The list below includes many appliances and their typical power ratings (in Watts). You can use this information to help you estimate the total amount of Watt-hours that your alternative energy system needs to supply on an average day. Power ratings of most appliances are usually listed on the appliance itself or the manual. For a final calculation of your watt-hour usage, we recommend that you look at each appliance to be powered to find its rated power.
Visit the altE Kill A Watt Database to find the power usage of appliances being used in the real world as recorded by members of the altE Community. You can also buy a power meter specifically designed to measure how much power an appliance consumes.
When determining how many Watt-hours your appliances will use, keep in mind that many of the appliances you use will only be run for an average of a few minutes per day. For instance a 500W weed eater may be used for 1 hour every week. That translates to an average of 71 Watt-hours per day (500W / 7 Days).
Additionally, there are appliances like refrigerators which although appear to be on all day, actually are running between 12 to 15 hours a day (turning on and off as needed). Air conditioning units also run on and off all day depending on the cooling needs of the home and the outdoor temperature.
Finally, be aware of ghost loads. These are devices that people commonly forget to include in their calculations. These devices typically consume a small amount of energy (less than 1W) but are running 24 hours a day. Examples of typical ghost loads would be AC adapters, clocks, VCRs, TVs, microwaves, and printers. Many of these devices require power to maintain their clocks running (e.g. VCR, TV, and microwave). Although the amount of energy consumed on an hourly basis is small, the fact that they run all day can easily add as much as 100Wh per day.
The best way to compare the cost of running different appliances is to look at their power consumption, which is measure of how much power they use in Watts. The following list points out typical values for the wattage of some devices you would find in your home so that you can compare them.
An important point is also to bear in mind the length of time for which the device will be used. For example an electric blanket may be used for 2 hours, but a hair drier for 5 minutes. Therefore the blanket uses 200W * 2 hours = 0.4kWh. The hair drier uses 2KW * 0.0833hours = 0.1666kWh. So using the blanket costs roughly 2.5 times as much as the hair drier.
Remember opening your last electricity bill? How was that? Probably not great. Your eyes scanned the charges and total cost, your mind started to wander. You were trying to figure out if there was a way to reduce energy usage and these upward-creeping energy costs.
Well walk you through the steps to figure out how much your dryer contributes to your monthly electricity bill and how much it might cost you per year. Well also break down how a dryer compares to other major appliances in terms of wattage, and look at ways to increase efficiency and reduce energy costs.
Clothes dryers can require anywhere from 1800 to 5000 watts of energy. You can find the wattage for your dryer in your owner's manual, or look up your model online. Most use around 3000 watts. For our example, well use this number.
So, we know how many kilowatt hours are used when you run the dryer on a regular day. Next, we find out how much it costs by multiplying the number of kilowatt hours by the cost per kilowatt hour through your utility company. For this example, well say its $0.18 per kilowatt hour.
So, there you have it. Using your clothes dryer consistently for one year will cost you just shy of $260 in electricity. Energy.gov has an energy calculator that you can use to find the energy use and cost of different appliances in your home.
When youre spending that much money on energy as just a portion of your yearly energy costs, you might feel like unplugging everything and reading by candlelight. But dryers are one of the more energy-thirsty appliances you probably have at home.
A ceiling fan uses between 10 and 120 watts, the average microwave oven uses 1200 watts, and an electric heater uses 1500 watts. You can practically use all of these various appliances to add up to one drying cycle with clothes dryers!
The good news is there are new energy-efficient dryers available now. Energy Star appliances use 20 percent less energy than standard dryers.1 They even have heat sensors that detect when your clothes are dry and stop the cycle to conserve energy and save money.
Using these smart tips to reduce electricity use is a good idea whether you have an energy-efficient dryer or not. Youll see a drop in how much electricity you use and in how much money you spend on drying your clothes.
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