5 Best Solar Companies in Maryland (2025 Reviews)

In this guide on Maryland’s best solar installation companies, you’ll learn:

  • What are the best solar panel installation companies in Maryland?
  • How can you save money when choosing a solar provider in Maryland?
  • What factors are most important when picking a solar provider in Maryland?

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EcoWatch Highlights

  • Maryland has a one-to-one net metering policy, which means batteries won’t provide any financial benefit. I’d recommend them only if you feel you need backup power during outages.
  • Maryland is home to a wide range of climates, so be sure to look at snow load ratings if you live in the mountains to the west and wind load ratings to protect against hurricanes if you live closer to the coast.
  • I recommend looking for a roof leak warranty to protect against water damage from the state’s above-average precipitation.

Going solar in Maryland saves the average resident around $27,783, so while clean energy might seem like a no-brainer, choosing the best solar company from the 105 installers in the state can be an intimidating process. Not only that, but picking the wrong installer can mean nothing but frustration, and it can actually lead to you paying more for your electricity than you did before. In contrast, the right solar installer for you will save you money, provide a smooth transition into renewable energy and explain how you can use net metering and other incentives in your area to get the most out of your system.

Check out the video below to see how net metering works and how it can help you save money:

How Net Metering Works

I’ve spent the last 4 years researching and writing about the solar industry, so I have a good handle on what to look for in a solar contractor, as well as an idea of the red flags that can spell trouble. I’ve also researched how solar functions in different areas and have spoken to industry experts about what makes solar a good fit for individuals, so I understand specifically what you should look for to ensure you get a system that can keep up with the above-average energy demands in Maryland, as well as remain functional and financially beneficial through the extreme weather that frequents the area.

I used my knowledge and experience to go solar in my own home. Not only did I have an easy installation process and get stellar customer service throughout, but my system is also set to pay for itself in just 8 years and then provide net savings totaling around $30,000. I’ve help friends and family members go solar and save, too, so the information I’ll share in this article should ensure a similar experience for you.


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Outstanding Regional Installer
4.5/5
30-year warrantyComprehensive equipment optionsGood customer service
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EcoWatch Reviews Methodology

I’ve personally chosen and reviewed each of these Maryland solar installers as companies that I’d personally use if I were going solar again. On top of that, I’ll use EcoWatch’s solar company review methodology, which I helped develop, to rank and compare these providers. Nearly every section of the review standards we use is based on hard data and is never influenced by company partnerships. The only exception is the one on customer service, where I assign scores based on customer reviews and a call I make to the provider as a secret shopper. Companies can’t buy their way onto our lists, so you can rest assured that these are honest recommendations that we’d use ourselves.

The methodology includes an in-depth look at more than 20 specific criteria across 6 categories: standard services and financing, add-on options, environmental impact and sustainability, equipment quality and reliability, company reputation and customer service. We have also ranked the equipment brands each installer works with based on 18 criteria, including a look at power and performance, durability, warranty coverage and sustainability.

What are the Best Solar Companies in Maryland?

  • SunRun: Best Protection Against Damage
  • Trinity Solar: Best Warranty Coverage
  • Palmetto Solar: Best Financing Options
  • Lumina Solar: Best for Customer Service 
  • Edge Energy: Best for System Customization

Compare The Top Solar Companies In Maryland

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Sunrun

Best for Leasing

Regional Service

EcoWatch rating

Average cost

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Pros

  • Regional
  • Many financing options

Cons

  • Some reported issues with customer service
  • Some reported issues with door-to-door sales
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Trinity Solar

Solar Veteran

Regional Service

EcoWatch rating

Average cost

Pros

  • Many financing options
  • Family-owned and -operated
  • Makes charitable contributions
  • Relatively short workmanship warranty

Cons

  • Limited service area
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Palmetto Solar

Best Social Impact

Regional Service

EcoWatch rating

Average cost

Pros

  • Expansive service area
  • Comprehensive service offerings
  • Offers Lease/PPA options

