Whole House Fan in Wilmington — $28/yr to Run (14.1¢/kWh)
Your whole house fan in Wilmington costs about $2/month at 14.1¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Wilmington, NC Electricity Rate
14.1¢/kWh
Utility: Duke Energy Carolinas
+8% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.28
2.0 kWh/day
Monthly Cost
$2.34
17 kWh/mo
Annual Cost
$28
200 kWh/yr
Lifetime (20yr)
$562
energy only
Monthly Cost Breakdown in Wilmington
| Period | kWh | Wilmington Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 2.0 | $0.28 | $0.26 | +$0.02 |
| Weekly | 14.0 | $1.97 | $1.82 | +$0.15 |
| Monthly | 16.7 | $2.34 | $2.17 | +$0.18 |
| Quarterly | 50.0 | $7.03 | $6.50 | +$0.53 |
| Annual | 200.0 | $28.10 | $26.00 | +$2.10 |
Customize Your Whole House Fan Cost
Adjust usage hours and electricity rate to calculate your exact cost in Wilmington.
Daily
$0.28
Monthly
$2.34
Annual
$28
20-Year
$562
Energy Saving Tips for Whole House Fan in Wilmington
- ✓Wilmington electricity rates are 8% above the national average — energy efficiency matters more here.
- ✓A smart Whole House Fan with scheduling optimization can save ~$3/year at Wilmington rates.
- ✓Wilmington's warm climate (avg 66.9°F) means higher cooling costs — consider ceiling fans to supplement.
- ✓Use in the evening when outside is cooler
- ✓Open windows when running
- ✓Close attic access in winter
Highest-Cost Appliances in Wilmington, NC
See which appliances cost the most to run at Wilmington's 14.1¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,821/yr
$151.74/mo
Electric Furnace
HVAC · 10,000W
$1,265/yr
$105.38/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$923/yr
$76.92/mo
EV Charger (Level 2)
Garage · 7,200W
$910/yr
$75.87/mo
Boiler (Electric)
HVAC · 6,000W
$759/yr
$63.23/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$692/yr
$57.69/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$692/yr
$57.69/mo
Heat Pump
HVAC · 2,400W
$540/yr
$44.96/mo
Whole House Fan Cost in Other North Carolina Cities
| City | Rate | Annual Cost | vs Wilmington |
|---|---|---|---|
| Wilmington (current) | 14.1¢ | $28 | — |
| Charlotte | 13.3¢ | $27 | $-1 |
| Raleigh | 12.7¢ | $25 | $-3 |
| Greensboro | 13.6¢ | $27 | $-1 |
| Durham | 13.3¢ | $27 | $-2 |
| Winston-Salem | 14.0¢ | $28 | $-0 |
| Fayetteville | 12.7¢ | $25 | $-3 |
| Cary | 13.1¢ | $26 | $-2 |
| High Point | 13.5¢ | $27 | $-1 |
Whole House Fan Energy Cost FAQ — Wilmington, NC
Understanding Whole House Fan Energy Costs in Wilmington, NC
Wilmington 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 low-draw appliance like the Whole House Fan (500W) at Wilmington's rate of 14.1¢/kWh costs approximately $28 per year — $2 more than the national average of $26.
Wilmington rates are 8% above the national average — a modest premium that adds $2 per year to Whole House Fan operating costs. Over the appliance's 20-year lifespan, that's $42 in cumulative extra spending versus the national average.
Wilmington's cost of living index of 89 is below the national average, and electricity costs reflect that affordability. The Whole House Fan adds $2.34/month to a typical bill of $154. While no ENERGY STAR version is available, a smart Whole House Fan with automated scheduling can reduce consumption by 10%, saving $3/year.
Wilmington's moderate climate (avg 66.9°F) helps keep seasonal energy cost swings manageable for most appliances. A Whole House Fan produces approximately 0.14 tons of CO2 annually at typical usage. Wilmington residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for Wilmington.
Compare All Energy Costs in Wilmington
See energy costs for 168+ household appliances at Wilmington's local electricity rate.