Solar Electricity Usage Calculator

Click here for a list of how much power each appliance uses.

Solar electricity usage calculator.

The laundry area and kitchen of the modern house contain the biggest users of electricity. Consider your appliances and how you use them. Solar panel costs and quantity are determined by your average electricity usage kwh and geographical location. Once you know how much power an appliance is consuming per day it will help you to determine your power consumption.

If energy is conserved and use of energy star appliances is maximized your home is well on the way to becoming an example of independent living. Use our power use calculator to calculate how much electricity you use in kw hours and also the likely maximum power requirement in kw. The tool works by taking your average monthly energy usage in kilowatt hours kwh. For many relying on solar power the washing machine has the largest power requirement of any appliance.

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. Use a solar power price calculator. Our calculator tools. Solar panels from well known manufacturers run as high as one to two dollars or more per watt.

Our solar calculator can estimate the number of panels needed for your home. We ll estimate your off grid system size based on the list of appliances and energy usage that you entered. Use this solar panel calculator to quickly estimate your solar potential and savings by address. Click the calculate my system size button and we ll calculate your system size.

Calculators that use kilowatt hours are more accurate because they consider your exact energy needs. Please contact us for help designing your project. You could calculate a solar energy system power consumption of an electronic appliance using a low cost plug in device called kill a watt meter. Estimates are based on your roof electricity bill and actual offers in your area.

Please note that these calculations are based on assumed power consumption of various appliances. Nrel s pvwatts calculator estimates the energy production and cost of energy of grid connected photovoltaic pv energy systems throughout the world. It allows homeowners small building owners installers and manufacturers to easily develop estimates of the performance of potential pv installations. We will not sell trade or rent your personal information to others without your permission.

Standard solar panels cost around 65 to 75 cents per watt. How to use a calculator to calculate how many solar panels you need.