Solar Calculator

Please to make sure to collect the 12 most recent utility bills. Make sure to enter Deductions if any and Panel Type.

12 Month Electrical Bill History
MonthYearUsage (kWh)
January
February
March
April
May
June
July
August
September
October
November
December
Current Monthly Average kWh:
Current Monthly Average Bill:$
System InfoDetails
Deductions if any:%
Current Yearly Usage:
Yearly Usage After Deductions:
Monthly Avg After Deductions:
Daily Average:
Average Watt:
Direct Current (DC):
Panel Type:
Panel Amount:
Actual Panel Amount (Roundup):
Actual DC Amount (to Sell):
Alternate Current (AC):
System Size (KW)
Energy Deductions KeyPercentage
A/C 16 Seer Unit20%
Water Heater System15%
Attic Insulation10%
Duct Coating10%
Hurricane Windows/Doors10%
LED Lighting5%
Price Table
Cost Per Watt$
System Cost$
Extra Costs (A/C, Coating, etc.)$
Total Cost to Salesman$
Charge Per Watt$
Total System Price$
Goverment Tax Credit%
Total Price After Tax Credit$
Enter Loan Information
Total System Price
Term
Years: Months:
Rate
Payment Information
Monthly Payment
Monthly Interest
Total Interest
Total Payment