Inputs

System Information

$

Total cost of solar panel system including installation

kW

Size of the solar panel system in kilowatts

Electricity Information

$

Current average monthly electricity bill

$
/kWh

Current cost per kilowatt-hour from your utility company

hours

Average daily peak sun hours in your location

%

Expected annual increase in electricity rates (typically 2-4%)

Tax Incentives & Rebates

%
%
$
$

Results

Payback Period

9.7 years

Net System Cost: $17,500.00

Monthly Savings

$150.00

Annual Savings

$1,800.00

25-Year ROI

267%

Net Profit: $47K

Energy Production & Savings

Monthly Production1339 kWh
Annual Energy Production16060 kWh
Self-Sufficiency100%
Grid Reduction100%

Environmental Impact

160.6

tons CO2 Avoided

3346

trees Trees Equivalent

1.4

cars Cars Off Road per year

Savings Projection (5 years)

Year 1
$1,800.00($1,800.00 Cumulative Savings)
Year 2
$1,854.00($3,654.00 Cumulative Savings)
Year 3
$1,909.62($5,563.62 Cumulative Savings)
Year 4
$1,966.91($7,530.53 Cumulative Savings)
Year 5
$2,025.92($9,556.44 Cumulative Savings)

Tax Credits & Incentives

Federal Tax Credit$7,500.00
Total Incentives$7,500.00

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Guide

How to Use This Calculator

  1. Enter your solar system cost and size
  2. Input your current monthly electric bill
  3. Set your local electricity rate per kWh
  4. Enter peak sun hours for your location
  5. Add expected annual rate increases
  6. Include available tax incentives and rebates

Key Factors to Consider

  • • Your location's average sun hours (irradiance)
  • • Current and projected electricity rates
  • • Available federal, state, and local incentives
  • • System size and efficiency ratings
  • • Installation costs and financing options

Available Incentives

  • • Federal Investment Tax Credit (ITC) - Currently 30% through 2032
  • • State tax credits and rebates vary by location
  • • Local utility company rebates and net metering programs
  • • Property tax exemptions in many states
  • • Performance-based incentives and SRECs in some markets

Solar Investment Tips

  • • Get multiple quotes from certified installers
  • • Check installer reviews and certifications
  • • Understand your system warranty (typically 25 years)
  • • Consider battery storage for additional savings
  • • Monitor system performance regularly