11 Best Solar Companies in Bay St Louis, MS (Jan 2023 Review)
We analyzed over 1500 solar companies in the nation,
and have selected the top 11 in Bay St Louis based on:
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Customer review scores
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Solar installers near you
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Company policies and services offered
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Accreditations and certifications
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Updated January 20, 2023
Why you can trust EcoWatch
Best solar companies in Bay St Louis
On the hunt for the best solar companies in Bay St Louis? Installing solar panels is an exciting venture that many homeowners find rewarding for their wallets, communities and the planet. After 20 years of offsetting your energy costs with a solar system, you can save about $21,000 on your utility bills.
In this article, we'll list out the top Bay St Louis solar installers so you can find the best one for your home's solar energy needs. To get an idea of how much you would pay to install solar panels on your roof, you can get a free, no-obligation quote from one of the top solar companies in Bay St Louis by clicking the "get quote" button below.
Best National Provider
SunPower
- Most efficient panels on the market
- National coverage
- Cradle to Cradle sustainability certification
- Great warranty coverage
- Expensive
- Customer service varies by local dealer
Best Technology
Tesla Energy
- Price-match guarantee
- Sleek, efficient, and durable solar panels
- Best solar battery on the market
- Some reported issues with customer service
- Customer service varies by local dealer
Best Warranty Coverage
Sunpro Solar
- Industry-leading warranty coverage
- Expansive service area
- Some reported communication issues
- No leases or PPAs
EcoWatch Rankings for Solar Companies in Bay St Louis

3rd Rock Energy Solutions
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Educational sales approach
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Licensing and credentials transparency
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More transparent pricing than competitors
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Excellent reputation
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Limited information available on website
Services Offered
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Solar Batteries
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Solar Panels

Solar Alternatives, Inc.
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More transparent pricing than competitors
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Excellent reputation
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Limited information available on website
Services Offered
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Solar Panels
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Commercial Solar Services

3rd Rock Contracting Roofing & Solar
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More transparent pricing than competitors
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Offers a free quote process
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Educational sales approach
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Family owned and operated
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Locally owned and operated
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Comprehensive service offerings
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Excellent reputation
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Limited information available on website
Services Offered
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Maintenance and Repairs
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Roofing Services
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Commercial Solar Services
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Solar Panels
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Solar Roof Shingles

South Coast Solar
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Can browse portfolio on website
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Offers a free quote process
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Educational sales approach
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Custom system designs
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Excellent reputation
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Some reports of long wait times for installation
Services Offered
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Maintenance and Repairs
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Commercial Solar Services
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Solar Batteries
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Solar Panels

Supreme Power Solar Maintenance
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NABCEP-certified technicians
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Educational sales approach
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More transparent pricing than competitors
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Custom system designs
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Excellent reputation
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Limited information available on website
Services Offered
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Removal & Reinstallation
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Commercial Solar Services
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Maintenance and Repairs
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Solar Panels

Solar Farm Silicon Ranch
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Can browse portfolio on website
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Educational sales approach
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More transparent pricing than competitors
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Custom system designs
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Limited information available on website
Services Offered
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Commercial Solar Services
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Solar Panels

Outside Supply, LLC
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Educational sales approach
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More transparent pricing than competitors
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Excellent reputation
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Limited information available on website
Services Offered
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Commercial Solar Services
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Solar Panels

Envisha Energy LLC
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Educational sales approach
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More transparent pricing than competitors
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Limited information available on website
Services Offered
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Commercial Solar Services
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Solar Panels

Gulf Coast Solar, Inc.
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Educational sales approach
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More transparent pricing than competitors
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Custom system designs
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Limited information available on website
Services Offered
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Solar Panels

Cummins Power (Solar & Electrical)
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More transparent pricing than competitors
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Excellent reputation
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Limited information available on website
Services Offered
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Commercial Solar Services
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Solar Panels

Joule Energy
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Educational sales approach
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Limited information available on website
Services Offered
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Commercial Solar Services
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Solar Panels
Solar Company Ranking Methodology
Click here to see a more detailed overview of our solar company ranking methodology.
The Cost and Benefits of Solar in Bay St Louis
For many readers, the decision of which solar installer to hire comes down to how much it'll cost. The installation cost is just one important factor you should keep in mind when looking into getting solar panels. How much it'll cost and how much you can save depend on things including:
- How much power your household needs: If your home uses a lot of energy, you'll reap more rewards from switching to solar.
- The amount of sunlight your rooftop gets: Due to Bay St Louis' very high amount of average daily sunlight, you should be able to save a lot on your electric bills.
- System size and type: Some models are more expensive than others, so the one you get can raise or lower your upfront cost. Plus, the more solar panels you need to get, the more it'll cost.
- Incentives: Along with the federal Solar Investment Tax Credit (ITC), which gives you a tax credit currently worth 30% of your overall installation cost, your local government may offer additional tax exemptions, credits or rebates that can help you save even more. Not including incentives, you can save an average of $21,000 over 20 years with your solar panels, too.
Due to solar panels decreasing in cost as well as several solar incentives, they are a cost-effective investment for most homeowners.
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Solar Incentives in Bay St Louis
Because solar power is more sustainable than burning fossil fuels, there are several government incentives in place to encourage people to make the switch. There are a lot of federal, state and local rebates and tax credits that may earn you anywhere from 30% to 50% of your money back after buying a solar panel system. For more information about incentives that apply to you, check out our our article on solar incentives.
Environmental Impact of Switching to Solar in Bay St Louis
If you want to add solar panels to your home, one of the major reasons why may be to reduce your carbon dioxide emissions. But you may be curious — how much exactly can you help the environment by using solar power? The more energy you use, the the more the environment will benefit when you switch to solar as you won't have to rely on traditional energy sources as much. Since solar panels don't release greenhouse gas emissions into the atmosphere when creating electricity, they're a good trade for traditional energy sources. In fact, you could be looking at reducing your carbon dioxide emissions by about 90 pounds each year. The benefits of solar power are plentiful — just like solar power is! That's why so many people have been happy with committing to solar.
Best National Provider
SunPower
- Most efficient panels on the market
- National coverage
- Cradle to Cradle sustainability certification
- Great warranty coverage
- Expensive
- Customer service varies by local dealer
Best Technology
Tesla Energy
- Price-match guarantee
- Sleek, efficient, and durable solar panels
- Best solar battery on the market
- Some reported issues with customer service
- Customer service varies by local dealer
Best Warranty Coverage
Sunpro Solar
- Industry-leading warranty coverage
- Expansive service area
- Some reported communication issues
- No leases or PPAs
EcoWatch's Bay St Louis, MS Solar Company Rankings FAQs
Which solar power company is the best in Bay St Louis?
The highest-rated local solar company in Bay St Louis is 3rd Rock Energy Solutions, with a rating of 5.00 stars.
What are the advantages and disadvantages of solar power?
A few of the biggest pros are that it reduces your power bills, it's a sustainable source of energy, and it can provide a decent return on your investment (ROI). The most notable cons are that solar panels don't produce electricity at night, they cost a lot upfront and solar panels can be an eyesore.
How long does it take to see a return on your investment after installing solar panels?
The average payback period for solar panel installation is about 8.3 years, but the exact period varies depending on the cost of electricity where you are, incentives and net metering programs.
How efficient is a solar panel system?
For the most part, solar panels are about 15 to 25% efficient, meaning they can convert that percentage of the sun's energy into usable electricity.
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.