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Solar Energy Cost Calculator

Use our solar energy cost calculator to estimate a solar panel system size and installation costs for a residential solar system.

Instructions:

  1. Enter your monthly energy consumption in kWh.  It can be found in your monthly utility bill.  U.S. average is 920 kWh.
  2. Enter your utility electricity rate in dollars per kilowatt-hour.  It can be found in your monthly utility bill.  U.S. average is $0.115/kWh
  3. Select the installation cost of the solar system per watt.  Typical residential solar systems cost around $7 per watt.  Commercial systems cost less.
  4. Enter your state/ local utility rebate in $ per watt.  You can find out the exact incentive by using the DSIRE website and selecting your state.  Typical residential incentive is $2.50/ W
  • 1. Energy usage
    kWh/ month
  • 2. Utility electricity rate
    $/ kWh
  • 3. Cost per watt
  • 4. State/ Local rebate
    $/ W
  • Solar System Size
    kW
  • Solar Installation Cost
  • Cost after rebate
  • Cost after tax credit
  • Savings over 25 years
  • Return on investment
    years

You can get a free quote on solar panels by clicking here.

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