Electricity rates in 37658 — Hampton, TN
Homes in ZIP 37658 pay about 11.8¢ per kWh (City of Elizabethton (TN), 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 11.8¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 37658 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 37658
| Utility | Home price | Avg. bill | Customers in TN |
|---|---|---|---|
| City of Elizabethton (TN) Municipal | 11.8¢ 2024 | $134 | 23,344 |
| 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 |
| 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 37658
How much does electricity cost in 37658?
About 11.8¢ per kWh for homes (City of Elizabethton (TN), 2024 average, EIA). At 900 kWh a month that is roughly $106.
Who is the electric utility for 37658?
City of Elizabethton (TN), with about 23,344 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¢.