Pennsylvania is home to a burgeoning renewable energy sector, characterized by a varied mix of companies that harness clean sources like solar, wind, and biogas. These companies range in size from small startups to medium-sized enterprises, each providing distinct services such as installation, project management, and energy consulting. The industry is transitioning towards innovative technologies and sustainable practices, with strong investments supporting growth. As environmental concerns rise, renewable energy's share in the state's energy portfolio continues to expand, reflecting a promising shift towards sustainability and a reduced carbon footprint across various sectors.

The featured companies represent a broad spectrum of renewable energy efforts in Pennsylvania, showcasing a mix of sizes, specializations, and founding years. With headquarters spanning several towns, from Philadelphia to Willow Grove, these businesses focus on solar energy, energy storage, and infrastructure solutions. Companies vary significantly in size, with employee counts from 1 to over 500, reflecting the industry’s dynamic landscape. Together, they illustrate the state’s commitment to fostering clean energy systems that aim to meet growing energy demands responsibly.

Continue reading to discover the top renewable energy companies in Pennsylvania.

Top 21 Renewable Energy Companies in Pennsylvania

1. Community Energy, Inc.

• Website: communityenergyinc.com
• Ownership type: Venture Capital
• Headquarters: Radnor, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Series A, $4.0M, October 2010
• Founded year: 1999
• Headcount: 1-10
• LinkedIn: community-energy-inc

Community Energy, Inc., based in Radnor, Pennsylvania, is a renewable energy developer with a strong focus on solar energy projects. Founded in 1999, the company has carved out a niche in the renewable energy landscape by partnering with utility companies, municipalities, and commercial entities to deliver sustainable energy solutions. Their expertise lies in project development and structuring Power Purchase Agreements (PPAs) that align with the energy needs of their clients. Over the years, Community Energy has been involved in the early development and deployment of solar generation at scale in the U.S. Their recent acquisition by AES Clean Energy in December 2021 further solidifies their position in the market, adding a substantial pipeline of renewable projects. Community Energy's commitment to local communities is evident in their project designs, which prioritize environmental stewardship and community engagement. They have also received funding, with a notable Series A round of $4 million in 2010, which has likely supported their growth and project development efforts.

2. Viridity Energy Solutions Inc.

• Website: viridityenergy.com
• Ownership type: Corporate
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $35.0M, January 2017
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: viridity-energy-inc

Viridity Energy Solutions Inc. specializes in energy storage solutions, particularly in the context of renewable energy integration. Founded in 2008 and based in Philadelphia, Pennsylvania, the company has carved out a niche in the energy market by focusing on innovative technologies that enhance energy efficiency. Their operations are geared towards serving electric utilities and industrial clients, providing them with tools to manage energy more sustainably. In 2017, Viridity was acquired by Ormat Technologies, a company known for its geothermal power and recovered energy generation. This acquisition allowed Viridity to leverage Ormat's extensive experience and resources, further enhancing its capabilities in energy storage. The company has received funding, indicating investor confidence in its business model and growth potential.

3. The Penn Group of Companies

• Website: penngroup.net
• Ownership type: Private
• Headquarters: Bala Cynwyd, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 75%, Canada 25%
• Founded year: 1985
• Headcount: 11-50
• LinkedIn: the-penn-group-of-companies

The Penn Group of Companies, founded in 1985 and based in Bala Cynwyd, Pennsylvania, operates as a private entity specializing in real estate development and renewable energy. The company is engaged in various aspects of real estate investment, development, and management, while also focusing on renewable energy projects, particularly solar farms. Their renewable energy division, Penn Energy Renewables, has developed and currently operates eight utility-scale solar farms, with a total capacity of 100 MW and over 300,000 solar panels installed. These projects span across the U.S. and Canada, producing clean energy for thousands of homes. The company prides itself on integrating sustainable practices into its operations, reflecting a commitment to environmental responsibility alongside its real estate ventures.

