15 Best Solar Companies in Herculaneum, MO (2025 Reviews)
We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Herculaneum based on:
Customer review scores
Service area for Herculaneum, MO
Company policies and services offered
Accreditations and certifications
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Average Herculaneum homeowner saves $1,455/year with solar panels
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Best Solar Companies in Herculaneum
If you’re a home or business owner looking to make the most of the solar incentives in Herculaneum, it can be challenging to narrow down which installer to decide on. But, the hard work is worth it since switching to solar energy is typically a great choice. On average, your family can save $17,000 over 20 years by using solar power. And because solar panels have a lifespan of about 25 to 30 years, you can save will be even more than that overall.
Here, we’ll narrow down some of the best solar companies in Herculaneum to make your decision a little bit easier.Want to see the cost of installing solar panels on your roof? Click "get quote" below to get a free, no-obligation quote from a top Herculaneum solar installer.
EcoWatch Rankings for Solar Companies in Herculaneum

Astrawatt Solar
Informative Resources
Clear Pricing Policy
Reliable Customer Support
Free Quotes
Limited information available on website
Services Offered
Permit Assistance
Tesla Powerwall
Consultation
Panel Installation
Battery Storage


StraightUp Solar of St. Louis
Informative Resources
Free Quotes
Clear Pricing Policy
Limited information available on website
Services Offered
Grid-Tied Solar System
Battery Storage
Consultation
Financing Assistance
Panel Installation
Cleaning and Maintenance

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

Route 66 Solar
Free Quotes
Informative Resources
Clear Pricing Policy
Limited information available on website
Services Offered
Financing Assistance
Grid-Tied Solar System
System Decommissioning
Panel Installation

EFS Energy
Clear Pricing Policy
Informative Resources
Reliable Customer Support
Limited information available on website
Services Offered
Panel Installation
Consultation
Cleaning and Maintenance
Financing Assistance

Helio Solar Power, LLC.
Reliable Customer Support
Free Quotes
Informative Resources
Prompt Service Delivery
Clear Pricing Policy
Limited information available on website
Services Offered
Financing Assistance
Solar Carports
Battery Storage
Panel Installation
Cleaning and Maintenance
Skilled Repairs

Solar city stl
Free Quotes
Reliable Customer Support
Informative Resources
Limited information available on website
Services Offered
Battery Storage
Consultation
Financing Assistance
Panel Installation
Cleaning and Maintenance
Permit Assistance


Solar Luxury LLC
Reliable Customer Support
Free Quotes
Limited information available on website
Services Offered
Off-Grid Solar Systems
Panel Installation
System Decommissioning
Consultation
Skilled Repairs

Sustainable Solar
Clear Pricing Policy
Free Quotes
Reliable Customer Support
Informative Resources
Limited information available on website
Services Offered
Financing Assistance
Panel Installation
Permit Assistance
System Decommissioning
Off-Grid Solar Systems
Skilled Repairs
Grid-Tied Solar System
Battery Storage



Purelight Power of St. Louis
Free Quotes
Reliable Customer Support
Informative Resources
Clear Pricing Policy
Limited information available on website
Services Offered
Panel Installation
Consultation
Permit Assistance
Financing Assistance
Grid-Tied Solar System

five stars electric and solar LLC
Limited information available on website
Services Offered
Panel Installation
Methodology: How We Ranked the Best Solar Companies in Herculaneum
EcoWatch's solar experts analyzed each solar company in Herculaneum 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 Herculaneum
Below are some the criteria we examined specifically for Missouri 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 Herculaneum
The cost of putting up solar panels has dropped significantly over the past several years, but it’s still a substantial investment for most homeowners.The cost and possible savings vary depending on some important factors such as:
- How much energy your home consumes: Homes that consume plenty of electricity each month may call for more solar panels and, consequently, be more expensive, but will also enjoy more savings over time.
- Your home's orientation toward the sun: This, along with the configuration of your roof, affects affect how much power your solar panels can produce.
- Incentives: Along with the federal Solar Investment Tax Credit (ITC), which lets you receive a tax credit curretnly worth 0 of your total installation cost, your local government may offer additional tax exemptions, credits or rebates that can help you save even more. Aside from incentives, you can save an average of $17,000 over 20 years with your solar panels, too.
- The type of solar panel system you have the money for: This hinges on your income and budget.
So is a solar system worth it? Whether you’d like to reduce your electric bills, greenhouse gas emissions or both, solar panels are a solid investment for many Herculaneum homeowners.
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Solar Incentives in Herculaneum
If you’re planning on making the switch to solar power, a number of government incentives and tax credits can dramatically bring down your project costs and expedite the return on your investment.You are eligible for the federal solar investment tax credit (ITC) for the tax year you turn on your a solar system. You can also possibly pair the ITC with other state and city incentives. Check out our article on solar incentives to see what incentives you can take advantage of.
Environmental Impact of Switching to Solar in Herculaneum
One of the reasons so many homeowners are considering going solar is to help lower their environmental impact.But how much can using solar energy instead of traditional energy actually help the environment? As reported by the EPA, electricity generation is the second largest source of greenhouse gas emissions and about 62% of our electricity is generated by burning fossil fuels. Installing solar panels and switching to renewable energy can help bring down that statistic in a city like Herculaneum that generates a large amount of carbon dioxide emissions each year.While solar panel production releases carbon dioxide emissions, the panels make up for it by significantly reducing the amount of CO2 you would have produced if you still used nonrenewable energy. In Herculaneum, you can reduce your carbon footprint by 100 pounds a year with solar panels. As you can see, trading traditional energy for solar has so many other rewards outside of saving money. One of the most important ones is that you can help save the Earth too.
EcoWatch's Herculaneum, MO Solar Company Rankings FAQs
Which solar company is the best in Herculaneum?
In Herculaneum, Astrawatt Solar is the top local solar company. Our team of experts rates it 5.00 stars, so it's a great choice if you're planning on installing solar panels on your house.
What are the advantages and disadvantages of solar power?
A few of the biggest pros are that it lets you spend less on your power bills, it’s environmentally friendly, and it can provide a good return on your investment (ROI). The most notable cons are that solar panels don’t work as well when there’s limited direct sunlight, the installation cost is pricey and solar panels can be an eyesore.
How long does it take for solar to pay for itself?
The average payback period for solar panel installation is about 13.0 years, but the exact period varies by local electricity costs, incentives and net metering programs.
How efficient are solar panels?
Solar panel efficiency is the amount of solar energy that is converted into electricity. Most panels today have an efficiency rating of about 15 to 25%. If your panels are more efficient, you'll need fewer of them for your home's energy needs.
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.