Tri-County Elec Member Corp (TN)
Cooperative electric utility · Tennessee · #327 of 3,199 U.S. utilities by customers · EIA utility #19162
Tri-County Elec Member Corp (TN) is a cooperative electric utility serving 57,392 customers in Kentucky, Tennessee. In 2025 it sold 1,301 gigawatt-hours of electricity for $157.06M in revenue, an average realized rate of 12.08¢ per kWh across all customer classes and 13.01¢ per kWh for residential customers. Its reported service territory covers 16 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 | 45,717 | 688 | $89.53M | 13.01¢ | |
| Commercial | 11,669 | 538 | $61.83M | 11.48¢ | |
| Industrial | 6 | 74.1 | $5.71M | 7.70¢ | |
| Total | 57,392 | 1,301 | $157.06M | 12.08¢ |
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 (1,254 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Tennessee | 30,837 | 579 | 12.92¢ |
| Kentucky | 26,555 | 722 | 13.13¢ |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 54,829 | 1,223 | $129.78M | 11.29¢ |
| 2022 | 55,408 | 1,269 | $147.38M | 12.37¢ |
| 2023 | 56,221 | 1,197 | $136.07M | 12.28¢ |
| 2024 | 56,924 | 1,232 | $142.39M | 12.41¢ |
| 2025 | 57,392 | 1,301 | $157.06M | 13.01¢ |
Reliability (2025)
Average outage time (SAIDI): 528 minutes per customer per year
Average outages (SAIFI): 3.91 per customer
Average restoration time (CAIDI): 135 minutes
As reported for Kentucky 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: 0.0 GWh
Wholesale power purchased: 1,370 GWh
Winter peak demand: 380 MW
Energy losses: 5.0% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 57,392 meters
Counties served
Adair, KYAllen, KYBarren, KYClay, TNClinton, KYCumberland, KYHarlan, KYHopkins, KYJackson, TNMacon, TNMetcalfe, KYMonroe, KYOverton, TNSmith, TNSumner, TNTrousdale, TN
Other large utilities in Tennessee
- Nashville Electric Service - 470,927 customers, residential 14.04¢
- City of Memphis - (TN) - 429,095 customers, residential 13.24¢
- Middle Tennessee E M C - 348,660 customers, residential 12.47¢
- Knoxville Utilities Board - 222,350 customers, residential 13.83¢
- City of Chattanooga - (TN) - 202,061 customers, residential 12.92¢
- Volunteer Electric Coop - 129,770 customers, residential 13.08¢
- Cumberland Elec Member Corp - 113,734 customers, residential 13.76¢
- City of Clarksville - (TN) - 86,998 customers, residential 13.67¢
All Tennessee utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #19162 in the EIA frame.