Heat Pump Water Heater in Louisville — $125/yr to Run (11.5¢/kWh)
Your heat pump water heater in Louisville costs about $10/month at 11.5¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Louisville, KY Electricity Rate
11.5¢/kWh
Utility: Louisville Gas & Electric (LG&E)
-12% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.34
3.0 kWh/day
Monthly Cost
$10.46
91 kWh/mo
Annual Cost
$125
1,095 kWh/yr
Lifetime (15yr)
$1,882
energy only
Monthly Cost Breakdown in Louisville
| Period | kWh | Louisville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 3.0 | $0.34 | $0.39 | $-0.05 |
| Weekly | 21.0 | $2.41 | $2.73 | $-0.32 |
| Monthly | 91.3 | $10.46 | $11.86 | $-1.41 |
| Quarterly | 273.8 | $31.37 | $35.59 | $-4.22 |
| Annual | 1095.0 | $125.49 | $142.35 | $-16.86 |
Customize Your Heat Pump Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Louisville.
Daily
$0.34
Monthly
$10.46
Annual
$125
15-Year
$1,882
Energy Saving Tips for Heat Pump Water Heater in Louisville
- ✓Louisville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Heat Pump Water Heater in Louisville saves ~$38/year compared to standard models.
- ✓A smart Heat Pump Water Heater with scheduling optimization can save ~$25/year at Louisville rates.
- ✓Keep in a warm area like a garage
- ✓Dont block airflow around unit
- ✓Use heat pump only mode for max savings
ENERGY STAR Savings: Upgrading to an ENERGY STAR Heat Pump Water Heater in Louisville saves approximately $38/year at local rates — $565 over the appliance lifetime.
Highest-Cost Appliances in Louisville, KY
See which appliances cost the most to run at Louisville's 11.5¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,485/yr
$123.77/mo
Electric Furnace
HVAC · 10,000W
$1,031/yr
$85.95/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$753/yr
$62.74/mo
EV Charger (Level 2)
Garage · 7,200W
$743/yr
$61.88/mo
Boiler (Electric)
HVAC · 6,000W
$619/yr
$51.57/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$565/yr
$47.06/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$565/yr
$47.06/mo
Heat Pump
HVAC · 2,400W
$440/yr
$36.67/mo
Heat Pump Water Heater Cost in Other Kentucky Cities
| City | Rate | Annual Cost | vs Louisville |
|---|---|---|---|
| Louisville (current) | 11.5¢ | $125 | — |
| Lexington | 12.7¢ | $139 | +$14 |
| Bowling Green | 12.1¢ | $132 | +$7 |
| Owensboro | 12.5¢ | $137 | +$11 |
Heat Pump Water Heater Energy Cost FAQ — Louisville, KY
Understanding Heat Pump Water Heater Energy Costs in Louisville, KY
In a major metro like Louisville, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.6 million residents. Running a low-draw appliance like the Heat Pump Water Heater (500W) at Louisville's rate of 11.5¢/kWh costs approximately $125 per year — $17 less than the national average of $142.
Rates in Louisville are close to the national average, so the Heat Pump Water Heater's annual cost of $125 is broadly representative of what most US households pay. Over the 15-year expected lifespan, total energy cost reaches $1,882.
Louisville's cost of living index of 81 is below the national average, and electricity costs reflect that affordability. The Heat Pump Water Heater adds $10.46/month to a typical bill of $121. Upgrading to an ENERGY STAR Heat Pump Water Heater can cut energy use by up to 30%, saving approximately $38 per year at Louisville rates.
In Louisville's warm climate (avg 71.9°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Heat Pump Water Heater produces approximately 0.78 tons of CO2 annually at typical usage. Louisville residents can reduce this footprint by choosing an ENERGY STAR certified unit, optimizing usage patterns, or investing in solar — see our solar savings calculator for Louisville.
Compare All Energy Costs in Louisville
See energy costs for 168+ household appliances at Louisville's local electricity rate.