Electricity rates in 40256 — Louisville, KY
Homes in ZIP 40256 pay about 13.7¢ per kWh (Louisville Gas & Electric Co., Jan–Aug 2026). 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 13.7¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 40256 is
scroll or pinch to zoomUtilities serving 40256
| Utility | Home price | Avg. bill | Customers in KY |
|---|---|---|---|
| Louisville Gas & Electric Co. Investor Owned | 13.7¢ Jan–Aug 2026 | $112 | 384,902 |
| Salt River Electric Coop Corp Cooperative · serves Jefferson | 10.9¢ 2024 | $131 | 53,479 |
| Shelby Energy Coop, Inc. (KY) Cooperative · serves Jefferson | 13.2¢ 2024 | $156 | 17,437 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Jefferson; 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 40256
How much does electricity cost in 40256?
About 13.7¢ per kWh for homes (Louisville Gas & Electric Co., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $123.
Who is the electric utility for 40256?
Louisville Gas & Electric Co., with about 384,902 residential customers in Kentucky; 2 other utilities also serve 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¢.