Portable Air Conditioner in Knoxville — $130/yr to Run (12.0¢/kWh)
Your portable air conditioner 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
$1.08
9.0 kWh/day
Monthly Cost
$10.80
90 kWh/mo
Annual Cost
$130
1,080 kWh/yr
Lifetime (8yr)
$1,037
energy only
Monthly Cost Breakdown in Knoxville
| Period | kWh | Knoxville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.08 | $1.17 | $-0.09 |
| Weekly | 63.0 | $7.56 | $8.19 | $-0.63 |
| Monthly | 90.0 | $10.80 | $11.70 | $-0.90 |
| Quarterly | 270.0 | $32.40 | $35.10 | $-2.70 |
| Annual | 1080.0 | $129.60 | $140.40 | $-10.80 |
Customize Your Portable Air Conditioner Cost
Adjust usage hours and electricity rate to calculate your exact cost in Knoxville.
Daily
$1.08
Monthly
$10.80
Annual
$130
8-Year
$1,037
Energy Saving Tips for Portable Air Conditioner in Knoxville
- ✓Knoxville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓A smart Portable Air Conditioner with scheduling optimization can save ~$13/year at Knoxville rates.
- ✓Knoxville's warm climate (avg 62.8°F) means higher cooling costs — consider ceiling fans to supplement.
- ✓Keep exhaust hose as short as possible
- ✓Empty water tank regularly
- ✓Seal the window kit properly
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
Portable Air Conditioner Cost in Other Tennessee Cities
| City | Rate | Annual Cost | vs Knoxville |
|---|---|---|---|
| Knoxville (current) | 12.0¢ | $130 | — |
| Nashville | 12.0¢ | $129 | $-0 |
| Memphis | 13.1¢ | $141 | +$12 |
| Chattanooga | 12.3¢ | $133 | +$3 |
| Clarksville | 11.3¢ | $122 | $-7 |
| Murfreesboro | 12.7¢ | $137 | +$8 |
| Franklin | 12.5¢ | $135 | +$5 |
| Johnson City | 11.9¢ | $129 | $-1 |
| Jackson | 9.4¢ | $102 | $-28 |
Portable Air Conditioner Energy Cost FAQ — Knoxville, TN
Understanding Portable Air Conditioner 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 moderate-draw appliance like the Portable Air Conditioner (1,500W) at Knoxville's rate of 12.0¢/kWh costs approximately $130 per year — $11 less than the national average of $140.
Rates in Knoxville are close to the national average, so the Portable Air Conditioner's annual cost of $130 is broadly representative of what most US households pay. Over the 8-year expected lifespan, total energy cost reaches $1,037.
With a cost of living index of 97, Knoxville is near the national median. The Portable Air Conditioner's monthly cost of $10.80 represents a typical share of the average Knoxville electric bill of $161/month. While no ENERGY STAR version is available, a smart Portable Air Conditioner with automated scheduling can reduce consumption by 10%, saving $13/year.
Knoxville's moderate climate (avg 62.8°F) helps keep seasonal energy cost swings manageable for most appliances. A Portable Air Conditioner produces approximately 0.77 tons of CO2 annually at typical usage. Knoxville residents can reduce this footprint by 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.