7 Best Solar Companies in Sparta, WI (2025 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 7 in Sparta based on:
Customer review scores
Service area for Sparta, WI
Company policies and services offered
Accreditations and certifications
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Average Sparta homeowner saves $1,598/year with solar panels
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Best Solar Companies in Sparta
Thinking of going solar but still deciding on which solar company would be best for your needs? Although it can be hard to choose a solar company, the effort will pay off because going solar has many fantastic benefits. Thanks to government support encouraging a growing clean energy market, homeowners in Sparta have access to some of the best solar companies in the country.
If you’re considering going solar, the first step to take is to find the best solar companies in Sparta and compare quotes. That’s why we did the hard work and put together a list of the best solar companies for you.Want to see the cost of installing a solar system on your roof? Click "get quote" below to get a free, no-obligation quote from a top-rated Sparta solar installer.
EcoWatch Rankings for Solar Companies in Sparta


Ethos Green Power Cooperative
Informative Resources
Free Quotes
Reliable Customer Support
Limited information available on website
Services Offered
Consultation
Financing Assistance
Battery Storage
Panel Installation

Champion Solar
Clear Pricing Policy
Informative Resources
Reliable Customer Support
Free Quotes
Limited information available on website
Services Offered
Consultation
Financing Assistance
Cleaning and Maintenance
Battery Storage
Skilled Repairs
Permit Assistance
Panel Installation


Blake Electric, Inc.
Free Quotes
Reliable Customer Support
Informative Resources
Clear Pricing Policy
Limited information available on website
Services Offered
Panel Installation
Cleaning and Maintenance
Permit Assistance
Consultation


Methodology: How We Ranked the Best Solar Companies in Sparta
EcoWatch's solar experts analyzed each solar company in Sparta 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 Sparta
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 Sparta
We know that for many homeowners, the decision to invest in solar hinges on installation costs.The installation cost is just one important factor you should bear in mind when looking into installing solar panels. How much it'll cost and how much you can save depend on things such as:
- The amount of sunlight your roof gets: This, plus the configuration of your roof, affects affect how much power your solar panels can produce.
- The model of solar panels you can afford: This hinges on how much you’re willing to spend upfront.
- Your current electric bills: Solar panels can greatly lower, or entirely eliminate, your utility bills. In Sparta, you can save an average of $1,104 a month.
- Electricity consumption: The average household in Sparta uses a decent amount of, and consequently may save on their energy bills.
As a result of solar panels decreasing in cost as well as local and federal solar incentives, they are a worthwhile investment for most homeowners.
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Adopting a sustainable source of energy can greatly impact both the environment and your monthly expenses. To see how much, check out the calculator below. You can also view our solar panel cost guide for Sparta, WI.
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Solar Incentives in Sparta
Although solar power is typically a big investment, it can save you a significant amount of money over many years because of smaller power bills and government incentives.When you install a solar panel system on your house, you become eligible to claim the federal tax credit, or ITC. This credit currently lowers your tax bill by 0 of the cost of your solar panels. Additionally, there are often some regional incentives that you can use to further save. For detailed information about local incentives, see our article on solar incentives.
Environmental Impact of Switching to Solar in Sparta
One of the most compelling reasons to tap into solar energy is to decrease your dependence on traditional energy sources like burning fossil fuels, which are damaging for the environment.But you may be wondering – how much exactly can you help the planet by using solar power? If your household uses lots of energy, you can have an even greater impact on the planet by switching to solar energy.In Sparta, the average homeowner can lower their carbon footprint by 90 pounds a year after going solar. For those who are worried about the environment, the upfront cost of solar is a small price to pay for the offset carbon emissions.
EcoWatch's Sparta, WI Solar Company Rankings FAQs
Which solar panel installer is the best in Sparta?
The best local solar company in Sparta is Olson Solar Energy, with a rating of 4.90 stars.
What are the advantages and disadvantages of solar power?
A few of the biggest pros are that it lowers your power bills, it’s environmentally friendly, and it provides 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, there is a high upfront cost and solar panels aren’t always aesthetically pleasing.
Are solar panels worth it?
Solar panels need a considerable upfront investment that usually costs at least ten thousand dollars, but whether or not solar panels are worth it depends on a collection of factors like how much you pay for electricity and how much direct sunlight your roof gets.
How often do solar panels need to be replaced?
Although the average lifespan of solar panels is 25 to 30 years, that doesn't mean they are completely unusable. What this means is their energy production will have decreased by about 0.8% each year since installing them. You can replace them after having them for that long or you can continue to use 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.