4. Energy Power Partners

• Website: energypowerpartners.com
• Ownership type: Private
• Headquarters: Allentown, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 67%, Indonesia 33%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: energy-power-partners

Energy Power Partners (EPP) is a private market fund manager based in Allentown, Pennsylvania, established in 2009. The firm specializes in making long-term equity investments in renewable energy projects across the United States and Canada. EPP's portfolio includes a variety of projects such as biogas, solar, wind, and cogeneration facilities. The company not only invests in these projects but also provides asset management and operational services through its affiliate, EPP Service Company. This operational arm is staffed by professionals with extensive backgrounds in the utility and energy sectors, ensuring effective management of the projects throughout their lifecycle. EPP has successfully acquired multiple renewable energy portfolios, including a notable acquisition of a 90-megawatt renewable energy portfolio consisting of landfill gas-to-energy projects. Their focus on sustainable energy solutions and partnerships with utility companies and corporations highlights their commitment to reducing carbon footprints and promoting renewable energy.

5. E-Finity Distributed Generation, LLC

• Website: e-finity.com
• Ownership type: Private
• Headquarters: Wayne, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2000
• Headcount: 11-50
• LinkedIn: e-finity-distributed-generation-llc

E-Finity Distributed Generation, LLC, founded in 2000 and based in Wayne, Pennsylvania, is an energy solutions provider that specializes in power generation and clean energy technologies. The company offers a range of products and services, including microturbines and combined heat and power (CHP) systems, aimed at businesses and organizations seeking reliable and efficient power solutions. E-Finity is the exclusive distributor for Capstone Turbine, which underscores their commitment to innovative energy technologies. They focus on integrating and maintaining energy systems, ensuring that their clients can achieve sustainability goals while reducing their carbon footprints. With a team of around 20 employees, E-Finity has established a presence in the U.S. and Caribbean markets, maintaining a fleet of over 750 microturbines. Their projects include microgrid solutions and renewable fuel applications, demonstrating their active involvement in the renewable energy sector.

6. Dynamic Energy

• Website: dynamicenergy.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: dynamic-energy

Dynamic Energy, founded in 2006 and based in Philadelphia, Pennsylvania, is a private company specializing in solar energy solutions. They provide a comprehensive suite of services that includes the design, financing, construction, and maintenance of solar energy systems, energy storage solutions, and electric vehicle (EV) charging infrastructure. The company primarily serves commercial, institutional, and utility clients, assisting them in reducing energy costs and meeting sustainability objectives. With a portfolio of over 225 projects, including rooftop and ground-mounted installations, Dynamic Energy has established itself as a reliable partner in the renewable energy sector. Their approach combines technical expertise with financial advisory services, ensuring that clients receive tailored solutions that align with their economic goals. The company also emphasizes safety and operational efficiency in its project execution, further enhancing its reputation in the industry.

7. SunEast Development LLC

• Website: suneastdevelopment.com
• Ownership type: Private
• Headquarters: Malvern, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: November 2012
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: suneastdevelopment

SunEast Development LLC, established in 2012 and based in Malvern, Pennsylvania, is a private solar energy development firm. The company focuses on the management and development of solar projects throughout the eastern United States. SunEast is involved in various stages of solar project development, including site acquisition, permitting, and project engineering. They have successfully managed over 800 MW of solar projects, showcasing their capability in handling projects ranging from 2 MW to 80 MW. SunEast has collaborated with recognized leaders in the renewable energy sector, including investment funds and utility companies, to deliver sustainable energy solutions. Their commitment to clean energy is evident in their strategic focus on core markets that support renewable energy growth.

8. Coral Reef Partners

• Website: coralreefpartners.com
• Ownership type: Private
• Headquarters: Hershey, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 201-500
• LinkedIn: coral-reef-partners-llc

Coral Reef Partners LLC, based in Hershey, Pennsylvania, is a solar energy company that specializes in commercial solar projects. Founded in 2017, the company has quickly established itself in the renewable energy sector by providing comprehensive services that include engineering, procurement, construction, and maintenance. With a team of over 100 trained professionals, Coral Reef Partners has successfully completed more than 300 projects, totaling over 200 MW of installed solar capacity. Their mission is to facilitate the transition to clean energy for a variety of clients, ranging from Fortune 1000 companies to local municipalities and educational institutions. The company emphasizes a personalized approach, ensuring that each project is tailored to meet the specific needs of their clients. Their commitment to sustainability is evident in their community outreach and education efforts, which aim to inspire a shift towards renewable energy solutions. Coral Reef Partners is dedicated to making solar energy accessible and beneficial for all, positioning itself as a significant player in the renewable energy industry.

