15 Best Solar Companies in Rockville, MD (2024 Reviews)

We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Rockville based on:

  • Customer review scores
  • Service area for Rockville, MD
  • Company policies and services offered
  • Accreditations and certifications

Average Rockville homeowner saves $1,349/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated June 24, 2024

Why you can trust EcoWatch

We work with a panel of solar experts to create unbiased reviews that empower you to make the right choice for your home. No other site has covered renewables as long as us, which means we have more data and insider information than other sites. Our rankings are never affected by revenue or partnerships.

Best Solar Companies in Rockville

When deciding on the best solar panel installers, Rockville homeowners have more options to choose from than ever before, which can be overwhelming, but we’re here to make adopting solar energy less confusing. One of the main reasons those residing in Rockville, where the average energy bill is high, want to go solar is to lower their monthly expenses.


The cost of installing solar panels can change substantially depending on your home’s setup and your overall energy requirements.To receive free quotes from the best solar companies in Rockville, you can click "get quote" below.

Best National Provider

SunPower

★★★★★
5.0
  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

Best Social Impact

Palmetto Solar

★★★★★
4.0
  • 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 Rockville

Best Local Installer
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EcoWatch Rating

3.0/5

Paradise Energy Solutions

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Cleaning and Maintenance
  • Service icon Battery Storage
  • Service icon Panel Installation
  • Service icon Consultation

Website: https://www.paradisesolarenergy.com/locations/maryland
Address: 10312 Governor Lane Boulevard suite 5003, Williamsport, MD 21795
Phone: 3019173342
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

5.0/5

Glim Solar

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation

Website: http://www.glimsolar.com/
Address: 18310 Montgomery Village Ave #300, Gaithersburg, MD 20879
Phone: 2407390827
Outstanding Local Installer
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EcoWatch Rating

4.9/5

American Solar Enterprises LLC

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance
  • Service icon Consultation
  • Service icon System Decommissioning
  • Service icon Skilled Repairs
  • Service icon Financing Assistance

Website: http://www.thesolardr.com/
Address: 46400 Benedict Dr STE 203, Sterling, VA 20164
Phone: 7035891136
Outstanding Local Installer
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EcoWatch Rating

4.8/5

EDGE Energy

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Pros icon award_winning
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Skilled Repairs
  • Service icon Panel Installation
  • Service icon Consultation
  • Service icon Cleaning and Maintenance
  • Service icon Battery Storage

Website: https://www.edge-gogreen.com/solar/maryland/
Address: 6854 Distribution Dr, Beltsville, MD 20705
Phone: 3013217868
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Sky NRG Solar Inc.

  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Prompt Service Delivery
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Permit Assistance
  • Service icon Battery Storage
  • Service icon Consultation
  • Service icon Panel Installation

Website: http://skynrgsolar.com/
Address: 12020 Sunrise Valley Dr #100, Reston, VA 20191
Phone: 7039352350
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Free State Solar Co

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Battery Storage
  • Service icon Consultation
  • Service icon System Decommissioning
  • Service icon Skilled Repairs
  • Service icon Cleaning and Maintenance
  • Service icon Off-Grid Solar Systems
  • Service icon Panel Installation

Website: http://www.solar-maryland.com/
Address: 11140 Rockville Pike, Rockville, MD 20852
Phone: 2408473032
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Greenway home improvements

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation

Website: https://greenwayhomeimprovements.com/contact/
Address: 10306 Eaton Pl Suite 300, Fairfax, VA 22030
Phone: 5715307079
Outstanding Local Installer
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EcoWatch Rating

4.5/5

GreenBrilliance

  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Financing Assistance
  • Service icon Panel Installation
  • Service icon Battery Storage
  • Service icon Permit Assistance
  • Service icon Cleaning and Maintenance
  • Service icon Consultation
  • Service icon Skilled Repairs

Website: https://www.greenbrilliance.com/
Address: 13655 Dulles Technology Dr Suite 130, Herndon, VA 20171
Phone: 7036570090
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Advanced Solar

  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Prompt Service Delivery
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Skilled Repairs
  • Service icon Panel Installation

Website: http://www.advanced.solar/
Address: 3321 75th Ave suite f, Landover, MD 20785
Phone: 2025055401
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Sunlight-To-The Rescue, LLC

  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon charitable_giving
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation

Website: http://www.sunlighttotherescue.com/
Address: 10014 Colesville Rd Ste B, Silver Spring, MD 20901
Phone: 2406415054
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Caleb Solar

  • Pros icon Clear Pricing Policy
  • Pros icon Prompt Service Delivery
  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Panel Installation

Website: http://calebsolar.com/
Address: 1775 Tysons Blvd, McLean, VA 22102
Phone: 8555545044
Outstanding Local Installer
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EcoWatch Rating

