Tri-County Electric Member Corp (TN) electricity rates
Electric cooperative · Tennessee · SERC region
Tri-County Electric Member Corp (TN) is a member-owned electric cooperative, so its customers own it and elect its board, serving 25,085 homes in Tennessee. Its residential customers pay an average of 13.30¢/kWh including fixed and delivery charges, 26% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend.
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Tri-County Electric Member Corp (TN) bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $66.50 | $64.17 |
| 1,000 kWh | $133.00 | $110.34 |
| 1,500 kWh | $199.50 | $156.51 |
| 2,000 kWh | $266.00 | $202.68 |
*Residential (effective 2017-04-01, $18.00/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Tri-County Electric Member Corp (TN) residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential | 2017-04-01 | $18.00 | 9.23¢ |
| Residential | 2014-06-01 | $18.00 | 95.22¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Tri-County Electric Member Corp (TN) rate history
2015–2025: +24% change in the average residential rate (10.40¢ → 12.92¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Tri-County Electric Member Corp (TN) | Tennessee avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 528 | 260 | 266 |
| Outages per customer (SAIFI) | 3.91 | 1.88 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 15 min | — | — |
| Outage minutes excluding major storms | 239 | 162 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Tri-County Electric Member Corp (TN)'s counties, customers averaged 3 hr 37 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Clay | 528 | 39 | 2,884 | 2025-10-26 |
| Macon | 432 | 74 | 7,401 | 2025-06-24 |
| Trousdale | 256 | 29 | 3,505 | 2025-06-11 |
| Overton | 249 | 27 | 1,172 | 2025-03-05 |
| Sumner | 194 | 56 | 9,303 | 2025-04-05 |
| Smith | 24 | 13 | 260 | 2025-12-31 |
| Jackson | 0 | 0 | 0 | 2025-02-26 |
Tri-County Electric Member Corp (TN) service area
Tri-County Electric Member Corp (TN) serves 7 counties in Tennessee and 19 ZIP codes.
Clay, Jackson, Macon, Overton, Smith, Sumner, Trousdale
Cities: Gallatin, Lebanon, Portland, Lafayette, Hartsville, Westmoreland, Celina, Red Boiling Springs
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 25,085 |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Tri-County Electric Member Corp (TN) at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 14.01¢/kWh |
| Industrial rate | 7.51¢/kWh |
| Retail revenue (2025) | $75,385,000 |
| Electricity sold (2025) | 578,640 MWh |
| Peak demand | 266 MW summer · 380 MW winter |
| Line losses | 4.9% |
| Balancing authority | TVA |
| EIA utility ID | 19162 |
Other utilities in Tennessee
Frequently asked questions
What is Tri-County Electric Member Corp (TN)'s electricity rate?
Tri-County Electric Member Corp (TN) residential customers pay an average of 13.30¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 2% below the Tennessee average of 13.56¢ and 26% below the U.S. average.
What is the average Tri-County Electric Member Corp (TN) electric bill?
About $173 a month. The average Tri-County Electric Member Corp (TN) home uses 1,300 kWh a month. At 1,000 kWh the bill would be about $133.
How many customers does Tri-County Electric Member Corp (TN) have?
Tri-County Electric Member Corp (TN) serves 25,085 residential customers and 30,837 customers in total in Tennessee, across 7 counties.
How reliable is Tri-County Electric Member Corp (TN)?
In 2025, the average Tri-County Electric Member Corp (TN) customer was without power for 8 hr 48 min (SAIDI) over 3.91 interruptions (SAIFI), including major storms. Excluding major event days it was 3 hr 59 min. The Tennessee average was 4 hr 20 min and the U.S. average 4 hr 26 min.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Tri-County Electric Member Corp (TN) before making decisions.