Tri-State Electric Member Corp. electricity rates
Electric cooperative · Tennessee
Tri-State Electric Member Corp. is a member-owned electric cooperative, so its customers own it and elect its board, serving 2,834 homes in Tennessee. Its residential customers pay an average of 15.33¢/kWh including fixed and delivery charges, 15% 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-State Electric Member Corp. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $76.65 | $73.34 |
| 1,000 kWh | $153.30 | $127.18 |
| 1,500 kWh | $229.95 | $181.02 |
| 2,000 kWh | $306.60 | $234.86 |
*Rate 1 - Residential (effective 2014-06-01, $19.50/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-State Electric Member Corp. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Rate 1 - Residential | 2014-06-01 | $19.50 | 10.77¢ |
| Rate 1 Residential | 2014-06-01 | $19.50 | 10.77¢ |
| Rate 1 Residential | 2010-05-01 | $15.50 | 9.16¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Tri-State Electric Member Corp. rate history
2015–2025: +24% change in the average residential rate (12.05¢ → 14.90¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
Tri-State Electric Member Corp. doesn't report reliability metrics to EIA (common for small utilities).
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-State Electric Member Corp.'s counties, customers averaged 8 hr 18 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Polk | 498 | 86 | 2,627 | 2025-03-15 |
Tri-State Electric Member Corp. service area
Tri-State Electric Member Corp. serves Polk County in Tennessee and 6 ZIP codes.
Polk
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Customers with daily usage data online | 2,834 |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Tri-State Electric Member Corp. at a glance
| Ownership | Electric cooperative |
| Services | — |
| Commercial rate | 16.65¢/kWh |
| Retail revenue (2025) | $7,639,000 |
| Electricity sold (2025) | 50,014 MWh |
| Balancing authority | TVA |
| EIA utility ID | 19154 |
Other utilities in Tennessee
Frequently asked questions
What is Tri-State Electric Member Corp.'s electricity rate?
Tri-State Electric Member Corp. residential customers pay an average of 15.33¢ 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 13% above the Tennessee average of 13.56¢ and 15% below the U.S. average.
What is the average Tri-State Electric Member Corp. electric bill?
About $160 a month. The average Tri-State Electric Member Corp. home uses 1,041 kWh a month. At 1,000 kWh the bill would be about $153.
How many customers does Tri-State Electric Member Corp. have?
Tri-State Electric Member Corp. serves 2,834 residential customers and 3,481 customers in total in Tennessee, across 1 county.
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-State Electric Member Corp. before making decisions.