Maryland is fostering a dynamic solar energy sector, characterized by a mix of innovative companies dedicated to harnessing solar power. This growth reflects a rising demand for renewable energy solutions, where firms focus on installations, project development, and energy efficiency improvements. As the industry shifts towards more sustainable practices, players are increasingly adopting advanced technologies and financing options to make solar energy accessible. The expansion of solar incentives and public awareness supports a robust market trajectory, positioning these companies as pivotal contributors to Maryland’s green energy transition.

The companies featured in this list range from small family-owned businesses to larger corporate entities, showcasing a variety of specializations in solar energy. With headquarters primarily in urban areas like Beltsville, Laurel, and Baltimore, these firms were founded between 2002 and 2022. This diversity reflects the sector's overall expansion, with providers focusing on residential installations, commercial projects, and energy efficiency solutions. Their collective expertise suggests a forward-looking industry keen on meeting eco-friendly goals.

Read on to discover more about Maryland's premier solar energy companies.

Top 19 Solar Energy Companies in Maryland

1. Vivint Solar

• Website: vivintsolar.com
• Ownership type: Corporate
• Headquarters: Beltsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $3.2B, July 2020
• Founded year: 2011
• Headcount: 5001-10000
• LinkedIn: armed-forces-credit-solutions-llc

Vivint Solar, now known as Sunrun, is a solar energy provider based in Beltsville, Maryland, specializing in residential solar power solutions. Founded in 2011, the company focuses on solar panel installations, solar subscriptions, and energy management technologies. Their services are designed to help homeowners reduce energy costs while transitioning to renewable energy sources. Vivint Solar has made a notable impact in the industry by offering tailored solar plans that include options for leasing and ownership, making solar energy more accessible to a wider audience. The company has also received significant funding, totaling $3.2 billion as of July 2020, which supports its growth and innovation in solar technology. With a strong emphasis on customer satisfaction, Vivint Solar provides a 25-year equipment guarantee and a comprehensive maintenance program, ensuring that customers can rely on their solar systems for years to come.

2. Solar Energy World

• Website: solarenergyworld.com
• Ownership type: Private
• Headquarters: Laurel, Maryland, United States (USA)
• Employee distribution: United States (USA) 91%, India 4%, Other 5%
• Founded year: 2009
• Headcount: 201-500
• LinkedIn: solar-energy-world

Solar Energy World, based in Laurel, Maryland, is a private solar energy provider specializing in the installation of solar panels and batteries. Since its inception in 2009, the company has focused on helping residential and commercial clients reduce energy costs and promote sustainability through renewable energy solutions. They offer a thorough installation process that includes a free solar analysis, site assessment, and ongoing monitoring services to ensure optimal performance of solar systems. Solar Energy World serves customers primarily in Maryland, Delaware, Pennsylvania, Virginia, New Jersey, Florida, and Washington D.C. Their commitment to customer service is reflected in their comprehensive approach, which includes managing paperwork for solar incentives and providing live monitoring of installed systems. With a workforce of approximately 338 employees, the company is well-equipped to meet the growing demand for solar energy solutions.

3. Renewable Energy Corporation

• Website: renewableenergysolar.net
• Ownership type: Family Owned
• Headquarters: Timonium, Maryland, United States (USA)
• Founded year: 2002
• Headcount: 1-10
• LinkedIn: renewable-energy-corporation

Renewable Energy Corporation, based in Timonium, Maryland, is a family-owned solar energy provider established in 2002. The company specializes in solar panel installation and offers a range of services aimed at helping homeowners and businesses reduce their energy costs and environmental impact. Their product lineup includes solar panels, battery backups, solar inverters, and energy efficiency solutions. With a focus on quality, Renewable Energy Corporation partners with industry leaders like QCELLS to provide high-efficiency solar products. The company has successfully installed hundreds of solar energy systems, contributing significantly to the renewable energy landscape in the Mid-Atlantic region. Their commitment to customer satisfaction is reflected in numerous positive reviews, showcasing their expertise and reliability in the solar energy market.

4. CI Renewables

• Website: cirenew.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: kdc-solar

CI Renewables, based in Baltimore, Maryland, is a private renewable energy firm specializing in solar energy solutions. Since its inception in 2010, the company has focused on developing, owning, and operating solar power projects tailored for commercial, governmental, and educational clients. CI Renewables has successfully constructed over 200 megawatts of solar capacity across 45 projects, generating more than 260 million kilowatt-hours of clean energy. Their services span the entire project lifecycle, including early-stage development, financing, construction, and ongoing asset management. The company is also pioneering agrivoltaics, integrating agricultural practices with solar energy production, which reflects their commitment to sustainability and innovation. CI Renewables has built a reputation for quality and reliability, with a team that boasts over 160 years of collective experience in the renewable energy sector.

