15 Best Solar Companies in Waterloo, WI (2023 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Waterloo based on:
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Customer review scores
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Service area for Waterloo, WI
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Company policies and services offered
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Accreditations and certifications
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Average Waterloo homeowner saves $1,675/year with solar panels
Updated September 15, 2023
Why you can trust EcoWatch
Best Solar Companies in Waterloo
When choosing between the best solar panel installers, Waterloo homeowners have more options to choose from than ever before, which can be mind-boggling, but we're here to make making the switch to solar power simpler. While solar panels are a great investment, you'll be able to make the cost back and then some, all while helping to protect the planet. In fact, you could be looking at saving about $20,000 over 20 years.
Here, we'll give you a list of some of the top solar companies in Waterloo to make your choice a bit easier. For an idea of how much you would have to pay to install solar panels on your roof, you can get a free quote from one of the top solar companies in Waterloo by clicking the "get quote" button below.
Best Social Impact
Palmetto Solar
- Expansive service area
- Makes charitable contributions
- Certified B Corp
- No leases or PPAs
- Quality of installation may vary by location
EcoWatch Rankings for Solar Companies in Waterloo

Bright Skies Solar
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Clear Pricing Policy
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Reliable Customer Support
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Informative Resources
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Limited information available on website
Services Offered
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Home installations
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Tailored solutions
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Expert panel installation
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Energy storage solutions

Midwest Solar Power
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Free Quotes
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Informative Resources
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Clear Pricing Policy
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Reliable Customer Support
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Limited information available on website
Services Offered
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End-to-end services
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Expert panel installation
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Tailored solutions
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Integrated roofing
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Home installations
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Business installations
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Energy storage solutions

Arch Solar
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Reliable Customer Support
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Clear Pricing Policy
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Free Quotes
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Informative Resources
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Limited information available on website
Services Offered
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Tailored solutions
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Business installations
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Energy storage solutions
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Expert panel installation
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Home installations

All Energy Solar
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Informative Resources
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Free Quotes
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Clear Pricing Policy
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Reliable Customer Support
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Limited information available on website
Services Offered
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Expert panel installation
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Home installations
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Integrated roofing
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Tailored solutions
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Business installations
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Energy storage solutions
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End-to-end services

Full Spectrum Solar
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Reliable Customer Support
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Clear Pricing Policy
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Informative Resources
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Limited information available on website
Services Offered
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Business installations
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End-to-end services
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Expert panel installation
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Tailored solutions
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Energy storage solutions
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Home installations
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Integrated roofing

Epic Electric and Solar Inc.
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Informative Resources
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Free Quotes
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Reliable Customer Support
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Limited information available on website
Services Offered
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Home installations
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Expert panel installation
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Business installations
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Tailored solutions

Drews Solar
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Informative Resources
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Reliable Customer Support
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Prompt Service Delivery
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Free Quotes
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Tailored solutions
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Integrated roofing
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Business installations
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Expert panel installation
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Home installations

SunPeak
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Informative Resources
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Prompt Service Delivery
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Clear Pricing Policy
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Reliable Customer Support
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Free Quotes
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Limited information available on website
Services Offered
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Expert panel installation
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Business installations
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Energy storage solutions
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Home installations
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Tailored solutions

Renew Wisconsin Inc
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Free Quotes
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Clear Pricing Policy
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Reliable Customer Support
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Informative Resources
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Limited information available on website
Services Offered
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Expert panel installation
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Business installations
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Integrated roofing
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Energy storage solutions
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Home installations
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Tailored solutions

SunVest Solar, LLC
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Reliable Customer Support
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Informative Resources
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Free Quotes
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Clear Pricing Policy
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Limited information available on website
Services Offered
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Integrated roofing
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Business installations
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Tailored solutions
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Home installations
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Energy storage solutions
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Expert panel installation

PEC Solar Company
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Informative Resources
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Clear Pricing Policy
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Reliable Customer Support
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Free Quotes
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Prompt Service Delivery
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Limited information available on website
Services Offered
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Energy storage solutions
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Expert panel installation
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Home installations
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Tailored solutions
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Integrated roofing

