Savings with a solar energy system for this scenario we assumed a monthly electric bill of 100 and an annual electricity rate increase of three percent.
Calculate energy savings from solar panels.
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Upon entering an address the tool analyzes factors such as shade roof orientation and local weather patterns to calculate how many hours of sunlight hit that roof in a typical year.
Calculating how much money solar panels will save you requires knowledge of your power usage local electricity rates estimated solar production and any federal state and local solar incentives such as the 26 federal solar tax credit that affects the upfront cost of a solar system where you live.
Solar savings payback calculator.
The net installation cost equals the total cost of going solar minus the 30 percent federal tax credit for solar.
This analyzed information is then combined to create an estimate for how much power a user could produce and can save with solar.
The calculator also allows you to compare a high quality photovoltaic pv system with a lower priced solar system and see the difference in payback time.
Then enter your typical annual electricity bill a guess is fine.
See how long it will take for a solar system to pay for itself.
Estimates are based on your roof electricity bill and actual offers in your area.