WattCostCalc

Cost to Run a 1,500-watt appliance for 11 hours in Delaware

Running a 1,500-watt appliance for 11 hours uses 16.5 kWh and costs $2.81 at $0.17/kWh in Delaware. Do that every day and it adds up to $84.15 a month.

$2.81 for 11 hoursat $0.17/kWh

Calculate your own cost

Hours per day:
$2.81per day
Per hour
$0.2551.5 kWh
Per day
$2.8116.5 kWh
Per week
$19.64116 kWh
Per month (30 days)
$84.15495 kWh
Per year
$1,023.836,023 kWh

Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.

People also ask

How much does a 1,500-watt appliance cost per hour?

At $0.17/kWh, it costs $0.255 per hour. The maths: 1,500 W ÷ 1,000 = 1.5 kWh per hour, × $0.17 = $0.255.

How much does it cost per month?

Used 11 hours a day for 30 days, it costs about $84.15 per month and uses 495 kWh. Change the hours in the calculator above to match how you use it.

How many kWh does it use?

16.5 kWh per day, 495 kWh per month and 6,023 kWh per year at 11 hours a day. A kWh is one kilowatt (1,000 W) used for one hour. It is the unit on your electricity bill.

How can I lower the cost?

Use it for fewer hours, switch to a lower-wattage model, and check whether your utility offers cheaper off-peak rates. Enter your own rate above to see the effect.

Does my electricity rate change the answer?

Yes, a lot. At 10¢ per kWh the monthly cost is $49.50 and at 30¢ it is $148.50. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.

Cost by hours of use in Delaware

Used per dayEnergy per dayCost per dayCost per monthCost per year
1 hour1.5 kWh$0.255$7.65$93.08
2 hours3 kWh$0.51$15.30$186.15
3 hours4.5 kWh$0.765$22.95$279.23
4 hours6 kWh$1.02$30.60$372.30
5 hours7.5 kWh$1.28$38.25$465.38
6 hours9 kWh$1.53$45.90$558.45
7 hours10.5 kWh$1.79$53.55$651.53
8 hours12 kWh$2.04$61.20$744.60
9 hours13.5 kWh$2.30$68.85$837.68
10 hours15 kWh$2.55$76.50$930.75
11 hours16.5 kWh$2.81$84.15$1,023.83
12 hours18 kWh$3.06$91.80$1,116.90
13 hours19.5 kWh$3.32$99.45$1,209.98
14 hours21 kWh$3.57$107.10$1,303.05
15 hours22.5 kWh$3.83$114.75$1,396.13
16 hours24 kWh$4.08$122.40$1,489.20
17 hours25.5 kWh$4.34$130.05$1,582.28
18 hours27 kWh$4.59$137.70$1,675.35
19 hours28.5 kWh$4.85$145.35$1,768.43
20 hours30 kWh$5.10$153.00$1,861.50
21 hours31.5 kWh$5.36$160.65$1,954.58
22 hours33 kWh$5.61$168.30$2,047.65
23 hours34.5 kWh$5.87$175.95$2,140.73
24 hours36 kWh$6.12$183.60$2,233.80

How we worked it out

  1. Energy per hour: 1,500 W ÷ 1,000 = 1.5 kWh
  2. Cost per hour: 1.5 kWh × $0.17 = $0.255
  3. Cost per day: × 11 hours = $2.81
  4. Month and year: × 30 days = $84.15, × 365 days = $1,023.83

Delaware electricity prices

Delaware pays about $0.17 per kWh, which is 3% lower than the US average of $0.175. The same appliance would cost $86.63 a month at the national average.

What it costs in different places

Same 1,500-watt appliance, 11 hours a day. Only the local electricity rate changes.

PlaceRate per kWhCost per month
United States$0.175$86.63
California$0.32$158.40
Texas$0.155$76.73
New York$0.25$123.75
Florida$0.155$76.73
Illinois$0.17$84.15
Pennsylvania$0.18$89.10
Ohio$0.17$84.15
Washington$0.115$56.93

What this estimate assumes

  • The appliance draws its full stated wattage the whole time it is on. Real units with a thermostat cycle off and cost less.
  • Wattage is the typical label value, not a measured value. Check the label on your own appliance.
  • The rate is an approximate residential average in Delaware. Your bill may include fixed fees, tiers or time-of-use pricing. Edit the rate above.
  • A month is 30 days and a year is 365 days.

Read the full calculation methodology

Keep exploring

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