calculating electricity usage and cost
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Electricity Bill Calculator Electricity bill calculation. The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt:E (kWh/day) = P (W) × t (h/day) / 1000 (W/kW).lectricity cost calculation. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar:
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- 365 X 41045/.57 X $0.00000619 = $163. For electric water heaters, including heat pump units. You need to know or convert the unit cost of electricity by kilowatt-hour (kWh). 365 days/year x 12.03 kWh/day ÷ EF x Fuel Cost ($/kWh) = annual cost of operation.Example: A heat pump water heater with an EF of 2.0 and an electricity cost of $0.0842/kWh. 365 X 12.03 ÷ 2.0 X $0.0842 = $185.65 X 41045/.57 X $0.00000619 = $163. For electric water heaters, including heat pump units. You need to know or convert the unit cost of electricity by kilowatt-hour (kWh). 365 days/year x 12.03 kWh/day ÷ EF x Fuel Cost ($/kWh) = annual cost of operation.
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Calculate Your Cost Per kWh To calculate your $/kWh rate, use the formula below. Your Monthly Total Electric Bill Cost/Your Total kWh (consumption) for the Month = $/kWh Rate. 1  Example: Find out the cost from a $55 electric bill with 650 kWh used during the billing period.
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- To estimate an appliance's energy use in kWh per year, multiply the kWh/day estimate by 365 (if you wouldn't use the appliance every day of the year, multiply by the number of days you would use it). 5. Multiply the estimated kWh use (for any time period) by the cost of energy (per kWh) in your area.
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Electricity Usage Electricity Usage. The amount of energy used by each appliance depends on how much power it draws when in operation and how much of the time it is used. The power usage is measured in watts and kilowatts (a kilowatt =1000 watts), and the amount of energy that it consumes in watt-hours or kilowatt hours (kWh).A single bar electric fire often uses electricity at the rate of one kilowatt (kW) per hour. So, in an hour an electric fire will use one kilowatt hour (kWh).he power usage is measured in watts and kilowatts (a kilowatt =1000 watts), and the amount of energy that it consumes in watt-hours or kilowatt hours (kWh).
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How much electricity  costs, and how they charge you Here's the formula to figure the cost of running a device: wattage x hours used 1000 x price per kWh = cost of electricity For example, let's say you leave a 100-watt bulb running continuously (730 hours a month), and you're paying 15 /kWh.o the average rate of electricity is all but useless for most purposes. Therefore, on this site, I generally use a sample rate of 15 per kWh. This isn't a typical rate, since there's no such thing as typical when it comes to electricity rates. And it's certainly not average.
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Cost Calculator & Rates Annual Costs Carbon Footprint. The PPL Electric Utilities Electric Vehicle Cost Calculator provides an estimate of potential fuel costs and savings associated with an electric vehicle as compared with a conventional gasoline vehicle.
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- In order to calculate the average operating cost for any electrical appliance you can use the following formula: watts/1000 = kW x hours of operation = kWh x kWh rate = cost. can usually be found on the appliance nameplate.
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- Energy consumption calculation. The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt: E (kWh/day) = P (W) × t (h/day) / 1000 (W/kW).he energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt: E (kWh/day) = P (W) × t (h/day) / 1000 (W/kW).
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Electricity Bill Calculator electricity cost calculation the electricity cost per day in dollars is equal to the energy consumption e in kwh per day times the energy cost of 1 kwh in cents kwh divided by 100 cents per dollarcost day e kwh day cost cent kwh 100 centnergy consumption calculation the energy e in kilowatt hours kwh per day is equal to the power p in watts w times number of usage hours per day t divided by 1000 watts per kilowatt e kwh day p w t h day 1000 w kw
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Electric appliance calculator Electric Appliance Calculator. It's easy to determine the costs of running your appliances. You can use this tool to determine the approximate energy usage and cost of most major electric appliances. The Electric Appliance Calculator is an estimate cost of appliances.Actual costs may vary between customers.lectricity is measured in kilowatt-hours (abbreviated kWh). One kilowatt-hour is equal to the power used by ten 100-watt bulbs for one hour. The current urban charge for electricity from WPS is $0.10267 per kilowatt-hour.
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- 4. Multiply the unit's kWh/day by the number of days you'd use it during the period you'd like to calculate. So to estimate an appliance's energy use in kWh per month, multiply its kWh/day by 31 (or 28, 29 or 30 depending on how many days there are in the month you want to measure).o continue the earlier example of the window fan, if energy costs 17 cents/kWh in your area, running the fan as estimated earlier for one year will cost you approximately 1.25 (kWh per day) * 365 (days--the time period) * .17 (cost of energy/kWh) = about $77.56 per year if you use the fan every day.
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Electricity Bill Calculator Electricity cost calculation. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost($/day) = E(kWh/day) × Cost(cent/kWh) / 100(cent/$) See also.
