Energy efficiency in Virginia focuses on reducing energy consumption and improving sustainability across various sectors. This industry includes firms that provide innovative technologies, engineering services, and consulting tailored to optimize energy use at homes and businesses. As awareness of climate change grows, demand for energy-efficient solutions is increasing. Companies actively pursue initiatives such as smart grid technologies, energy conservation programs, and renewable installations. The industry is evolving towards greater integration of sustainable practices, with significant investments flowing into advanced building management systems and performance monitoring tools, making it a vital part of Virginia's economic and environmental progress.

The energy efficiency companies in Virginia vary in size and specialization, hosting organizations founded between the early 1970s to 2020s. Many operate from notable locations such as Arlington and Reston, reflecting a concentration of expertise in energy management and engineering. With sizes ranging from a few employees to thousands, these companies engage in innovative practices like building automation, energy audits, and consulting services. **GridPoint**, amongst others, emphasizes technological integration, while **Opower** actively shapes energy usage behavior. This dynamic environment showcases a breadth of capabilities aligned with the growing need for sustainability in the region.

Continue reading to explore the top energy efficiency companies in Virginia.

Top 22 Energy Efficiency Companies in Virginia

1. GridPoint

• Website: gridpoint.com
• Ownership type: Venture Capital
• Headquarters: Reston, Virginia, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Latest funding: $45.0M, March 2025
• Founded year: 2003
• Headcount: 201-500
• LinkedIn: gridpoint

GridPoint, founded in 2003 and based in Reston, Virginia, is an energy management company that focuses on innovative solutions for energy efficiency and sustainability. The firm serves a range of clients, including enterprises and government agencies, particularly within the clean technology sector. GridPoint's offerings include building management systems and energy analytics, which are designed to help customers identify inefficiencies and optimize their energy usage. The company has reported substantial achievements, including over $1 billion in energy savings, 13 billion pounds of CO2 emissions avoided, and 7.5 billion kWh of energy reduced. Recently, GridPoint secured $45 million in funding, indicating ongoing investor confidence in their business model and technology. Their platform integrates with existing building assets to provide real-time visibility into energy consumption, enabling facility managers to make informed decisions that enhance operational efficiency and support sustainability initiatives.

2. 2RW Consultants, Inc.

• Website: 2rw.com
• Ownership type: Private
• Headquarters: Charlottesville, Virginia, United States (USA)
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: 2rw-consultants-inc-

2RW Consultants, Inc. is a private consulting firm based in Charlottesville, Virginia, founded in 1985. The company specializes in green building and energy efficiency, providing mechanical, electrical, plumbing, and fire protection (MEP/FP) system designs along with comprehensive energy consulting services. Their primary clientele includes building owners, architects, and developers, all of whom benefit from their expertise in reducing total cost of ownership while enhancing occupant comfort and safety. With a focus on sustainable design, 2RW has worked on numerous notable projects, including renovations and new constructions for educational institutions and public facilities. Their commitment to optimizing energy use is evident in their project portfolio, which spans Central Virginia and the DC Metro Area, showcasing their ability to deliver eco-conscious solutions that align with modern sustainability goals.

3. CEG Solutions LLC

• Website: cegsolutions.com
• Ownership type: Private
• Headquarters: Arlington, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1998
• Headcount: 51-200
• LinkedIn: clark-energy-group

CEG Solutions LLC, based in Arlington, Virginia, is an energy efficiency solutions provider founded in 1998. The company focuses on turnkey design-build projects that enhance sustainability and operational efficiency for a wide range of facilities. CEG serves clients across various sectors, including federal, state, municipal, commercial, healthcare, and industrial. Their services include energy audits, engineering, construction, and ongoing performance monitoring. CEG has successfully completed over $300 million in projects, achieving guaranteed energy savings for their clients. The firm has also received numerous awards from the U.S. Department of Energy and the Association of Energy Engineers, recognizing their excellence and innovation in energy efficiency. With a team of highly skilled professionals, CEG Solutions is committed to delivering impactful energy and water solutions that help clients meet their sustainability goals.

