Heat Pump Water Heater in Knoxville — $131/yr to Run (12.0¢/kWh)
Your heat pump water heater in Knoxville costs about $11/month at 12.0¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Knoxville, TN Electricity Rate
12.0¢/kWh
Utility: Nashville Electric Service
-8% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.36
3.0 kWh/day
Monthly Cost
$10.95
91 kWh/mo
Annual Cost
$131
1,095 kWh/yr
Lifetime (15yr)
$1,971
energy only
Monthly Cost Breakdown in Knoxville
| Period | kWh | Knoxville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 3.0 | $0.36 | $0.39 | $-0.03 |
| Weekly | 21.0 | $2.52 | $2.73 | $-0.21 |
| Monthly | 91.3 | $10.95 | $11.86 | $-0.91 |
| Quarterly | 273.8 | $32.85 | $35.59 | $-2.74 |
| Annual | 1095.0 | $131.40 | $142.35 | $-10.95 |
Customize Your Heat Pump Water Heater Cost
Adjust usage hours and electricity rate to calculate your exact cost in Knoxville.
Daily
$0.36
Monthly
$10.95
Annual
$131
15-Year
$1,971
Energy Saving Tips for Heat Pump Water Heater in Knoxville
- ✓Knoxville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Heat Pump Water Heater in Knoxville saves ~$39/year compared to standard models.
- ✓A smart Heat Pump Water Heater with scheduling optimization can save ~$26/year at Knoxville 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 Knoxville saves approximately $39/year at local rates — $591 over the appliance lifetime.
Highest-Cost Appliances in Knoxville, TN
See which appliances cost the most to run at Knoxville's 12.0¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,555/yr
$129.60/mo
Electric Furnace
HVAC · 10,000W
$1,080/yr
$90.00/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$788/yr
$65.70/mo
EV Charger (Level 2)
Garage · 7,200W
$778/yr
$64.80/mo
Boiler (Electric)
HVAC · 6,000W
$648/yr
$54.00/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$591/yr
$49.27/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$591/yr
$49.27/mo
Heat Pump
HVAC · 2,400W
$461/yr
$38.40/mo
Heat Pump Water Heater Cost in Other Tennessee Cities
| City | Rate | Annual Cost | vs Knoxville |
|---|---|---|---|
| Knoxville (current) | 12.0¢ | $131 | — |
| Nashville | 12.0¢ | $131 | $-0 |
| Memphis | 13.1¢ | $143 | +$12 |
| Chattanooga | 12.3¢ | $135 | +$4 |
| Clarksville | 11.3¢ | $124 | $-7 |
| Murfreesboro | 12.7¢ | $139 | +$8 |
| Franklin | 12.5¢ | $137 | +$5 |
| Johnson City | 11.9¢ | $130 | $-1 |
| Jackson | 9.4¢ | $103 | $-28 |
Heat Pump Water Heater Energy Cost FAQ — Knoxville, TN
Understanding Heat Pump Water Heater Energy Costs in Knoxville, TN
Knoxville 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 low-draw appliance like the Heat Pump Water Heater (500W) at Knoxville's rate of 12.0¢/kWh costs approximately $131 per year — $11 less than the national average of $142.
Rates in Knoxville are close to the national average, so the Heat Pump Water Heater's annual cost of $131 is broadly representative of what most US households pay. Over the 15-year expected lifespan, total energy cost reaches $1,971.
With a cost of living index of 97, Knoxville is near the national median. The Heat Pump Water Heater's monthly cost of $10.95 represents a typical share of the average Knoxville electric bill of $161/month. Upgrading to an ENERGY STAR Heat Pump Water Heater can cut energy use by up to 30%, saving approximately $39 per year at Knoxville rates.
Knoxville's moderate climate (avg 62.8°F) helps keep seasonal energy cost swings manageable for most appliances. A Heat Pump Water Heater produces approximately 0.78 tons of CO2 annually at typical usage. Knoxville 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 Knoxville.
Compare All Energy Costs in Knoxville
See energy costs for 168+ household appliances at Knoxville's local electricity rate.