9. Brilho Solar Ltda

• Website: brilhosolar.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: Brazil 100%
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: brilho-solar-ltda

Brilho Solar Ltda is a solar energy company located in Marabá, Pará, Brazil. Established in 2012, the company specializes in delivering solar energy solutions tailored for both residential and commercial clients. With a workforce of 11 to 50 employees, Brilho Solar aims to assist customers in significantly reducing their energy costs while minimizing their environmental footprint. The company emphasizes the importance of sustainable energy practices and strives to empower its clients to generate their own electricity through solar technology. Their services include energy simulations and budget estimations, making it easier for potential customers to understand the financial benefits of solar energy. Brilho Solar is dedicated to fostering a greener future and has positioned itself as a key player in the local solar energy market.

10. EnerTech Capital

• Website: enertechcapital.com
• Ownership type: Private
• Headquarters: Ambler, Pennsylvania, United States (USA)
• Employee distribution: Canada 58%, United States (USA) 42%
• Latest funding: $10.0M, May 2024
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: enertech-capital

EnerTech Capital, founded in 1996 and based in Ambler, Pennsylvania, is a private venture capital firm that specializes in energy technology investments. With a team of 31 employees, the firm has made 73 investments and managed over $500 million in capital commitments. EnerTech partners with innovators in the energy sector, providing not just capital but also strategic guidance to help develop and implement new technologies. Their investment focus includes areas such as mobility, Industry 4.0, and connected customer solutions, which are crucial for advancing energy efficiency and sustainability. Recently, EnerTech secured $10 million in funding, further solidifying their position in the energy technology space. The firm actively engages with a network of corporate partners and stakeholders, facilitating collaboration and knowledge sharing to drive positive change in the energy industry.

11. Ampliform

• Website: ampliform.com
• Ownership type: Private
• Headquarters: Ardmore, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2022
• Headcount: 11-50
• LinkedIn: ampliform

Ampliform is a renewable energy developer based in Ardmore, Pennsylvania, specializing in utility-scale solar generation and energy storage solutions. Founded in 2022, the company is dedicated to the development, construction, and operation of solar projects across the United States. Ampliform aims to cater to utilities and investors seeking sustainable energy options. The company is backed by a consortium of experienced investors and operators, which enhances its capacity to execute large-scale projects. Ampliform's current project pipeline includes approximately 800 MW of near-term projects slated for construction between 2024 and 2026, with plans to expand its development pipeline to over 15 GW. The team at Ampliform possesses extensive experience in all aspects of energy project development, from site selection and permitting to construction and operations, making them a notable player in the renewable energy sector.

12. Prospect14

• Website: prospect14.com
• Ownership type: Private
• Headquarters: Ardmore, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: glidepath-ventures

Prospect14, based in Ardmore, Pennsylvania, is a private solar energy developer established in 2017. The company specializes in utility-scale and community solar projects throughout North America. They work closely with landowners, offering them opportunities to monetize their land through solar development while retaining ownership for future generations. Prospect14 manages the entire lifecycle of solar projects, from origination to construction, ensuring a streamlined process for their partners. With a team that boasts over 25 years of combined experience in renewable energy, they have successfully developed and financed more than 5GW of solar projects across 19 states. Their approach includes forming joint ventures, such as the recent partnership to develop over 10GW of solar projects by 2025, showcasing their ambition and strategic direction in the renewable energy market.

