Electric Tankless Water Heater in Clarksville — $745/yr to Run (11.3¢/kWh)
Your electric tankless water heater in Clarksville costs about $62/month at 11.3¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Clarksville, TN Electricity Rate
11.3¢/kWh
Utility: Nashville Electric Service
-13% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$2.04
18.0 kWh/day
Monthly Cost
$62.09
548 kWh/mo
Annual Cost
$745
6,570 kWh/yr
Lifetime (20yr)
$14,901
energy only
Monthly Cost Breakdown in Clarksville
| Period | kWh | Clarksville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 18.0 | $2.04 | $2.34 | $-0.30 |
| Weekly | 126.0 | $14.29 | $16.38 | $-2.09 |
| Monthly | 547.5 | $62.09 | $71.17 | $-9.09 |
| Quarterly | 1642.5 | $186.26 | $213.53 | $-27.27 |
| Annual | 6570.0 | $745.04 | $854.10 | $-109.06 |
Customize Your Electric Tankless Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Clarksville.
Daily
$2.04
Monthly
$62.09
Annual
$745
20-Year
$14,901
Energy Saving Tips for Electric Tankless Water Heater in Clarksville
- ✓Clarksville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Electric Tankless Water Heater in Clarksville saves ~$179/year compared to standard models.
- ✓A smart Electric Tankless Water Heater with scheduling optimization can save ~$112/year at Clarksville 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 Clarksville saves approximately $179/year at local rates — $3,576 over the appliance lifetime.
Highest-Cost Appliances in Clarksville, TN
See which appliances cost the most to run at Clarksville's 11.3¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,470/yr
$122.47/mo
Electric Furnace
HVAC · 10,000W
$1,021/yr
$85.05/mo
EV Charger (Level 2)
Garage · 7,200W
$735/yr
$61.24/mo
Boiler (Electric)
HVAC · 6,000W
$612/yr
$51.03/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$559/yr
$46.56/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$559/yr
$46.56/mo
Heat Pump
HVAC · 2,400W
$435/yr
$36.29/mo
Hot Tub / Spa
Pool & Spa · 3,000W
$408/yr
$34.02/mo
Electric Tankless Water Heater Cost in Other Tennessee Cities
| City | Rate | Annual Cost | vs Clarksville |
|---|---|---|---|
| Clarksville (current) | 11.3¢ | $745 | — |
| Nashville | 12.0¢ | $786 | +$41 |
| Memphis | 13.1¢ | $861 | +$116 |
| Knoxville | 12.0¢ | $788 | +$43 |
| Chattanooga | 12.3¢ | $809 | +$64 |
| Murfreesboro | 12.7¢ | $834 | +$89 |
| Franklin | 12.5¢ | $821 | +$76 |
| Johnson City | 11.9¢ | $782 | +$37 |
| Jackson | 9.4¢ | $621 | $-124 |
Electric Tankless Water Heater Energy Cost FAQ — Clarksville, TN
Understanding Electric Tankless Water Heater Energy Costs in Clarksville, TN
Clarksville is a mid-sized Tennessee city where residential electricity rates from Nashville Electric Service are shaped by regional energy supply and local demand patterns. Running a high-draw appliance like the Electric Tankless Water Heater (18,000W) at Clarksville's rate of 11.3¢/kWh costs approximately $745 per year — $109 less than the national average of $854.
Rates in Clarksville are close to the national average, so the Electric Tankless Water Heater's annual cost of $745 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $14,901.
Clarksville's cost of living index of 86 is below the national average, and electricity costs reflect that affordability. The Electric Tankless Water Heater adds $62.09/month to a typical bill of $128. Upgrading to an ENERGY STAR Electric Tankless Water Heater can cut energy use by up to 24%, saving approximately $179 per year at Clarksville rates.
In Clarksville's warm climate (avg 70.3°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Electric Tankless Water Heater produces approximately 2.1 tons of CO2 annually at typical usage. Clarksville 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 Clarksville.
Compare All Energy Costs in Clarksville
See energy costs for 168+ household appliances at Clarksville's local electricity rate.