIFI): 1.46 per customer
Average restoration time (CAIDI): 104 minutes
As reported for Oklahoma 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: — GWh
Wholesale power purchased: 904 GWh
Winter peak demand: 121 MW
Energy losses: 1.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 31,996 meters
Customer-sited generation (net metering): 132 installations, 0.8 MW of capacity
Counties served
Baca, COBeaver, OKCimarron, OKDallam, TXHansford, TXMorton, KSSeward, KSSherman, TXTexas, OKUnion, NM
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¢
- CKenergy Electric Cooperative - 27,723 customers, residential 13.84¢
All Oklahoma utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #19160 in the EIA frame.