13. The Efficiency Network

• Website: tensaves.com
• Ownership type: Venture Capital
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 94%, Israel 6%
• Latest funding: $1.5M, March 2016
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: the-efficiency-network-inc-ten-

The Efficiency Network (TEN), founded in 2012 and based in Pittsburgh, Pennsylvania, is a consulting firm that specializes in energy services. With a workforce of 11-50 employees, TEN focuses on delivering solutions in energy efficiency and renewable energy, primarily serving sectors such as education, healthcare, and government. As a subsidiary of Duquesne Light Holdings, Inc., TEN leverages its parent company's resources to finance and implement energy projects. The firm emphasizes customized service delivery, helping clients modernize their infrastructure and achieve sustainability goals. TEN has received funding amounting to nearly $1.5 million, which supports its operations and project initiatives. Their approach integrates innovative technology and engineering expertise, making them a significant player in the energy services industry.

14. Doral Renewables LLC

• Website: doral-llc.com
• Ownership type: Private
• Headquarters: Philadelphia, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $30.0M, April 2025
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: energy-generation

Doral Renewables LLC, based in Philadelphia, Pennsylvania, is a renewable energy developer that specializes in solar energy solutions. Established in 2019, the company has quickly made its mark by collaborating with farmers across the United States to provide sustainable energy options that enhance economic development while preserving agricultural practices. Doral's offerings include solar energy systems, battery storage, and innovative agrivoltaics, which allow for simultaneous agricultural production and solar energy generation. With a project portfolio exceeding 12 GWac and 1.3 GW currently under construction, Doral operates in 20 states and has secured over $2.5 billion in long-term power purchase agreements. The company has raised over $1 billion in capital equity, showcasing its strong financial foundation and commitment to advancing renewable energy solutions. Doral Renewables is not just a developer; it positions itself as a partner to farmers, aiming to create stable income sources while promoting sustainable practices in rural communities.

15. Oriden

• Website: oridenpower.com
• Ownership type: Corporate
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: March 2021
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: oridenpower

Oriden is a renewable energy developer based in Pittsburgh, Pennsylvania, specializing in utility-scale solar and energy storage projects. Founded in 2019, the company aims to facilitate the transition to sustainable energy solutions by offering comprehensive project development services. Oriden works closely with energy consumers, landowners, and local governments to navigate the complexities of renewable energy development. Their team has a proven track record, having developed over 3 gigawatts of renewable energy projects across the United States. Oriden's projects not only provide carbon-free power but also offer cost-competitive alternatives to traditional utility electricity rates. As a venture of Mitsubishi Power Americas, Oriden combines the agility of a startup with the financial backing of a well-established corporation, positioning itself as a significant player in the renewable energy sector.

16. Energy Independent Solutions

• Website: eissolar.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: energy-independent-solutions

Energy Independent Solutions (EIS Solar) is a private solar energy provider based in Pittsburgh, Pennsylvania, established in 2008. The company specializes in the installation of solar panels and battery systems, catering to a wide range of clients, including residential homes, commercial businesses, agricultural operations, and municipal entities. EIS Solar prides itself on delivering high-quality service without the use of subcontractors, ensuring that all installations are handled by their trained and experienced crews. They have completed numerous projects throughout Pittsburgh and the surrounding areas, contributing to local energy independence and cost savings for their clients. Notably, EIS Solar has been involved in significant initiatives, such as the solar microgrid project at Pittsburgh International Airport, which is recognized as a self-powered facility. Their expertise extends to navigating the complexities of solar energy systems, including design, engineering, and compliance with local regulations, making them a trusted partner for those looking to transition to renewable energy solutions.

17. Sun Directed

• Website: sundirected.com
• Ownership type: Family Owned
• Headquarters: College Township, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2008
• Headcount: 1-10
• LinkedIn: sun-directed

Sun Directed, based in College Township, Pennsylvania, is a family-owned solar energy provider founded in 2008. The company specializes in the installation of solar energy systems tailored for residential, commercial, and agricultural clients. With a strong emphasis on sustainability, Sun Directed offers energy storage solutions and electric vehicle charging systems, enabling customers to reduce energy costs and enhance energy independence. They conduct comprehensive energy assessments to ensure that each solar power system is customized to meet the specific needs of their clients. The company has built a solid reputation in Central Pennsylvania, leveraging nearly 50 years of collective experience in solar energy design and installation. Sun Directed is also recognized for its involvement in local initiatives, helping to educate the community about the benefits of solar energy and the importance of reducing carbon footprints.

