Electricity rates in 42135 — Franklin, KY
Homes in ZIP 42135 pay about 12.9¢ per kWh (City of Franklin (KY), 2024 average). The Kentucky average is 13.8¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 12.9¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 42135 is
scroll or pinch to zoomUtilities serving 42135
| Utility | Home price | Avg. bill | Customers in KY |
|---|---|---|---|
| City of Franklin (KY) Municipal | 12.9¢ 2024 | $129 | 4,561 |
| Warren Rural Elec Coop Corp Cooperative · serves Simpson | 13.4¢ Jan–Aug 2026 | $151 | 60,701 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Simpson; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Kentucky 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 42135
How much does electricity cost in 42135?
About 12.9¢ per kWh for homes (City of Franklin (KY), 2024 average, EIA). At 900 kWh a month that is roughly $116.
Who is the electric utility for 42135?
City of Franklin (KY), with about 4,561 residential customers in Kentucky; 1 other utility also serves parts of the area.
Is electricity in KY getting more expensive?
The Kentucky residential average was 13.8¢ per kWh in August 2026, up 5.3% from a year earlier; the U.S. average was 18.2¢.