Maryland's renewable energy landscape is a vibrant quilt of innovative companies committed to sustainable practices. The industry includes firms focusing on solar installations, wind energy, and energy efficiency solutions, a response to escalating demand for eco-friendly energy sources. Notable advancements indicate a shift towards technology-driven solutions, such as energy storage and community solar projects, making renewable options more accessible to Maryland’s citizens. Overall, this sector is evolving rapidly, with an increasing number of businesses carving niches that not only contribute to the state’s energy independence but also target carbon reduction goals, promising an exciting future in the clean energy market.

The companies highlighted in this list represent a mix of sizes and specializations. While some, like Vivint Solar, employ thousands, others, such as Sunraycer, comprise small teams. The majority are headquartered in key Maryland locations like Annapolis and Silver Spring. Established between 1999 and 2021, these organizations engage in various renewable solutions—from solar panel sales to energy management consulting—showcasing sustainable technologies tailored for various needs across residential, commercial, and industrial sectors.

Continue reading to learn about Maryland's top renewable energy companies.

Top 23 Renewable Energy Companies in Maryland

1. Eagle Creek Renewable Energy LLC

• Website: eaglecreekre.com
• Ownership type: Corporate
• Headquarters: Bethesda, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2018
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: eagle-creek-renewable-energy-llc

Eagle Creek Renewable Energy LLC, founded in 2010 and headquartered in Bethesda, Maryland, is a corporate entity focused on hydroelectric power generation. The company operates 85 hydroelectric facilities across the United States, with a total capacity of approximately 691 megawatts. These facilities produce nearly 2.7 billion kilowatt-hours of clean electricity annually, significantly contributing to the reduction of carbon emissions. Eagle Creek is committed to environmental stewardship, providing recreational opportunities, and enhancing the communities in which they operate. The company is a wholly-owned subsidiary of Ontario Power Generation, which further solidifies its position in the renewable energy sector. Eagle Creek's mission emphasizes safety, compliance, innovation, and growth, reflecting their strategic approach to expanding their portfolio of renewable energy generating facilities.

2. Competitive Power Ventures

• Website: cpv.com
• Ownership type: Corporate
• Headquarters: Silver Spring, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $648.0M, January 2021
• Founded year: 1999
• Headcount: 51-200
• LinkedIn: competitive-power-ventures-inc.

Competitive Power Ventures (CPV) is an energy company based in Silver Spring, Maryland, specializing in electric power generation and asset management. Founded in 1999, CPV has carved out a niche in the renewable energy sector by focusing on sustainable and reliable energy solutions. The company develops and manages a variety of renewable energy facilities, including solar and wind projects. Their portfolio features notable projects such as the CPV Backbone Solar and CPV Keenan II Wind Farm, among others. CPV's commitment to environmental, social, and governance (ESG) principles is integral to their operations, ensuring that their projects not only meet energy demands but also contribute positively to the communities they serve. In January 2021, CPV secured $648 million in funding, which underscores their capacity to expand and innovate within the renewable energy market.

3. 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, founded in 2011 and based in Beltsville, Maryland, is a prominent solar energy provider that focuses on delivering solar power solutions to residential customers across the United States. The company offers a range of services, including solar panel installations, solar subscriptions, and advanced energy management technologies. Their goal is to help homeowners lower their energy costs while facilitating a transition to renewable energy sources. Vivint Solar has made significant strides in the industry, having installed solar systems in over a million homes. The company has also received substantial funding, totaling $3.2 billion, which underscores its growth potential and commitment to expanding solar access. With a focus on customer satisfaction and innovative financing options, Vivint Solar continues to play a vital role in the renewable energy sector.

4. Sunraycer

• Website: sunraycer.com
• Ownership type: Private
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $475.0M, April 2025
• Founded year: 2021
• Headcount: 1-10
• LinkedIn: crayhill-renewables

Sunraycer, based in Annapolis, Maryland, is a private clean energy solutions provider founded in 2021. The company specializes in delivering renewable energy projects and financial support to developers in the energy sector. With a portfolio of 25 projects, Sunraycer aims to facilitate the transition to clean energy by partnering with industry leaders and landowners. Their services include project finance and operational management, which are crucial for the successful implementation of renewable energy initiatives. Recently, Sunraycer secured $475 million in funding, underscoring its commitment to driving clean energy investments and achieving carbon reduction targets. The company is inspired by the pioneering all-solar vehicles from the mid-1980s, reflecting a legacy of innovation in solar technology.

