Middle Tennessee E M C
Cooperative electric utility · Tennessee · #113 of 3,199 U.S. utilities by customers · EIA utility #12470
Middle Tennessee E M C is a cooperative electric utility serving 348,660 customers in Tennessee. In 2025 it sold 8,981 gigawatt-hours of electricity for $1.06B in revenue, an average realized rate of 11.85¢ per kWh across all customer classes and 12.47¢ per kWh for residential customers. Its reported service territory covers 8 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 | 311,520 | 4,842 | $603.98M | 12.47¢ | |
| Commercial | 37,100 | 3,283 | $397.86M | 12.12¢ | |
| Industrial | 40 | 856 | $62.34M | 7.28¢ | |
| Total | 348,660 | 8,981 | $1.06B | 11.85¢ |
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 (1,295 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 320,213 | 8,141 | $802.30M | 10.33¢ |
| 2022 | 329,992 | 8,500 | $929.32M | 11.41¢ |
| 2023 | 334,749 | 8,214 | $881.68M | 11.35¢ |
| 2024 | 344,295 | 8,673 | $967.28M | 11.76¢ |
| 2025 | 348,660 | 8,981 | $1.06B | 12.47¢ |
Reliability (2025)
Average outage time (SAIDI): 50 minutes per customer per year
Average outages (SAIFI): 0.93 per customer
Average restoration time (CAIDI): 54 minutes
As reported for Tennessee 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: 9,221 GWh
Winter peak demand: 2,223 MW
Energy losses: 2.6% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.6% of 348,660 meters
Counties served
Cannon, TNDeKalb, TNMaury, TNRutherford, TNSmith, TNTrousdale, TNWilliamson, TNWilson, 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¢
- 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¢
- Duck River Elec Member Corp - 86,055 customers, residential 13.59¢
All Tennessee utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #12470 in the EIA frame.