5. Power Factor

• Website: powerfactorco.com
• Ownership type: Family Owned
• Headquarters: Dundalk, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: power-factor

Power Factor is a family-owned solar energy and electrical services company based in Dundalk, Maryland, with a strong operational presence in Baltimore. Since its inception in 2013, the company has focused on the installation of solar panels for both residential and commercial properties. Power Factor has successfully completed over 1,800 residential installations and has deployed more than 35 megawatts of solar energy systems, showcasing their capability in handling significant projects. The company prides itself on its customer-centric approach, offering transparent pricing with no hidden fees and 24/7 emergency services. Their team consists of experienced, certified technicians who are dedicated to ensuring optimal performance and reliability of solar systems. Power Factor also provides financing options to facilitate the adoption of solar energy, making it accessible to a broader audience. With a commitment to sustainability and energy efficiency, Power Factor is positioned as a trusted partner for those looking to harness solar power.

6. Energy Select

• Website: energyselectllc.com
• Ownership type: Private
• Headquarters: Leonardtown, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: energyselect

Energy Select LLC, based in Leonardtown, Maryland, is a private solar energy provider that specializes in renewable energy solutions for both residential and commercial clients. Founded in 2002, the company has built a reputation for delivering quality services, including solar panel installation, battery backup systems, and comprehensive energy analysis. Their mission is to help clients reduce energy costs and transition to sustainable energy sources. Energy Select operates primarily in Southern and Western Maryland, extending its services to parts of Virginia and West Virginia. The company emphasizes customer satisfaction and sustainability, aiming to create a positive impact on the environment while enhancing energy independence for its clients. They are also a proud member of the Amicus Solar Co-Op, which allows them to collaborate with other solar companies to improve service delivery and community engagement. With a dedicated team and a focus on local expertise, Energy Select is committed to guiding clients through their solar journey, ensuring a smooth transition to renewable energy.

7. Standard Energy Solutions

• Website: standardenergysolutions.com
• Ownership type: Private
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: standard-energy-solutions

Standard Energy Solutions, based in Columbia, Maryland, is a private solar energy contractor that has been active since 2004. The company specializes in providing renewable energy solutions, including solar panel installations and battery storage systems. They also offer project management and financing options tailored for homeowners and businesses. With a strong operational footprint across six states, including Maryland, Virginia, and New Jersey, Standard Energy Solutions has successfully completed over 5,000 residential solar installations, totaling more than 50,000,000 watts of solar capacity. Their commitment to quality service and community involvement is evident in their partnerships and customer testimonials, which highlight their efficiency and professionalism in project execution. The company operates without reported external funding, relying instead on its operational revenue to sustain growth and service delivery.

8. Sunrock Distributed Generation

• Website: sunrockdg.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $10.0M, May 2022
• Founded year: 2022
• Headcount: 11-50
• LinkedIn: sunrock-distributed-generation

Sunrock Distributed Generation is a private renewable energy solutions company based in Baltimore, Maryland, specializing in solar energy. Founded in 2022, the company offers a range of services including solar project development, financing options, and asset management. They cater to various sectors such as healthcare, education, and retail, focusing on helping clients reduce energy costs and improve sustainability through solar installations. Sunrock's approach includes providing turn-key solutions that eliminate financial and logistical barriers for organizations looking to adopt solar energy. The company has received $10 million in funding, reflecting its potential for growth and commitment to expanding its impact in the renewable energy sector.

9. EDGE Energy

• Website: edge-gogreen.com
• Ownership type: Private
• Headquarters: Beltsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: edge-energy

EDGE Energy, based in Beltsville, Maryland, is an energy solutions provider that specializes in solar energy and HVAC services. Founded in 2006, the company has built a solid reputation in the DMV area, offering a range of services that include solar panel installation, energy audits, and home improvements aimed at enhancing energy efficiency. With a workforce of approximately 66 employees, EDGE Energy has successfully completed over 5,000 projects, demonstrating their capability and commitment to customer satisfaction. The company has been recognized as a six-time ENERGY STAR® Contractor of the Year, reflecting their dedication to high performance and quality service. Their clientele includes both homeowners and businesses looking to reduce energy costs and transition to renewable energy sources, positioning them as a significant player in the solar energy market.