Cons

  • Quality of installation may vary by location
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Lumina Solar

Outstanding Regional Installer

Regional Service

EcoWatch rating

Average cost

Pros

  • Comprehensive service offerings
  • Offers products from leading manufacturers
  • NABCEP-certified technicians

Cons

  • Relatively young company
  • Slightly limited service area
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Edge Energy

Outstanding Regional Installer

Regional Service

EcoWatch rating

Average cost

Pros

  • Offers products from SunPower
  • Comprehensive service offerings

Cons

  • Limited brands of solar equipment available

Calculate the Cost of Maryland Solar

The average cost to go solar in Maryland is around $33,700 before any incentives, which could come down to $23,590 if you’re able to take the entire ITC. This is based on the typical cost per watt in the state of $3.37 — just above the national average of $3.33 — and the average system size of 10 kW. Keep in mind that your costs can vary, and it’s not uncommon for totals to range from $16,500 up to $30,700 after the ITC.

You can get a more accurate solar cost estimate by using our solar calculator. Just put in your address and your average monthly electric bill, answer some basic questions about shading on your property and approximately how old your roof is, and you’ll get a customized estimate for installing solar on your specific home.


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Outstanding Regional Installer
4.5/5
30-year warrantyComprehensive equipment optionsGood customer service
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Maryland Solar Regulations

Maryland has a renewable portfolio standard (RPS) goal of getting 14.5% of all of its energy from renewable sources as of 2028. RPS goals like this typically push states to adopt new incentives to help meet the goal, although some states meet them without the need for additional solar incentives. An RPS goal in general helps establish a state’s commitment to clean energy and being proactive about moving away from fossil fuel usage. Maryland’s goal is quite low compared to states like California that are pushing for 100% clean energy, but it’s still a good sign that Maryland is moving toward renewable energy in general.


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Outstanding Regional Installer
4.5/5
30-year warrantyComprehensive equipment optionsGood customer service
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Maryland also has put a solar renewable energy credit (SREC) program in place that allows residential solar arrays of any size to earn credits for production, which a homeowner can then sell for a profit. SRECs are designed to help states reach their RPS goals, so this regulation goes hand-in-hand with the RPS goal mentioned above. SREC values will vary based on supply and demand, so you’ll have to go to an SREC marketplace to check on the value of your credits once you produce them.

Editor’s Note: While this article highlights certain regulations, it is vital for readers to do their own research, as the mentioned regulations are not exhaustive.

Maryland Solar News

Maryland’s flagship renewable energy program is under scrutiny for failing to deliver on its clean energy and environmental justice goals, according to an in-depth investigation by Inside Climate News. While the state’s Renewable Portfolio Standard was designed to reduce emissions and shift the energy mix toward sustainable sources, a large share of the program’s funding has gone to polluting sources like trash incineration and woody biomass. Critics argue this undermines Maryland’s climate goals and disproportionately impacts low-income and minority communities located near these facilities.

Despite billions invested, the program has not significantly curbed fossil fuel use or reduced greenhouse gas emissions. Environmental advocates are calling for reforms that would eliminate dirty energy from eligibility and redirect support toward truly clean sources like wind and solar. Lawmakers are now facing pressure to overhaul the program to better align it with Maryland’s climate commitments and ensure more equitable outcomes for communities affected by energy infrastructure.


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Outstanding Regional Installer
4.5/5
30-year warrantyComprehensive equipment optionsGood customer service
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FAQs: Best Solar Companies in Maryland

Below, we’ll answer some of the most common questions we see about the prospect of going solar in MD.

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Comparing authorized solar partners

EcoWatch rating
Average cost
Pros
Cons
BBB Rating
Year founded
Service Area
Brands of Solar Equipment Offered
Warranty Coverage
  • 4.0
    • Regional
    • Many financing options
    • Some reported issues with customer service
    • Some reported issues with door-to-door sales
    A-
    Best for Leasing