5. Hasi

• Website: hasi.com
• Ownership type: Private
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Latest funding: $90.5M, June 2016
• Founded year: 1981
• Headcount: 51-200
• LinkedIn: hannon-armstrong

HASI, based in Annapolis, Maryland, is an investment firm dedicated to climate solutions and renewable energy. Founded in 1981, the company manages over $12 billion in assets, focusing on investments that drive energy efficiency, solar and wind energy, and ecological restoration. HASI partners with businesses and organizations to enhance sustainability efforts and reduce carbon emissions. Their portfolio includes a range of projects, such as community solar, grid-connected wind and solar, and energy efficiency improvements. The firm has made substantial investments, including over $660 million in a portfolio of grid-connected wind and solar projects and significant commitments to behind-the-meter solar initiatives. This strategic approach not only aims for attractive financial returns but also seeks to create a positive impact on the environment.

6. 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 company based in Baltimore, Maryland, specializing in renewable energy solutions with a strong emphasis on solar energy. Established in 2022, Sunrock offers a comprehensive suite of services that includes solar project development, financing options, and asset management tailored for various sectors such as healthcare, education, and retail. The company aims to help organizations reduce energy costs while promoting sustainability through solar installations. With a recent funding round of $10 million, Sunrock is positioned to expand its operations and impact in the renewable energy market. Their approach focuses on eliminating financial and logistical barriers for clients, making the transition to solar energy straightforward and beneficial. Sunrock's commitment to enhancing energy efficiency and sustainability reflects the growing demand for renewable energy solutions in today's economy.

7. 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 company specializing in solar energy solutions. Since its inception in 2010, the firm has focused on developing, owning, and operating solar power projects tailored for commercial, governmental, and educational clients. With a dedicated team boasting over 160 years of collective experience in the renewable energy sector, CI Renewables has successfully constructed numerous projects, totaling 200 megawatts across 45 installations. Their services span the entire project lifecycle, including early-stage development, financing, construction, and ongoing asset management. Notably, CI Renewables is pioneering agrivoltaics, integrating solar energy production with agricultural practices to enhance sustainability. Their commitment to reducing long-term energy costs for clients while promoting clean energy solutions underscores their role in the renewable energy industry.

8. Bioenergy Devco

• Website: bioenergydevco.com
• Ownership type: Private Equity
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $30.0M, March 2023
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: bioenergydevco

Bioenergy Devco, founded in 2016 and based in Annapolis, Maryland, specializes in anaerobic digestion technology. The company focuses on converting food waste into renewable natural gas and nutrient-rich soil amendments, catering to municipalities, businesses, and utilities. With a network of over 250 facilities worldwide, Bioenergy Devco is committed to sustainable waste management solutions that help clients meet their environmental targets. The company has recently secured $30 million in funding as of March 2023, reflecting its growth potential and the increasing demand for renewable energy solutions. Bioenergy Devco's operations not only contribute to energy production but also play a crucial role in reducing landfill waste and greenhouse gas emissions, making it a significant player in the renewable energy industry.

9. CQI Associates LLC

• Website: cqiassociates.com
• Ownership type: Family Owned
• Headquarters: Woodstock, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: cqi-associates-llc

CQI Associates LLC, based in Woodstock, Maryland, is a family-owned energy consulting firm established in 1995. The company specializes in energy management and sustainability solutions, providing a range of services that include energy audits, procurement, and LEED certification. Their clientele spans various industries, reflecting their broad market reach. CQI Associates is particularly noted for its expertise in renewable energy assessments and project management, helping clients develop solar, wind, and other renewable energy projects. They also facilitate energy procurement services, allowing businesses to secure competitive rates for electricity and natural gas. With a commitment to improving energy efficiency and reducing operational costs, CQI Associates has worked with both public and private clients, contributing to sustainable practices across multiple sectors.

10. 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 that specializes in the installation of solar panels and related services. Founded in 2002, the company has built a solid reputation in the Mid-Atlantic region, particularly in Maryland, Virginia, Pennsylvania, and Delaware. They offer a range of products, including solar panels, battery backups, and energy efficiency solutions, aimed at helping homeowners and businesses reduce their energy costs and environmental impact. With a focus on high-quality installations and customer satisfaction, Renewable Energy Corporation partners with industry-leading manufacturers like QCELLS to provide efficient and durable solar products. Their team of certified installers has successfully completed hundreds of solar energy systems, contributing significantly to the local renewable energy market. The company also emphasizes the importance of customer education, providing resources and support to help clients navigate the complexities of solar energy adoption.