10. New Energy Equity

• Website: newenergyequity.com
• Ownership type: Corporate
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $165.5M, March 2022
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: new-energy-equity

New Energy Equity, based in Annapolis, Maryland, is a solar energy developer and finance company that has been operational since 2013. The firm focuses on the comprehensive development and management of solar projects, providing a range of services that include project financing, engineering, construction, and operation and maintenance. They cater to various sectors, including government, commercial, and non-profit organizations, demonstrating a commitment to advancing clean energy solutions across the United States. With a portfolio that boasts over 250 completed projects and a total generation capacity exceeding 310 megawatts, New Energy Equity has made a significant impact in the solar industry. The company has successfully closed more than $600 million in clean energy investments and maintains a project financing success rate of 100%. Their recent funding of $165.5 million in March 2022 highlights their growth potential and the confidence investors have in their business model. New Energy Equity is also recognized for its workplace culture, having been named one of the best places to work in the Washington, D.C. area, which reflects their commitment to employee satisfaction and diversity.

11. SuperGreen Solutions

• Website: supergreensolutions.com
• Ownership type: Private
• Headquarters: Bel Air, Maryland, United States (USA)
• Employee distribution: United States (USA) 88%, Australia 12%
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: supergreensolutions

SuperGreen Solutions, based in Bel Air, Maryland, is a private company that specializes in renewable energy solutions, particularly solar energy. Established in 2010, the firm has carved out a niche in the solar market by providing tailored solar installations for both residential and commercial properties. Their service portfolio includes not only solar panel installations but also EV charging stations and LED lighting solutions, reflecting a comprehensive approach to energy efficiency. The company prides itself on its customer-centric mission, aiming to lower energy expenses for clients while promoting sustainability through clean energy technologies. With a workforce of around 40 employees, SuperGreen Solutions operates primarily in the United States, serving multiple states and helping homeowners transition to solar energy. Their commitment to quality is underscored by a 25-year production guarantee on their solar products, which enhances their appeal to potential customers. The absence of reported funding suggests a self-sustaining business model, allowing them to focus on their core mission without external financial pressures.

12. Advanced Solar

• Website: advanced.solar
• Ownership type: Private
• Headquarters: Hyattsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 96%, Costa Rica 4%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: advanced-solar-2009

Advanced Solar, founded in 2009 and based in Hyattsville, Maryland, is a private solar energy provider that specializes in renewable energy solutions tailored for residential, commercial, and agricultural customers. The company offers a range of services, including solar panel installations and energy efficiency upgrades, with a particular focus on making solar energy accessible to all, including low-income households. Advanced Solar operates primarily in Washington D.C. and Maryland, where they have established a reputation for quality service and customer satisfaction. Their involvement in the DC Solar For All program underscores their commitment to expanding access to solar energy for low-income residents, providing free solar panel installations and energy efficiency upgrades. This initiative not only supports local job creation but also contributes to broader efforts to combat climate change. With a workforce of 51-200 employees, Advanced Solar is well-positioned to continue its growth in the renewable energy sector.

13. Solar-verse

• Website: solar-verse.com
• Ownership type: Private
• Headquarters: Millersville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: solar-verse

Solar-verse, based in Millersville, Maryland, is a private solar energy provider that specializes in solar panel installation for both residential and commercial clients. Founded in 2017, the company has quickly established itself as a trusted source for renewable energy solutions. Solar-verse offers a range of services, including energy storage products and utility-scale solar projects, aimed at helping customers save on energy costs while promoting sustainable practices. They are affiliated with top local installers, ensuring high-quality products and professional installation. The company is dedicated to customer satisfaction and provides tailored solar solutions to meet individual needs. With a focus on reducing carbon footprints, Solar-verse is actively contributing to the growth of the solar energy sector.

14. American Sentry Solar

• Website: americansentrysolar.com
• Ownership type: Private
• Headquarters: Bel Air, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: american-sentry-solar

American Sentry Solar, based in Bel Air, Maryland, is a private company that specializes in solar panel installation services. Founded in 2009, the company has carved out a niche in the Mid-Atlantic region, particularly serving homeowners in Maryland, Delaware, and Pennsylvania. With a team of certified professionals, American Sentry Solar offers tailored solar energy solutions designed to meet the unique needs of each customer. Their services include a seamless installation process, handling all necessary permits and paperwork, and providing ongoing support to ensure optimal system performance. The company prides itself on using high-quality solar panels and equipment, backed by a 25-year warranty. American Sentry Solar has built a solid reputation through customer testimonials that praise their comprehensive service and effective communication throughout the installation process.

