Electric Tankless Water Heater in Nashville — $786/yr to Run (12.0¢/kWh)
Your electric tankless water heater in Nashville costs about $66/month at 12.0¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Nashville, TN Electricity Rate
12.0¢/kWh
Utility: Nashville Electric Service
-8% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$2.15
18.0 kWh/day
Monthly Cost
$65.54
548 kWh/mo
Annual Cost
$786
6,570 kWh/yr
Lifetime (20yr)
$15,729
energy only
Monthly Cost Breakdown in Nashville
| Period | kWh | Nashville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 18.0 | $2.15 | $2.34 | $-0.19 |
| Weekly | 126.0 | $15.08 | $16.38 | $-1.30 |
| Monthly | 547.5 | $65.54 | $71.17 | $-5.64 |
| Quarterly | 1642.5 | $196.61 | $213.53 | $-16.92 |
| Annual | 6570.0 | $786.43 | $854.10 | $-67.67 |
Customize Your Electric Tankless Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Nashville.
Daily
$2.15
Monthly
$65.54
Annual
$786
20-Year
$15,729
Energy Saving Tips for Electric Tankless Water Heater in Nashville
- ✓Nashville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Electric Tankless Water Heater in Nashville saves ~$189/year compared to standard models.
- ✓A smart Electric Tankless Water Heater with scheduling optimization can save ~$118/year at Nashville rates.
- ✓Install point-of-use units for remote fixtures
- ✓Size properly for peak demand
- ✓Consider electrical upgrade
ENERGY STAR Savings: Upgrading to an ENERGY STAR Electric Tankless Water Heater in Nashville saves approximately $189/year at local rates — $3,775 over the appliance lifetime.
Highest-Cost Appliances in Nashville, TN
See which appliances cost the most to run at Nashville's 12.0¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,551/yr
$129.28/mo
Electric Furnace
HVAC · 10,000W
$1,077/yr
$89.77/mo
EV Charger (Level 2)
Garage · 7,200W
$776/yr
$64.64/mo
Boiler (Electric)
HVAC · 6,000W
$646/yr
$53.87/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$590/yr
$49.15/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$590/yr
$49.15/mo
Heat Pump
HVAC · 2,400W
$460/yr
$38.30/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$431/yr
$35.91/mo
Electric Tankless Water Heater Cost in Other Tennessee Cities
| City | Rate | Annual Cost | vs Nashville |
|---|---|---|---|
| Nashville (current) | 12.0¢ | $786 | — |
| Memphis | 13.1¢ | $861 | +$74 |
| Knoxville | 12.0¢ | $788 | +$2 |
| Chattanooga | 12.3¢ | $809 | +$23 |
| Clarksville | 11.3¢ | $745 | $-41 |
| Murfreesboro | 12.7¢ | $834 | +$48 |
| Franklin | 12.5¢ | $821 | +$34 |
| Johnson City | 11.9¢ | $782 | $-5 |
| Jackson | 9.4¢ | $621 | $-166 |
Electric Tankless Water Heater Energy Cost FAQ — Nashville, TN
Understanding Electric Tankless Water Heater Energy Costs in Nashville, TN
In a major metro like Nashville, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.7 million residents. Running a high-draw appliance like the Electric Tankless Water Heater (18,000W) at Nashville's rate of 12.0¢/kWh costs approximately $786 per year — $68 less than the national average of $854.
Rates in Nashville are close to the national average, so the Electric Tankless Water Heater's annual cost of $786 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $15,729.
Nashville's cost of living index of 87 is below the national average, and electricity costs reflect that affordability. The Electric Tankless Water Heater adds $65.54/month to a typical bill of $154. Upgrading to an ENERGY STAR Electric Tankless Water Heater can cut energy use by up to 24%, saving approximately $189 per year at Nashville rates.
Nashville's moderate climate (avg 65.7°F) helps keep seasonal energy cost swings manageable for most appliances. A Electric Tankless Water Heater produces approximately 2.1 tons of CO2 annually at typical usage. Nashville 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 Nashville.
Compare All Energy Costs in Nashville
See energy costs for 168+ household appliances at Nashville's local electricity rate.