4. The Cadmus Group

• Website: cadmusgroup.com
• Ownership type: Corporate
• Headquarters: Arlington, Virginia, United States (USA)
• Employee distribution: United States (USA) 94%, United Kingdom (UK) 3%, Other 3%
• Latest funding: September 2021
• Founded year: 1983
• Headcount: 1001-5000
• LinkedIn: the-cadmus-group

The Cadmus Group, founded in 1983 and based in Arlington, Virginia, is a consulting firm that provides strategic and technical consultancy services across various sectors, including energy, climate, and public health. With a workforce of over 800 employees, Cadmus assists businesses and organizations in navigating complex challenges and developing effective solutions. Their expertise in energy efficiency is particularly notable, as they work closely with utilities and government agencies to design and implement programs aimed at reducing energy consumption and promoting sustainability. Their services range from evaluation and market research to advanced analytics and organizational change management, all tailored to enhance energy performance. Cadmus has established a strong reputation in the industry, evidenced by their extensive portfolio of case studies and insights that demonstrate their impact on energy efficiency initiatives.

5. Damuth Trane

• Website: damuth.com
• Ownership type: Family Owned
• Headquarters: Chesapeake, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1970
• Headcount: 201-500
• LinkedIn: damuth-trane

Damuth Trane, based in Chesapeake, Virginia, has been a family-owned service provider since its inception in 1970. The company specializes in building management, energy efficiency, and HVAC systems, catering primarily to commercial and industrial clients. With a workforce of over 240 professionals, including certified energy managers and specialized technicians, Damuth Trane offers a comprehensive suite of services. These include energy assessments, predictive and preventative maintenance, and building automation solutions. Their commitment to optimizing building performance is evident in their focus on energy services, which aim to reduce energy consumption and enhance operational efficiency. The company serves various sectors, including healthcare, education, and government, and has established a reputation for reliability and quality service in the Hampton Roads area and beyond.

6. Ght

• Website: ghtltd.com
• Ownership type: Private
• Headquarters: Arlington, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1965
• Headcount: 51-200
• LinkedIn: ght-limited

GHT, based in Arlington, Virginia, is an engineering firm that has been operational since 1965. The company specializes in mechanical, electrical, and plumbing (MEP) systems, providing a range of services that prioritize energy efficiency and sustainability. GHT's offerings include energy-efficient design, building assessments, and sustainability consulting, catering primarily to clients in the real estate and commercial sectors. Their work is instrumental in enhancing building performance and ensuring compliance with energy standards. GHT has a notable portfolio, having contributed to significant projects such as the U.S. Green Building Council Headquarters and Amazon HQ2, both of which emphasize energy efficiency and sustainable practices. The firm is recognized for its commitment to creating high-performance buildings that not only reduce energy consumption but also promote occupant wellness. With a team of experienced professionals, GHT continues to influence the energy efficiency landscape in the Washington, DC metropolitan area and beyond.

7. Tridium

• Website: tridium.com
• Ownership type: Corporate
• Headquarters: Richmond, Virginia, United States (USA)
• Employee distribution: United States (USA) 76%, United Kingdom (UK) 10%, China 4%, Other 9%
• Latest funding: November 2005
• Founded year: 1997
• Headcount: 51-200
• LinkedIn: tridium

Tridium Inc, founded in 1997 and based in Richmond, Virginia, is a technology company that specializes in automation solutions. The company is best known for its Niagara Framework, a comprehensive software platform that integrates various building management systems. This platform allows clients to optimize energy usage and improve operational efficiency across a wide range of applications, including commercial offices, healthcare facilities, and smart cities. Tridium's solutions facilitate the monitoring, control, and automation of systems, enabling organizations to make informed decisions about energy consumption and resource management. With a workforce of approximately 178 employees, Tridium has established a global presence, serving clients in the United States, the United Kingdom, China, and the United Arab Emirates, among others. The company has built a strong community of users and partners who contribute to the continuous improvement of its platform, further solidifying its position in the energy efficiency sector.

8. Opower

• Website: opower.com
• Ownership type: Corporate
• Headquarters: Arlington, Virginia, United States (USA)
• Employee distribution: United States (USA) 79%, Ukraine 21%
• Latest funding: $532.0M, May 2016
• Founded year: 2007
• Headcount: 501-1000
• LinkedIn: opower

Opower, a subsidiary of Oracle, is a technology company based in Arlington, Virginia, founded in 2007. The firm focuses on providing digital engagement solutions tailored for the utilities sector, with a strong emphasis on energy management and customer service. Opower's platform enables utility providers to enhance customer experiences through personalized insights and proactive communication about energy usage. Their solutions include digital self-service tools, energy usage comparisons, and personalized savings recommendations, all designed to encourage energy efficiency among residential and business customers. Opower has successfully partnered with over 150 utilities, helping them meet demand-side management targets and improve customer satisfaction. The company has received significant funding, totaling $532 million, which underscores its potential and relevance in the energy efficiency market.