15. Sustainable Energy Systems, LLC

• Website: sustainableenergysystems.net
• Ownership type: Family Owned
• Headquarters: Frederick, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: sustainable-energy-systems-llc

Sustainable Energy Systems, LLC, based in Frederick, Maryland, is a family-owned company that has been operating since 2008. The firm specializes in renewable energy solutions, with a strong emphasis on solar energy systems. They design and install a variety of solar solutions, including grid-tied, battery backup, and off-grid systems, catering to both residential and commercial customers. With a focus on the mid-Atlantic region, Sustainable Energy Systems aims to create a sustainable energy future through efficient and cost-effective installations. The company has successfully completed over 1,000 installations, showcasing their experience and commitment to the solar industry. They prioritize local hiring and support renewable energy employment programs at local universities, reinforcing their dedication to community engagement and sustainable practices.

16. Aurora Energy, Inc.

• Website: aurora-energy.com
• Ownership type: Private
• Headquarters: Columbia, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1994
• Headcount: 11-50
• LinkedIn: aurora-energy-inc.

Aurora Energy, Inc., based in Columbia, Maryland, is a commercial solar energy provider that has been active since 1994. The company specializes in creating custom solar solutions for businesses and organizations, offering a comprehensive suite of services that includes engineering, installation, and ongoing maintenance of solar energy systems. Aurora Energy primarily serves clients in the Mid-Atlantic region, focusing on sectors such as real estate and agriculture. Their portfolio features significant projects, including installations for United Therapeutics, which highlight their capability to deliver innovative solar solutions. With a dedicated team of professionals, Aurora Energy is committed to helping clients achieve their sustainability goals while also reducing energy costs. Their approach emphasizes understanding client needs and providing tailored solutions that align with their operational objectives.

17. Solar Energy Services, Inc.

• Website: solarsaves.net
• Ownership type: Private
• Headquarters: Millersville, Maryland, United States (USA)
• Employee distribution: United States (USA) 87%, Israel 13%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: solar-energy-services-inc.

Solar Energy Services, Inc. is a private solar energy service provider based in Millersville, Maryland. Founded in 2006, the company specializes in the installation and maintenance of solar energy systems for both residential and commercial clients. With a team of approximately 30 employees, they leverage over 40 years of industry experience to deliver tailored solar solutions that help customers reduce energy costs and take advantage of solar incentives. The company operates primarily in the Mid-Atlantic region, focusing on providing comprehensive services that include system design, installation, and ongoing maintenance. Their commitment to sustainability is evident in their mission to maximize the benefits of solar energy while minimizing life cycle costs. Solar Energy Services also prides itself on its customer-centric approach, ensuring that clients receive the support they need throughout their solar journey.

18. Green World Renewable Energy LLC

• Website: greenworld-energy.com
• Ownership type: Private
• Headquarters: Baltimore, Maryland, United States (USA)
• Employee distribution: India 94%, United States (USA) 5%, Other 1%
• Founded year: 2016
• Headcount: 201-500
• LinkedIn: gwre

Green World Renewable Energy LLC, founded in 2016 and based in Baltimore, Maryland, is a private company dedicated to solar energy solutions. The firm offers a range of services including solar proposals, site surveys, and permit design, catering to both residential and commercial customers. With a strong emphasis on reducing energy costs and environmental impact, Green World Renewable Energy aims to facilitate the transition to renewable energy. The company has established a notable presence in the solar industry, claiming to have designed over 1000 MW of solar projects. Their team, primarily based in India, is equipped with expertise in solar design and engineering, ensuring compliance with various local codes and regulations across the United States. The firm is ISO certified, which underscores its commitment to quality and environmental management. Green World Renewable Energy is also a member of the Solar Energy Industries Association, further solidifying its involvement in the solar sector.

19. SolarGaines

• Website: solargaines.com
• Ownership type: Private
• Headquarters: Cockeysville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: solar-gaines-llc

SolarGaines, LLC, based in Cockeysville, Maryland, is a commercial solar construction company that has been operational since 2009. The firm specializes in the planning, installation, and maintenance of solar energy systems, catering primarily to clients in Virginia, Maryland, Washington D.C., Pennsylvania, and Delaware. With a team that boasts decades of experience in construction and finance, SolarGaines is well-equipped to handle large-scale solar projects. Their portfolio includes a variety of installations, from community solar initiatives to commercial projects, showcasing their ability to manage diverse client needs. The company prides itself on using high-quality materials and maintaining a strong focus on customer service, ensuring that projects are completed efficiently and effectively. SolarGaines operates with a self-performing model, which allows them to maintain control over project quality and timelines, further enhancing their reliability in the solar construction market.

Solar Energy Insights: Key Companies in Maryland

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