Home Theater System in Cary — $41/yr to Run (13.1¢/kWh)
Your home theater system in Cary costs about $3/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
$0.14
1.0 kWh/day
Monthly Cost
$3.43
26 kWh/mo
Annual Cost
$41
315 kWh/yr
Lifetime (10yr)
$412
energy only
Monthly Cost Breakdown in Cary
| Period | kWh | Cary Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 1.0 | $0.14 | $0.14 | +$0.00 |
| Weekly | 7.3 | $0.96 | $0.96 | +$0.01 |
| Monthly | 26.2 | $3.43 | $3.41 | +$0.02 |
| Quarterly | 78.7 | $10.29 | $10.24 | +$0.06 |
| Annual | 315.0 | $41.17 | $40.95 | +$0.22 |
Customize Your Home Theater System Cost
Adjust usage hours and electricity rate to calculate your exact cost in Cary.
Daily
$0.14
Monthly
$3.43
Annual
$41
10-Year
$412
Energy Saving Tips for Home Theater System in Cary
- ✓Cary electricity rates are 1% above the national average — energy efficiency matters more here.
- ✓A smart Home Theater System with scheduling optimization can save ~$6/year at Cary rates.
- ✓Use power strip to eliminate standby drain
- ✓Set to auto-off with TV
- ✓Reduce subwoofer level for moderate listening
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
Home Theater System Cost in Other North Carolina Cities
| City | Rate | Annual Cost | vs Cary |
|---|---|---|---|
| Cary (current) | 13.1¢ | $41 | — |
| Charlotte | 13.3¢ | $42 | +$1 |
| Raleigh | 12.7¢ | $40 | $-1 |
| Greensboro | 13.6¢ | $43 | +$2 |
| Durham | 13.3¢ | $42 | +$1 |
| Winston-Salem | 14.0¢ | $44 | +$3 |
| Fayetteville | 12.7¢ | $40 | $-1 |
| Wilmington | 14.1¢ | $44 | +$3 |
| High Point | 13.5¢ | $43 | +$1 |
Home Theater System Energy Cost FAQ — Cary, NC
Understanding Home Theater System 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 low-draw appliance like the Home Theater System (350W) at Cary's rate of 13.1¢/kWh costs approximately $41 per year — $0 more than the national average of $41.
Cary rates are 1% above the national average — a modest premium that adds $0 per year to Home Theater System operating costs. Over the appliance's 10-year lifespan, that's $2 in cumulative extra spending versus the national average.
With a cost of living index of 102, Cary is near the national median. The Home Theater System's monthly cost of $3.43 represents a typical share of the average Cary electric bill of $133/month. While no ENERGY STAR version is available, a smart Home Theater System with automated scheduling can reduce consumption by 15%, saving $6/year.
Cary's moderate climate (avg 67.3°F) helps keep seasonal energy cost swings manageable for most appliances. A Home Theater System produces approximately 0.22 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.