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About SHC Join the Movement!

Solar Home Challenge is a free online tool that lets you design your own solar system, and figure out accurate savings projections.

You'll be able to share your report with others, and if you're interested in trying solar for real, we can recommend a great local installation partner.

Locate your home

Street
City
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Design your solar energy system

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Length
Width
Orientation : 0 º
Shade : 0 %
Tilt : 0 º

Select your electricity provider and plan

  • Arizona Public Service (APS)
  • Salt River Project (SRP)
  • Tucson Electric Power (TEP)
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How much energy do you use?

  • I don't know

  • I know 1 month of usage

  • I know 12 months of usage (most accurate)

Enter the square footage of your home

Use the slider to estimate your On Peak / Off Peak usage

On Peak : 50 %
Off Peak : 50 %

Select a month and enter your energy usage (in kWh)

Use the slider to estimate your On Peak / Off Peak usage

On Peak : 50 %
Off Peak : 50 %
January
February
March
April
May
June
July
August
September
October
November
December
Off Peak Usage
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Your Solar System
Total System Size
Array Name
Annual Bill Savings
Solar %
System Financials
System
Cost
After
Incentives
Current
Electricity
Rate
Solar
Electricity
Rate
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