Portable Air Conditioner in Cary — $141/yr to Run (13.1¢/kWh)
Your portable air conditioner in Cary costs about $12/month at 13.1¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Cary, NC Electricity Rate
13.1¢/kWh
Utility: Duke Energy Carolinas
+1% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$1.18
9.0 kWh/day
Monthly Cost
$11.76
90 kWh/mo
Annual Cost
$141
1,080 kWh/yr
Lifetime (8yr)
$1,129
energy only
Monthly Cost Breakdown in Cary
| Period | kWh | Cary Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 9.0 | $1.18 | $1.17 | +$0.01 |
| Weekly | 63.0 | $8.23 | $8.19 | +$0.04 |
| Monthly | 90.0 | $11.76 | $11.70 | +$0.06 |
| Quarterly | 270.0 | $35.29 | $35.10 | +$0.19 |
| Annual | 1080.0 | $141.16 | $140.40 | +$0.76 |
Customize Your Portable Air Conditioner Cost
Adjust usage hours and electricity rate to calculate your exact cost in Cary.
Daily
$1.18
Monthly
$11.76
Annual
$141
8-Year
$1,129
Energy Saving Tips for Portable Air Conditioner in Cary
- ✓Cary electricity rates are 1% above the national average — energy efficiency matters more here.
- ✓A smart Portable Air Conditioner with scheduling optimization can save ~$14/year at Cary rates.
- ✓Cary's warm climate (avg 67.3°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 Cary, NC
See which appliances cost the most to run at Cary's 13.1¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,694/yr
$141.16/mo
Electric Furnace
HVAC · 10,000W
$1,176/yr
$98.03/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$859/yr
$71.56/mo
EV Charger (Level 2)
Garage · 7,200W
$847/yr
$70.58/mo
Boiler (Electric)
HVAC · 6,000W
$706/yr
$58.82/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$644/yr
$53.67/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$644/yr
$53.67/mo
Heat Pump
HVAC · 2,400W
$502/yr
$41.82/mo
Portable Air Conditioner Cost in Other North Carolina Cities
| City | Rate | Annual Cost | vs Cary |
|---|---|---|---|
| Cary (current) | 13.1¢ | $141 | — |
| Charlotte | 13.3¢ | $144 | +$3 |
| Raleigh | 12.7¢ | $137 | $-4 |
| Greensboro | 13.6¢ | $147 | +$6 |
| Durham | 13.3¢ | $143 | +$2 |
| Winston-Salem | 14.0¢ | $151 | +$10 |
| Fayetteville | 12.7¢ | $138 | $-4 |
| Wilmington | 14.1¢ | $152 | +$11 |
| High Point | 13.5¢ | $146 | +$5 |
Portable Air Conditioner Energy Cost FAQ — Cary, NC
Understanding Portable Air Conditioner Energy Costs in Cary, NC
Cary is a mid-sized North Carolina city where residential electricity rates from Duke Energy Carolinas are shaped by regional energy supply and local demand patterns. Running a moderate-draw appliance like the Portable Air Conditioner (1,500W) at Cary's rate of 13.1¢/kWh costs approximately $141 per year — $1 more than the national average of $140.
Cary rates are 1% above the national average — a modest premium that adds $1 per year to Portable Air Conditioner operating costs. Over the appliance's 8-year lifespan, that's $6 in cumulative extra spending versus the national average.
With a cost of living index of 102, Cary is near the national median. The Portable Air Conditioner's monthly cost of $11.76 represents a typical share of the average Cary electric bill of $133/month. While no ENERGY STAR version is available, a smart Portable Air Conditioner with automated scheduling can reduce consumption by 10%, saving $14/year.
Cary's moderate climate (avg 67.3°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. Cary residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for Cary.
Compare All Energy Costs in Cary
See energy costs for 168+ household appliances at Cary's local electricity rate.