Calculate the cost of solar panels for your home
America's most accurate solar calculator
Independent solar savings analysis
Developed with funding from DOE
Audited calculation engine
Solar panel cost and savings customized to your location, utility company and the physical characteristics of your home.
Privacy secured. We will not sell, trade or rent your personal information to others without your permission.
How to use our 4 step solar calculator
Step 1
Enter your address and monthly power spend
Step 2
Our solar panel layout tool will show you how many solar panels will fit on your roof
Step 3
Generate an estimate showing ballpark cost and savings for the system you need
Step 4
Compare prices of solar installers near you and refine your estimate into an exact solar quote
What you will learn using the Solar-Estimate.org calculator
1
How many solar panels are needed to power your home
2
How many square feet of suitable roof space is required
3
How many solar panels will fit on your roof and where they will go
4
How much energy the solar panels on your roof will produce
5
How much solar panels will save you on your electric bills
6
Your likely payback period for your home solar system
7
How much solar panels will cost for your home based on the average solar system cost in your area
Optional - Compare specific offers from up to four pre-screened solar companies in your area
Solar panel cost by state
July, 2019
Click on your state for solar panels cost localized to your city or use the solar calculator above to see the live prices from solar providers near you.
Showing results for a 5kW installed system
| State | Cash purchase | Cash purchase $/watt | Financed monthly payment | Financed $/watt | |
|---|---|---|---|---|---|
| Arizona | $15,750 | $3.15 | $95 | $3.50 | |
| California | $15,900 | $3.18 | $96 | $3.56 | |
| Colorado | $15,600 | $3.12 | $94 | $3.45 | |
| Florida | $14,400 | $2.88 | $87 | $3.26 | |
| Massachusetts | $16,350 | $3.27 | $99 | $3.61 | |
| New Jersey | $16,100 | $3.22 | $97 | $3.58 | |
| New York | $16,400 | $3.28 | $99 | $3.65 | |
| Texas | $15,600 | $3.12 | $94 | $3.44 | |
| Utah | $15,000 | $3.00 | $91 | $3.50 | |
| Washington | $14,750 | $2.95 | $89 | $3.25 |
Meet our experts
Solar-Estimate has assembled an impressive team of solar experts including solar installation professionals, solar system designers, specialists at calculating solar return and avoided utility bill costs, electrical engineers and even a PhD with a speciality in solar roof shading analysis.
Together this team writes and researches new content and develops new tools and functionality all focused around our core goal: providing the most accurate information and the most useful tools to help homeowners evaluate the potential that solar panels provide for their home.
