HomeWattCost

Electricity rates in Louisville, KY

Louisville (population 641,962) is served by Louisville Gas and Electric. A typical home on its cheapest plan open to any household, RTOD-Energy, pays about $140 a month, 12.68¢ per kWh all-in: 9% below the Kentucky average of the last 12 months.

Utility LG&EPopulation Census 2025 estimateState average EIA, 12 months to August 2026

Typical all-in priceRTOD-Energy

12.7¢/kWh
LG&E RS12.8¢
LG&E RTOD-Energy12.7¢
KY, 12-mo avg13.9¢
US, 12-mo avg18.0¢

LG&E plans for a Louisville home

PlanTypical billAll-in ¢/kWhSummer weekday windowsEV, 1,000 mi
RSChecked$141/mo12.82Same price all day$32/mo
RTOD-EnergyChecked$140/mo12.68Peak 2 pm–6 pm$26/mo

Typical bill: average Kentucky use of 1,102 kWh a month, shaped hour by hour (NREL ResStock), averaged over the year. EV: Tesla Model Y Long Range AWD, 275 kWh a month from the wall, charging from its cheapest start hour. Full LG&E tariff details and sources.

Louisville electricity: common questions

Who provides electricity in Louisville, KY?

The center of Louisville lies in Louisville Gas and Electric’s retail service territory, according to the federal service-territory map built from EIA-861 data. Territories are drawn approximately, so homes near the city limits can be served by another utility or cooperative; the name on your bill is the authority.

How much is electricity per kWh in Louisville?

On LG&E’s RTOD-Energy plan, a typical Kentucky home using 1,102 kWh a month pays about 12.68¢ per kWh all-in before taxes, or $140 a month. The Kentucky average over the last 12 months was 13.95¢ (EIA).

How much does it cost to charge an EV in Louisville?

Driving 1,000 miles a month in a Tesla Model Y Long Range AWD adds about $26 a month on LG&E’s RTOD-Energy plan when charging starts at its cheapest hour (12 am), against about $163 of gasoline for a 25.5 mpg car.

When is electricity cheapest in Louisville?

Only on a time-of-use plan does the hour matter. On LG&E’s RTOD-Energy, summer weekday prices are highest in these windows: RTOD-Energy: Peak 2 pm–6 pm. Running dishwashers, laundry and EV charging outside them costs less. Find the cheapest hour for an appliance.

Calculators with LG&E preloaded

Other cities in Kentucky

Sources: population, Census Bureau Vintage 2025 estimates; city location, Census Gazetteer; service territory, Electric Retail Service Territories (HIFLD/ORNL, from EIA-861); tariffs, see the LG&E page.