5.0/5

The Solar Brokers USA

  • Pros icon Clear Pricing Policy
  • Pros icon charitable_giving
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Panel Installation
  • Service icon Financing Assistance
  • Service icon Consultation

Website: https://www.solarbrokersusa.com/
Address: 16701 Melford Blvd #400, Bowie, MD 20715
Phone: 4437580947
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Sunburst Solar LLC

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Permit Assistance
  • Service icon Skilled Repairs
  • Service icon Consultation
  • Service icon Financing Assistance
  • Service icon Panel Installation

Website: https://www.sunburstsolar.com/
Address: 8115 Maple Lawn Blvd, Fulton, MD 20759
Phone: 8444786287
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

Prospect Solar LLC

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Cleaning and Maintenance
  • Service icon Panel Installation
  • Service icon Financing Assistance

Website: http://www.prospectsolar.com/
Address: 22570 Markey Ct Suite #102, Sterling, VA 20166
Phone: 7034442447
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Solar-Verse

  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Consultation
  • Service icon Panel Installation

Website: https://www.solar-verse.com/
Address: 313 Najoles Rd Suite P, Millersville, MD 21108
Phone: 4439717421

Methodology: How We Ranked the Best Solar Companies in Rockville

EcoWatch's solar experts analyzed each solar company in Rockville 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 Rockville


Below are some the criteria we examined specifically for Maryland 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 Rockville

We know that for lots of homeowners, the decision to invest in solar rests on installation costs.There are several factors you should take into consideration when trying to determine how much it will cost and how much you can save, including:

  • How much energy your household consumes: Households that use plenty of power each month may need more solar panels and, as a result, more upfront cost, but will also benefit more over time.
  • The type of solar panel system you can buy: This is dependent on how much you’re willing to spend upfront.
  • How much sunlight your roof gets: If your roof gets limited direct sunlight, your solar panel system won’t be able to make as much energy, which will give you lower savings on electric bills than someone with a roof that gets plenty of sunlight.
  • Incentives: Something that can reduce the cost of your solar project is the solar investment tax credit (ITC), which is a tax credit that’s equal to a percentage of the project cost. You can also save money on your utility bills, which can generate an average of $17,000 of savings over 20 years.

Solar is a worthwhile investment for most homeowners. You can make your own energy instead of paying for it from a utility company and take advantage of solar incentives and rebates, all while helping preserve the Earth.

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Solar Incentives in Rockville

Adopting solar power has plenty of great benefits. Not only can it help protect the Earth, but you can also save some money on your installation with various government incentives.Regardless of what state you live in, you can take advantage of the federal Solar Investment Tax Credit (ITC), which will allow you to claim 0 of your project costs when you file taxes, lowering the amount of taxes you owe that year. Additionally, there may be some state and city incentives you can benefit from too. In our article on solar incentives, you can see the incentives you qualify for in your area.

Environmental Impact of Switching to Solar in Rockville

If you want to add solar panels to your home, one of the primary reasons why may be to reduce your carbon dioxide emissions.But how much can using solar energy instead of traditional energy actually help the environment? Going solar is a great choice for the environment, due to the fact that the largest source of greenhouse gas emissions in the U.S. is from burning fossil fuels for electricity, heat, and transportation – all of which can be powered by solar instead.Since solar panels don’t release carbon dioxide emissions into the atmosphere when creating electricity, they’re a good swap for nonrenewable energy sources. In fact, you could expect to reduce your carbon dioxide emissions by about 20 pounds each year. The advantages of solar power are abundant — just like solar power is! That's why so many Rockville residents have been happy with making the switch to solar.

Best National Provider

SunPower

★★★★★
5.0
  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best for Leasing

Sunrun

★★★★★
4.0
  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

Best Social Impact

Palmetto Solar

★★★★★
4.0
  • Expansive service area
  • Makes charitable contributions
  • Certified B Corp
  • No leases or PPAs
  • Quality of installation may vary by location

EcoWatch's Rockville, MD Solar Company Rankings FAQs

Which solar power company is the best in Rockville?

The best local solar company in Rockville is Paradise Energy Solutions, with a rating of 3.00 stars.

What are the pros and cons of solar power?

The greatest advantages of solar power are that it can reduce or, for some, completely erase your electricity bills, improve the value of your home and cut back on your carbon footprint. The main disadvantages are that solar panels can be pricey to install, you may not see as many savings if you don’t use a lot of electricity and whether you can install solar panels depends on your roof configuration.

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 14.7 years, but the exact period is influenced by the cost of electricity where you are, incentives and net metering programs.

How long do solar panels last?

Although the average lifespan of solar panels is 25 to 30 years, that doesn't mean they are completely unusable. What this means is how much energy they produce 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.

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.