Electricity rates in 37687 — Roan Mountain, TN
Homes in ZIP 37687 pay about 12.3¢ per kWh (Mountain Electric Coop, Inc., 2024 average). The Tennessee average is 13.4¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 12.3¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 37687 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 37687
| Utility | Home price | Avg. bill | Customers in TN |
|---|---|---|---|
| Mountain Electric Coop, Inc. Cooperative | 12.3¢ 2024 | $123 | 12,539 |
| French Broad Elec Member Corp Cooperative | 14.9¢ 2024 | $111 | 994 |
| Johnson City (TN) Municipal · serves Carter County | 14.3¢ Jan–Aug 2026 | $143 | 72,205 |
| City of Elizabethton (TN) Municipal · serves Carter County | 11.8¢ 2024 | $134 | 23,344 |
| Town of Erwin (TN) Municipal · serves Carter County | 12.2¢ 2024 | $124 | 7,618 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Carter County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Tennessee price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the East South Central region, which includes Alabama, Kentucky, Mississippi, Tennessee.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 37687
How much does electricity cost in 37687?
About 12.3¢ per kWh for homes (Mountain Electric Coop, Inc., 2024 average, EIA). At 900 kWh a month that is roughly $111.
Who is the electric utility for 37687?
Mountain Electric Coop, Inc., with about 12,539 residential customers in Tennessee; 4 other utilities also serve parts of the area.
Is electricity in TN getting more expensive?
The Tennessee residential average was 13.4¢ per kWh in August 2026, up 2.5% from a year earlier; the U.S. average was 18.2¢.