Synergy Renewable Systems, LLC
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Reliable Customer Support
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Clear Pricing Policy
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Informative Resources
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Free Quotes
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Limited information available on website
Services Offered
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Home installations
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Tailored solutions
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Energy storage solutions
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Business installations
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Expert panel installation

SOLENERGY
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Free Quotes
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Clear Pricing Policy
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Informative Resources
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Reliable Customer Support
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Limited information available on website
Services Offered
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End-to-end services
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Integrated roofing
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Home installations
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Expert panel installation
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Tailored solutions

Greenlink Energy Solutions
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Free Quotes
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Informative Resources
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Reliable Customer Support
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Clear Pricing Policy
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Prompt Service Delivery
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Limited information available on website
Services Offered
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Business installations
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Energy storage solutions
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Home installations
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Expert panel installation
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Tailored solutions
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Integrated roofing

Glow Solar
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Clear Pricing Policy
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Informative Resources
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Free Quotes
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Reliable Customer Support
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Limited information available on website
Services Offered
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Tailored solutions
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Energy storage solutions
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Home installations
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Business installations
Methodology: How We Ranked the Best Solar Companies in Waterloo
EcoWatch's solar experts analyzed each solar company in Waterloo 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 Waterloo
Below are some the criteria we examined specifically for Wisconsin 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 Waterloo
The cost of installing solar panels has dropped significantly in the past few years, but it's still a significant investment for most homeowners. The installation cost is just one important factor you should take into account when looking into installing solar panels. How much it'll cost and how much you can save depend on things such as:
- Incentives: The federal solar investment tax credit, which everyone qualifies for, allows you to deduct 30% of the cost of installing your solar panel system from your taxes. Additionally, not including incentives, you can save about $20,000 over 20 years on your energy bills.
- System size and type: Some models are more pricy than others, so the one you choose can raise or lower your upfront cost. Plus, the more solar panels you need, the more it'll cost.
- Your current electricity bills: Solar panels can dramatically decrease, or completely get rid of, your utility bills. In Waterloo, you can save an average of $127 a month.
- Energy consumption: Solar may be an expensive option for families that don't consume too much energy each month.
Thanks to solar panels now being cheaper than ever as well as several solar incentives, they are a sound investment for many homeowners.
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Solar Incentives in Waterloo
To increase solar panel installation and usage, federal and local governments — and even some utility companies — offer incentives to help make solar more affordable and accessible. You can qualify for the federal solar investment tax credit (ITC) for the tax year you turn on your a solar system. You can also potentially pair the ITC with other state and city rebates and benefits. In our article on solar incentives, you can find out about the incentives you qualify for near you.
Environmental Impact of Switching to Solar in Waterloo
If you're planning on adding solar panels to your home, one of the major reasons why may be to lower your carbon dioxide emissions. You may be curious — how much do solar panels help the planet anyway? If your household consumes a lot of energy, you can have an even greater impact on the planet by switching to solar energy. Since solar panels don't release greenhouse gas emissions into the atmosphere when generating electricity, they're a good trade for nonrenewable energy sources. In fact, you could expect to reduce your carbon dioxide emissions by about 100 pounds each year. The perks of solar power are plentiful — just like solar power is! That's why so many people have been happy with using solar energy.
Best Social Impact
Palmetto Solar
- Expansive service area
- Makes charitable contributions
- Certified B Corp
- No leases or PPAs
- Quality of installation may vary by location
EcoWatch's Waterloo, WI Solar Company Rankings FAQs
What is the top solar panel installer in Waterloo?
The top local solar company in Waterloo is Sun Prairie Utilities, with a rating of 3.00 stars.
Are solar panels really eco-friendly?
Producing solar panels requires chemicals and produces toxic waste that can be harmful for the environment, which is the main drawback of solar panels.
Are solar panels worth it?
Solar panels can be a fruitful investment for a majority of homeowners, but admittedly, they might not be worth it for everyone. If your home doesn't get enough sunlight or your energy bills are already reasonably low, solar panels might not be for you.
How long do solar panels last?
Though the average lifespan of solar panels is 25 to 30 years, that doesn't mean they should be disposed of. What this means is the amount of energy they produce will have decreased by about 0.8% each year since installing them. You can decide to replace them after having them for that long or you can keep using them at a lower efficiency after that time.
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.