5 Best Solar Companies in Williamson, AZ (2025 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 5 in Williamson based on:
Customer review scores
Service area for Williamson, AZ
Company policies and services offered
Accreditations and certifications
Please enter a valid 5-digit zip code!
Average Williamson homeowner saves $1,979/year with solar panels
Why you can trust EcoWatch
Best Solar Companies in Williamson
Getting the best solar panel installation company for your roof is a huge decision, but it's one that can pay off big in Williamson. With an average energy bill of $1,666 per month in Williamson, switching to solar power can decrease your monthly bills by about that much.
Here, we’ll give you a list of some of the top solar companies in Williamson to make your choice much easier.We advise shopping around to get several quotes and comparing them to see which is the best installer for your home. To receive free, no-pressure quotes from pre-screened solar companies in Williamson, click the link below.
Best for Leasing
Sunrun
- Expansive service area
- Many financing options
- Some reported issues with customer service
- Some reported issues with door-to-door sales
EcoWatch Rankings for Solar Companies in Williamson

Rooftop Solar
Reliable Customer Support
Prompt Service Delivery
Informative Resources
Free Quotes
Clear Pricing Policy
Limited information available on website
Services Offered
Financing Assistance
Panel Installation
Permit Assistance
Tesla Powerwall
Battery Storage
Solar Carports
Grid-Tied Solar System

SolarOne Southwest Energy Group
Prompt Service Delivery
Free Quotes
Clear Pricing Policy
Reliable Customer Support
Limited information available on website
Services Offered
Panel Installation
Financing Assistance
Skilled Repairs
System Decommissioning
Cleaning and Maintenance
Battery Storage
Permit Assistance

Pur Solar & Electrical - Prescott
Free Quotes
Clear Pricing Policy
Informative Resources
Prompt Service Delivery
Reliable Customer Support
Limited information available on website
Services Offered
Consultation
Skilled Repairs
Solar Carports
Solar Panel Upgrades
Battery Storage
Cleaning and Maintenance
Panel Installation
Financing Assistance

Pur Solar & Electrical
Free Quotes
Prompt Service Delivery
Clear Pricing Policy
Informative Resources
Reliable Customer Support
Limited information available on website
Services Offered
Panel Installation
Cleaning and Maintenance
Solar Carports
Consultation
Solar Panel Upgrades
Financing Assistance
Battery Storage
Skilled Repairs

Methodology: How We Ranked the Best Solar Companies in Williamson
EcoWatch's solar experts analyzed each solar company in Williamson based on criteria such as its reputation in the industry, customer reviews, services, warranty coverage and financing. Using this solar methodology, we used the data we collected to rate and rank each company and narrow down our picks for the best solar companies in Williamson
Below are some the criteria we examined specifically for Arizona solar companies
- Brand reputation and certifications (20%): We take each company's Better Business Bureau (BBB) score into consideration, as well as how long the installer has been in business (at least 5 years is required, 10 preferred) and what type of solar certifications it holds.
- Customer reviews (20%): Trust is a top priority at EcoWatch, so we take customer experience under close consideration. We scour different review sites and customer testimonials when ranking our top solar companies, checking sites such as Trustpilot and Google Reviews. We also consider any potential complaints or lawsuits filed against these companies and award or remove points accordingly.
- Warranty (20%): A company earns a perfect score in this category if it offers 25-year warranties that cover performance, product and workmanship. The industry standard that we measure companies against is 25-year product and performance warranties, along with a 10-year workmanship warranty. We also look closely into the track record of the post-installation support each company provides in terms of honoring its contracts
- Solar services (10%): All of the companies we review install solar panels, but we award companies higher points if they offer additional services for customers, like battery installation, energy-efficiency audits, and EV chargers.
- Pricing and financing (10%): It's hard to get exact quotes for solar projects, but we use marketplace research to determine how each company prices its equipment and installation services. Additionally, companies that offer more help for panel financing — like in-house loans, leases, or PPAs — score higher than those that don't.
- Availability (10%): The bigger the service area, the higher the company will score.
- Transparency and accessibility (5%): Solar installers that offer free consultations and easy contact methods score higher in this category.
- Environmental, social and corporate governance factors (5%): A company earns a perfect score in this category if it offers public data disclosure, addresses end-of-life (EOL) products or processes, and demonstrates a commitment to uplifting the communities that it serves.
The Cost and Benefits of Solar in Williamson
For many people considering switching to solar, the decision of which solar installer to choose depends on how much it’ll cost.The overall price and potential savings vary depending on some key factors such as:
- Your income and budget: This affects what kind of solar panels you can purchase.
- Typical energy usage: The more electricity your home uses on average and the higher your current power bills are, the more benefits you’ll see from making the switch to solar.
- Incentives: The federal solar investment tax credit, which can save you some money, lets you deduct 0 of the cost of your solar system installation from your federal taxes. In addition, not including incentives, you can save about $24,000 over 20 years on your energy bills.
- Where your home is: This influences the average daily sunlight your roof gets, which helps determine how many panels you need.
As a result of the cost of solar panels being lower than before as well as local and federal solar incentives, they are a sound investment for most homeowners.
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Use the calculator below to find out how much switching to solar could impact the Earth and your bank account. You can also view our solar panel cost guide for Williamson, AZ.
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Solar Incentives in Williamson
There are many good reasons why adopting solar power is beneficial. One of them includes some government incentives you can take advantage of.There are several federal, state and local rebates and tax credits that earn a decent amount of money back after installing a qualifying system. You can learn about the incentives you can take advantage of in our article on solar incentives
Environmental Impact of Switching to Solar in Williamson
There are a few primary reasons why many people want to invest in solar energy: for the good of their bank accounts and the planet.But you may be curious – how much exactly can you help the planet by making the switch to solar? The average person has a substantial carbon footprint. Between their car, which produces over 10,000 pounds of carbon dioxide emissions each year, and energy for their home, it can be overwhelming to figure out what to do. Using solar power is a practical thing you can do to help.If you go solar, your carbon footprint can be lowered by about 100 pounds each year. If you want to do your part for the environment, you’ll most likely get that there are many advantages to adopting solar power other than just saving money on electricity. You can also help preserve the environment, which some would argue is more valuable.
Best for Leasing
Sunrun
- Expansive service area
- Many financing options
- Some reported issues with customer service
- Some reported issues with door-to-door sales
EcoWatch's Williamson, AZ Solar Company Rankings FAQs
Which solar installation company is the best near me?
The highest-rated local solar company in Williamson is Rooftop Solar, with a rating of 5.00 stars.
What are some of the main advantages and disadvantages of switching to solar?
A few of the biggest pros are that it reduces your power bills, it’s good for the environment, and it can give you a significant return on your investment (ROI). The most notable cons are that solar panels don’t work as well when there’s limited direct sunlight, they cost a lot upfront and solar panels can look clunky on your roof.
How long does it take for solar to pay for itself?
Solar panels generally pay for themselves in about 8.7 years, but your solar payback period will vary based on your utility costs. The higher your typical energy bill, the quicker your solar panel system will recoup your installation costs.
What is solar panel capacity and how much do I need for my house?
Solar panel capacity is rated depending on how many watts of power they generate under standard testing conditions. Since each panel can typically produce about 250 to 400 watts per hour, the average household will need 20 to 35 panels.
Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert’s opinion on the top solar companies featured here, follow this link.
Company research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.