11. 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 operational since 2004. The company specializes in providing renewable energy solutions, focusing on solar panel and battery storage installations. They cater to both homeowners and businesses, offering project management and financing options tailored to their clients' needs. With a strong presence in the Mid-Atlantic region, Standard Energy Solutions has successfully installed over 5,000 residential solar systems, amounting to more than 50 million watts of solar capacity. Their approach emphasizes high-quality service and the establishment of partnerships within the community. The company operates in six states, including Maryland, Virginia, and New Jersey, and is committed to fostering a clean and sustainable energy future.

12. 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 specializes in the comprehensive development and management of solar projects. Founded in 2013, the company has successfully completed over 250 projects, generating more than 310 megawatts of solar energy across the United States. Their services include project financing, engineering, construction, and operation and maintenance, catering to a variety of clients such as government entities, commercial businesses, and non-profit organizations. New Energy Equity is dedicated to promoting clean energy solutions and has been recognized for its growth and impact in the industry, having received $165.5 million in funding in March 2022. Their commitment to sustainability and energy transformation is reflected in their extensive project portfolio and their proactive approach to partnerships within the solar sector.

13. 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 founded in 2010 that specializes in solar energy solutions for both homeowners and businesses. The company provides a range of services, including residential and commercial solar installations, EV charging stations, and LED lighting solutions. Their mission is to help customers lower their energy expenses while promoting sustainability through the adoption of clean energy technologies. With a workforce of approximately 40 employees, SuperGreen Solutions operates primarily in the United States, with a smaller presence in Australia. They emphasize customer satisfaction and offer a straightforward sales process along with swift installation services. The company has positioned itself as a partner in the green energy movement, helping clients reduce their carbon footprint and achieve energy independence.

14. 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, founded in 2002 and based in Leonardtown, Maryland, is a private company specializing in solar energy solutions. With a team of 18 employees, the company focuses on providing renewable energy services to residential and commercial customers. Their offerings include solar panel installation, battery backup systems, energy analysis, and energy-efficient lighting solutions. Energy Select operates mainly in Southern and Western Maryland, extending its services to parts of Virginia and West Virginia. The company emphasizes sustainability and aims to help clients reduce energy costs while transitioning to cleaner energy sources. As a member of the Amicus Solar Co-Op, Energy Select collaborates with other solar companies to enhance service delivery and community impact. Their commitment to quality and customer satisfaction is evident in their approach to solar energy solutions, making them a relevant player in the renewable energy industry.

15. FESCO Energy

• Website: fescoenergy.com
• Ownership type: Venture Capital
• Headquarters: Frederick, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $11.9M, June 2023
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: fesco-energy

FESCO Energy, founded in 2018 and based in Frederick, Maryland, is an energy solutions provider that focuses on delivering tailored energy services to a variety of sectors, including government, commercial, and industrial clients. The company specializes in energy efficiency, renewable energy, and energy management solutions, helping clients reduce costs while enhancing sustainability. FESCO Energy's business model includes comprehensive energy assessments, design and build services, and innovative energy-as-a-service offerings. They are particularly involved in solar energy projects and distributed generation systems, which allow clients to harness renewable resources effectively. With a recent funding round of $11.9 million in June 2023, FESCO Energy is positioned to expand its impact in the renewable energy market, demonstrating a commitment to advancing clean energy solutions and improving energy security for its clients.

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 specializes in creating tailored solar solutions for businesses and organizations. Founded in 1994, the company has built a reputation for its expertise in engineering, installation, and maintenance of solar energy systems. Aurora Energy aims to assist clients in achieving their sustainability goals while reducing energy costs. Their operations primarily cover the Mid-Atlantic region, where they serve a variety of sectors, including real estate and agriculture. The company has successfully completed numerous projects, including installations for notable clients like United Therapeutics and various hotels. Aurora Energy's commitment to customer satisfaction and innovative design positions them as a significant player in the commercial solar market.

17. C&C Wind Energy Services

• Website: candcwind.com
• Ownership type: Family Owned
• Headquarters: Dundalk, Maryland, United States (USA)
• Employee distribution: Canada 66%, United States (USA) 34%
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: c-c-wind-energy-services

C&C Wind Energy Services, founded in 2016 and based in Dundalk, Maryland, is a family-owned company that specializes in wind energy services. With a workforce of 32 employees, the company operates primarily in Canada and the USA, providing essential services such as installation, maintenance, and consulting for wind turbine projects. Their offerings include blade services, technical field advice, and safety personnel, all aimed at ensuring the efficiency and reliability of wind energy systems. C&C Wind is committed to supporting the renewable energy sector by enhancing the operational performance of wind turbines and contributing to a greener future. Their focus on quality, safety, and customer satisfaction underscores their role in the renewable energy industry.

