Tankless Water Heater (Electric) in Lexington — $418/yr to Run (12.7¢/kWh)
Your tankless water heater (electric) in Lexington costs about $35/month at 12.7¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Lexington, KY Electricity Rate
12.7¢/kWh
Utility: Kentucky Utilities (KU)
-2% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.15
9.0 kWh/day
Monthly Cost
$34.85
274 kWh/mo
Annual Cost
$418
3,285 kWh/yr
Lifetime (20yr)
$8,364
energy only
Monthly Cost Breakdown in Lexington
| Period | kWh | Lexington Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.15 | $1.17 | $-0.02 |
| Weekly | 63.0 | $8.02 | $8.19 | $-0.17 |
| Monthly | 273.8 | $34.85 | $35.59 | $-0.74 |
| Quarterly | 821.3 | $104.55 | $106.76 | $-2.22 |
| Annual | 3285.0 | $418.18 | $427.05 | $-8.87 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Lexington.
Daily
$1.15
Monthly
$34.85
Annual
$418
20-Year
$8,364
Energy Saving Tips for Tankless Water Heater (Electric) in Lexington
- ✓Lexington has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Lexington saves ~$84/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$63/year at Lexington rates.
- ✓Provides hot water on demand with no standby loss
- ✓Flush annually to remove scale
- ✓Requires dedicated electrical circuit
ENERGY STAR Savings: Upgrading to an ENERGY STAR Tankless Water Heater (Electric) in Lexington saves approximately $84/year at local rates — $1,673 over the appliance lifetime.
Highest-Cost Appliances in Lexington, KY
See which appliances cost the most to run at Lexington's 12.7¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,650/yr
$137.48/mo
Electric Furnace
HVAC · 10,000W
$1,146/yr
$95.48/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$836/yr
$69.70/mo
EV Charger (Level 2)
Garage · 7,200W
$825/yr
$68.74/mo
Boiler (Electric)
HVAC · 6,000W
$687/yr
$57.28/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$627/yr
$52.27/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$627/yr
$52.27/mo
Heat Pump
HVAC · 2,400W
$489/yr
$40.74/mo
Tankless Water Heater (Electric) Cost in Other Kentucky Cities
| City | Rate | Annual Cost | vs Lexington |
|---|---|---|---|
| Lexington (current) | 12.7¢ | $418 | — |
| Louisville | 11.5¢ | $376 | $-42 |
| Bowling Green | 12.1¢ | $396 | $-22 |
| Owensboro | 12.5¢ | $410 | $-8 |
Tankless Water Heater (Electric) Energy Cost FAQ — Lexington, KY
Understanding Tankless Water Heater (Electric) Energy Costs in Lexington, KY
Lexington is a mid-sized Kentucky city where residential electricity rates from Kentucky Utilities (KU) are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Tankless Water Heater (Electric) (18,000W) at Lexington's rate of 12.7¢/kWh costs approximately $418 per year — $9 less than the national average of $427.
Rates in Lexington are close to the national average, so the Tankless Water Heater (Electric)'s annual cost of $418 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $8,364.
Lexington's cost of living index of 92 is below the national average, and electricity costs reflect that affordability. The Tankless Water Heater (Electric) adds $34.85/month to a typical bill of $135. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $84 per year at Lexington rates.
Lexington's moderate climate (avg 65°F) helps keep seasonal energy cost swings manageable for most appliances. A Tankless Water Heater (Electric) produces approximately 2.35 tons of CO2 annually at typical usage. Lexington 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 Lexington.
Compare All Energy Costs in Lexington
See energy costs for 168+ household appliances at Lexington's local electricity rate.