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- Total yearly electricity consumption: kWh. Electricity cost over a year: This is the amount of electricity used every year and it's cost. But the price of the light bulbs and the time they'll last is important also. If a light bulb will last longer than the other then you'll need to replace it less often, and thus you'll pay less for the bulbs.
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How much electricity  costs, and how they charge you So, just multiply the watts times the hours used to get the watt-hours. (Then divide by 1000 to get the kilowatt-hours, which is how your utility charges you.) Example: 100-watt bulb x 2 hours  1000 = 0.2 kWh.
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Estimating Appliance and Home Electronic Energy Use Find the daily energy consumption using the following formula: (Wattage × Hours Used Per Day) ÷ 1000 = Daily Kilowatt-hour (kWh) consumption. Find the annual energy consumption using the following formula: Daily kWh consumption × number of days used per year = annual energy consumption. Find the annual cost to run the appliance using the following formula: Annual energy consumption × utility rate per kWh = annual cost to run appliance.
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- When calculating the price of your bill, energy providers monitor how many kilowatt hours of gas or electricity you have used over a certain period of time, and then multiply this by the price per unit set in your tariff. Standing charge-this is a fixed amount that you are charged each day, regardless of how much gas or electricity you use. 2  Unit rate-this is the price you will pay per unit (kWh) of energy, so it can fluctuate depending on how much energy you use.
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How to Calculate a Percentage of Utilities for a Business Divide total utility costs by total business costs to find the decimal portion of utility expenses. For example, if your annual utility costs are $25,000 and your total business expenses are $400,000, then the portion of your total costs represented by your utility costs is $25,000 divided by $400,000, or 0.0625.Step 5.hese include a number of utility costs for items such as electricity, water and natural gas. You can determine the percentage of total costs that your business spends on utilities with some straightforward arithmetic.
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How much electricity  costs, and how they charge you Here's the formula to figure the cost of running a device: wattage x hours used 1000 x price per kWh = cost of electricity For example, let's say you leave a 100-watt bulb running continuously (730 hours a month), and you're paying 15 /kWh.8 kWh. To get kilowatt-hours, take the wattage of the device, multiply by the number of hours you use it, and divide by 1000. (Dividing by 1000 changes it from watt-hours to kilowatt-hours.) That's exactly what I did in the table above.
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How much electricity  costs, and how they charge you (Then divide by 1000 to get the kilowatt-hours, which is how your utility charges you.) Example: 100-watt bulb x 2 hours 1000 = 0.2 kWh. Trivia. The average U.S. household uses 920 kWh a month. (Dept. of Energy). The U.S. as a whole used nearly 4 trillion kWh in 2009.(DoE) About 37% was residential use.ere's the formula to figure the cost of running a device: wattage x hours used 1000 x price per kWh = cost of electricity For example, let's say you leave a 100-watt bulb running continuously (730 hours a month), and you're paying 15 /kWh.
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Calculate the Costs to Use Electricity Calculate the Costs to Use Electricity. Examine each device that ’ s turned on around you and type its power (in Watts) into this box. (If you want to include more than one device, just separate each device ’ s power intake with a comma.) Example, your TV is on. Type: 115. Example, your laser printer and toaster are on. Type: 580,1200.
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Understanding Peak Demand Charges Show Me the Math: How Demand Charges are Calculated. Consumption is measured at a rate based on kilowatt hours (kWh), and demand is measured in kilowatts (kW). To understand how this applies to your energy use, see the two examples below.
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Estimating Costs and Efficiency of Storage, Demand, and Heat Pump Water Heaters 365 X 41045/.57 X $0.00000619 = $163. For electric water heaters, including heat pump units. You need to know or convert the unit cost of electricity by kilowatt-hour (kWh). 365 days/year x 12.03 kWh/day ÷ EF x Fuel Cost ($/kWh) = annual cost of operation.Example: A heat pump water heater with an EF of 2.0 and an electricity cost of $0.0842/kWh. 365 X 12.03 ÷ 2.0 X $0.0842 = $185.o estimate the annual operating cost of a storage, demand (tankless or instaneous), or heat pump (not geothermal heat pump) water heater, you need to know the following about the model: 1  Energy factor (EF) (see above).
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Electricity Bill Calculator Electricity cost calculation. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar:Cost ($/day) = E (kWh/day) × Cost (cent/kWh) / 100 (cent/$).lectricity cost calculation. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar:
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Energy Consumption Calculator Energy consumption calculation. The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt:E (kWh/day) = P (W) × t (h/day) / 1000 (W/kW).nergy consumption calculation. The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt:
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More Power to You: How to Calculate Your Electricity Usage and Save According to our electricity bill we pay $0.17130 per kilowatt hour, so this appliance would cost us $86 per year or $0.23 per day to run. Apart from the energy rating sticker, most appliances have their wattage printed somewhere on them so you can work out how much they cost to run.ccording to our electricity bill we pay $0.17130 per kilowatt hour, so this appliance would cost us $86 per year or $0.23 per day to run. Apart from the energy rating sticker, most appliances have their wattage printed somewhere on them so you can work out how much they cost to run.