Our calculator tools.
Solar electricity usage calculator.
Please contact us for help designing your project.
Whilst our comprehensive solar power calculator is the main starting point for people looking into solar we also provide calculators for.
Nrel s pvwatts calculator estimates the energy production and cost of energy of grid connected photovoltaic pv energy systems throughout the world.
Solar panel costs and quantity are determined by your average electricity usage kwh and geographical location.
The tool works by taking your average monthly energy usage in kilowatt hours kwh.
Our solar calculator can estimate the number of panels needed for your home.
Keep in mind that this is only an estimate and there are many factors that can influence system sizing.
Use this solar panel calculator to quickly estimate your solar potential and savings by address.
Use a solar power price calculator.
Please note that these calculations are based on assumed power consumption of various appliances.
We ll estimate your off grid system size based on the list of appliances and energy usage that you entered.
Consider your appliances and how you use them.
Calculators that use kilowatt hours are more accurate because they consider your exact energy needs.
It allows homeowners small building owners installers and manufacturers to easily develop estimates of the performance of potential pv installations.
Standard solar panels cost around 65 to 75 cents per watt.
The laundry area and kitchen of the modern house contain the biggest users of electricity.
How to use a calculator to calculate how many solar panels you need.
Click the calculate my system size button and we ll calculate your system size.
Click here for a list of how much power each appliance uses.
Battery storage off grid systems electricity usage system size solar financing rebates and feed in tariffs.
We will not sell trade or rent your personal information to others without your permission.
Estimates are based on your roof electricity bill and actual offers in your area.
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.
Solar panels from well known manufacturers run as high as one to two dollars or more per watt.
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.
