Tankless Water Heater (Electric) in Clarksville — $373/yr to Run (11.3¢/kWh)
Your tankless water heater (electric) in Clarksville costs about $31/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
$1.02
9.0 kWh/day
Monthly Cost
$31.04
274 kWh/mo
Annual Cost
$373
3,285 kWh/yr
Lifetime (20yr)
$7,450
energy only
Monthly Cost Breakdown in Clarksville
| Period | kWh | Clarksville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.02 | $1.17 | $-0.15 |
| Weekly | 63.0 | $7.14 | $8.19 | $-1.05 |
| Monthly | 273.8 | $31.04 | $35.59 | $-4.54 |
| Quarterly | 821.3 | $93.13 | $106.76 | $-13.63 |
| Annual | 3285.0 | $372.52 | $427.05 | $-54.53 |
Customize Your Tankless Water Heater (Electric) Cost
Adjust usage hours and electricity rate to calculate your exact cost in Clarksville.
Daily
$1.02
Monthly
$31.04
Annual
$373
20-Year
$7,450
Energy Saving Tips for Tankless Water Heater (Electric) in Clarksville
- ✓Clarksville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Tankless Water Heater (Electric) in Clarksville saves ~$75/year compared to standard models.
- ✓A smart Tankless Water Heater (Electric) with scheduling optimization can save ~$56/year at Clarksville 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 Clarksville saves approximately $75/year at local rates — $1,490 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
Electric Tankless Water Heater
Water Heating · 18,000W
$745/yr
$62.09/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
Tankless Water Heater (Electric) Cost in Other Tennessee Cities
| City | Rate | Annual Cost | vs Clarksville |
|---|---|---|---|
| Clarksville (current) | 11.3¢ | $373 | — |
| Nashville | 12.0¢ | $393 | +$21 |
| Memphis | 13.1¢ | $430 | +$58 |
| Knoxville | 12.0¢ | $394 | +$22 |
| Chattanooga | 12.3¢ | $405 | +$32 |
| Murfreesboro | 12.7¢ | $417 | +$45 |
| Franklin | 12.5¢ | $410 | +$38 |
| Johnson City | 11.9¢ | $391 | +$18 |
| Jackson | 9.4¢ | $310 | $-62 |
Tankless Water Heater (Electric) Energy Cost FAQ — Clarksville, TN
Understanding Tankless Water Heater (Electric) 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 Tankless Water Heater (Electric) (18,000W) at Clarksville's rate of 11.3¢/kWh costs approximately $373 per year — $55 less than the national average of $427.
Rates in Clarksville are close to the national average, so the Tankless Water Heater (Electric)'s annual cost of $373 is broadly representative of what most US households pay. Over the 20-year expected lifespan, total energy cost reaches $7,450.
Clarksville's cost of living index of 86 is below the national average, and electricity costs reflect that affordability. The Tankless Water Heater (Electric) adds $31.04/month to a typical bill of $128. Upgrading to an ENERGY STAR Tankless Water Heater (Electric) can cut energy use by up to 20%, saving approximately $75 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 Tankless Water Heater (Electric) produces approximately 2.35 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.