18. 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 that has been operational since 2009. The company focuses on the installation of solar panels and battery systems, catering to both residential and commercial customers. With a workforce of approximately 338 employees, Solar Energy World aims to assist clients in reducing their energy expenses while promoting sustainability through renewable energy solutions. Their service portfolio includes a thorough installation process, which is complemented by ongoing monitoring services to ensure optimal performance of solar systems. The company operates primarily in the Mid-Atlantic region, including states like Maryland, Virginia, Pennsylvania, and Florida, and emphasizes the importance of local solar incentives and regulations in their offerings. Solar Energy World has positioned itself as a significant player in the solar installation market, being recognized as the sixth largest residential solar installer in the nation, reflecting their impact and relevance in the renewable energy industry.

19. 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, based in Dundalk, Maryland, is a family-owned company specializing in solar energy and electrical services. Founded in 2013, the company has established itself as a trusted contractor for complex solar projects in the Baltimore area. Power Factor focuses on the installation of solar panels for both residential and commercial clients, helping them achieve their energy efficiency goals while reducing costs. The company has completed over 1,800 residential installations and has deployed more than 35 megawatts of solar energy systems both domestically and internationally. Their team is composed of experienced, certified technicians who are dedicated to providing high-quality service. Power Factor also offers financing solutions to make solar energy more accessible, further supporting their mission to promote renewable energy adoption.

20. Neighborhood Sun

• Website: neighborhoodsun.solar
• Ownership type: Venture Capital
• Headquarters: Silver Spring, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Seed, $1.5M, December 2022
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: neighborhood-sun

Neighborhood Sun, founded in 2016 and based in Silver Spring, Maryland, is a community solar service provider dedicated to making renewable energy accessible to all. The company allows individuals and households to subscribe to local solar farms, enabling them to benefit from clean energy without the need for rooftop installations. This model is particularly beneficial for renters and those with unsuitable roofs for solar panels. Neighborhood Sun has successfully saved its subscribers over $6 million on electricity costs while generating significant amounts of clean energy. The company operates in several states, including Maryland, Colorado, New York, and New Jersey, and has received $1.5 million in seed funding as of December 2022. As a Certified B Corporation, Neighborhood Sun is committed to using business as a force for good, focusing on community empowerment and environmental sustainability.

21. Hull Street Energy, LLC

• Website: hullstreetenergy.com
• Ownership type: Private
• Headquarters: Bethesda, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: hull-street-capital

Hull Street Energy, LLC is a private equity firm based in Bethesda, Maryland, founded in 2014. The firm specializes in deploying capital into the energy sector, with a strong emphasis on power generation and energy storage. Hull Street Energy partners with middle market power companies to help them transition to sustainable energy solutions. Their team boasts extensive experience in electricity infrastructure and grid operations, which they leverage to make informed investment decisions. The firm has a portfolio that includes investments in hydroelectric power, solar energy, and energy storage technologies, showcasing their commitment to supporting the decarbonization of the energy sector. Hull Street Energy's strategic approach combines financial acumen with technical expertise, allowing them to navigate complex energy transactions effectively. They are actively involved in the acquisition and management of energy assets, contributing to the growth of renewable energy in North America.

22. 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 has been operational since 2017. The company specializes in solar panel installation for residential and commercial clients, aiming to help customers save on energy costs while promoting renewable energy solutions. Solar-verse offers a range of services, including energy storage products and utility-scale solar projects. They are affiliated with local installers to ensure high-quality products and professional installation. With a team of 11-50 employees, Solar-verse is dedicated to customer satisfaction and provides a comprehensive approach to solar energy, from initial consultations to installation and support. Their commitment to reducing carbon footprints and enhancing energy efficiency reflects their active role in the renewable energy industry.

23. 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 a private energy solutions provider founded in 2006. The company specializes in solar energy and HVAC services, offering a comprehensive range of products and services aimed at enhancing energy efficiency for both residential and commercial clients. Their offerings include solar panel installation, energy audits, and various home improvement services designed to reduce energy costs and promote the use of renewable energy sources. With a focus on the DMV area, EDGE Energy has successfully completed over 5,000 projects, showcasing their commitment to customer satisfaction and environmental sustainability. The company has been recognized as a six-time ENERGY STAR® Contractor of the Year, highlighting their expertise and reliability in the renewable energy sector. Their approach to whole-home electrification and energy efficiency positions them as a significant player in the transition to cleaner energy solutions.

Renewable Energy Insights: Key Companies in Maryland

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