18. Lifestyle Marketing

• Website: lifestylemarketing.com
• Ownership type: Private
• Headquarters: Pittsburgh, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: direct-marketing-agencies

Lifestyle Marketing, founded in 2017 and based in Pittsburgh, Pennsylvania, is a marketing agency that specializes in renewable energy consulting. With a team of over 60 employees, the company operates across more than 13 states, focusing on enhancing brand visibility for clients in the renewable energy sector. They have developed a strong commitment to educating consumers about clean energy options, addressing the knowledge gap that often hinders the adoption of renewable solutions. Since its launch, Lifestyle Marketing has assisted over 3,000 households in transitioning to renewable energy sources, showcasing their impact in the industry. Their services include direct marketing and consulting, particularly in solar energy and retail energy solutions, reflecting their dedication to promoting sustainable practices and empowering consumers to make informed energy choices.

19. Exact Solar

• Website: exactsolar.com
• Ownership type: Private
• Headquarters: Newtown, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: exact-solar

Exact Solar, based in Newtown, Pennsylvania, is a private solar energy company that specializes in the installation of solar systems for both residential and commercial clients across Pennsylvania, New Jersey, and Delaware. Founded in 2005, the company has successfully completed over 2,000 solar projects, demonstrating its significant presence in the local market. Exact Solar offers a range of services, including solar installations, energy storage solutions, and ongoing support for existing solar systems. Their mission centers on providing clean energy solutions that not only help customers reduce their energy costs but also promote sustainability. The company is recognized for its community engagement, having been named to Philadelphia's Civic 50 for its commitment to environmental advocacy and educational initiatives. Exact Solar also addresses the needs of customers who may feel abandoned by previous installers through its unique Solar Orphan Service®, ensuring that all solar households receive the support they need. This comprehensive service model, combined with their extensive experience, positions Exact Solar as a relevant and active participant in the renewable energy industry.

20. Bright Eye Solar

• Website: brighteyesolar.com
• Ownership type: Private
• Headquarters: Lancaster, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2010
• Headcount: 11-50
• LinkedIn: bright-eye-solar

Bright Eye Solar, founded in 2010 and based in Lancaster, Pennsylvania, is a private solar energy provider dedicated to the installation of solar panels for various sectors, including residential, commercial, and agricultural customers. The company offers a comprehensive suite of services that includes solar battery backups and electric vehicle (EV) charging solutions. Bright Eye Solar aims to help clients reduce their energy costs while promoting sustainable energy practices. With a focus on customer satisfaction, they provide tailored solar solutions that consider individual energy needs and property specifics. Bright Eye Solar operates primarily in Pennsylvania, Maryland, and New Jersey, showcasing their commitment to serving local communities and contributing to the growth of renewable energy in the region.

21. Kupper Engineering

• Website: kupperengineering.com
• Ownership type: Private
• Headquarters: Willow Grove, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: kupper-engineering-inc-

Kupper Engineering, founded in 2004 and based in Willow Grove, Pennsylvania, is a private engineering firm with a workforce of approximately 53 employees. The company specializes in providing comprehensive engineering services, with a notable emphasis on renewable energy solutions. Their portfolio includes a variety of projects in solar, wind, and biogas energy, demonstrating their technical expertise and commitment to sustainable practices. Kupper Engineering has been involved in significant projects, such as the design and delivery of a 20MW solar energy facility and a 12.8MW landfill gas-to-energy project. They also offer services in utilities engineering, systems integration, and commercial and industrial applications, positioning themselves as a versatile partner for businesses seeking to enhance energy efficiency and operational reliability.

Renewable Energy Insights: Key Companies in Pennsylvania

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