9. Pearl

• Website: pearlcertification.com
• Ownership type: Venture Capital
• Headquarters: Charlottesville, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $6.7M, June 2024
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: pearlcertification

Pearl Certification, founded in 2015 and based in Charlottesville, Virginia, specializes in certifying energy-efficient and high-performing home features. The company provides essential tools and resources for homeowners, contractors, and real estate professionals, aiming to enhance home value and marketability through energy efficiency. Pearl's certification system captures the value of energy-efficient upgrades, helping homeowners build equity and ensuring that these improvements are recognized during appraisals. The company has developed several digital tools, including the Green Door app, which assists homeowners in managing their home value and accessing rebates for energy-efficient upgrades. Pearl has also received funding, with a notable amount of $6,711,963 reported in June 2024, indicating investor confidence in their mission to improve the U.S. housing market and reduce carbon emissions. Their partnerships with contractors and public entities further solidify their role in promoting residential energy efficiency.

10. The Building People

• Website: thebuildingpeople.com
• Ownership type: Private
• Headquarters: Leesburg, Virginia, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Founded year: 2012
• Headcount: 201-500
• LinkedIn: the-building-people-llc

The Building People, founded in 2012 and based in Leesburg, Virginia, specializes in real estate and facilities management services. With a workforce of approximately 283 employees, the company aims to enhance operational efficiency for its clients, which include building owners and various organizations. Their service portfolio includes energy and sustainability solutions, environmental services, and technology integration, all designed to optimize facility operations. The Building People focuses on creating clean, comfortable, and sustainable environments, managing over 100 million gross square feet of real estate across more than 30 states. Their innovative strategies leverage technology to improve building performance and reduce operational costs, addressing the complex challenges faced by real estate owners and operators. The company has not reported any funding, indicating a self-sustained growth model.

11. C&J Building Solutions

• Website: cjbuildingsolutions.com
• Ownership type: Private
• Headquarters: Richmond, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2021
• Headcount: 1-10
• LinkedIn: c-j-building-solutions

C&J Building Solutions, founded in 2021 and based in Richmond, Virginia, is a private company dedicated to enhancing the efficiency and functionality of commercial buildings. With a team that boasts over 35 years of combined experience in building technology, they provide a range of services including system design, installation, and maintenance of building automation systems. Their expertise lies in integrating advanced technologies for HVAC, lighting, and security, which not only improve energy efficiency but also enhance occupant comfort and safety. The company serves a variety of clients, including commercial property owners and contractors, primarily in the Greater Richmond Area and throughout Virginia. C&J Building Solutions is committed to delivering high-quality solutions that meet the specific needs of their clients, ensuring that buildings are not only profitable but also conducive to a productive environment.

12. Instar Its

• Website: instarna.com
• Ownership type: Private
• Headquarters: Reston, Virginia, United States (USA)
• Employee distribution: Czech Republic 87%, United States (USA) 13%
• Founded year: 1991
• Headcount: 11-50
• LinkedIn: instar-its

Instar Its, based in Reston, Virginia, is a private company founded in 1991 that specializes in energy management software. The company offers the ENERGIS platform, which provides real-time monitoring and control of energy flows, enabling businesses to optimize their energy consumption and reduce costs. With a workforce of around 15 employees, Instar Its has built a reputation over its 25 years of operation, serving various industries such as manufacturing and utilities. The ENERGIS platform has generated over $1.5 billion in energy savings for its clients, showcasing its effectiveness in promoting energy efficiency. The company also adapts its solutions to meet the specific needs of its clients, ensuring that they can achieve significant savings and improve their energy management practices. Instar Its has also ventured into smart city management with its INSTAR H-SMART platform, which has received recognition for its innovative approach to energy efficiency in municipal settings.

13. INTUS Windows

• Website: intuswindows.com
• Ownership type: Private
• Headquarters: Lorton, Virginia, United States (USA)
• Employee distribution: United States (USA) 77%, Lithuania 23%
• Founded year: 2008
• Headcount: 501-1000
• LinkedIn: intus-windows

INTUS Windows, founded in 2008 and based in Lorton, Virginia, is a private company that specializes in energy-efficient window solutions. With a workforce of around 120 employees, the company primarily serves residential developers and commercial builders. INTUS Windows is dedicated to improving the sustainability and energy performance of buildings through its high-quality window products and installation services. Their portfolio includes a variety of projects, such as townhomes, nursing homes, and hotels, demonstrating their active role in the construction industry. The company emphasizes the importance of energy efficiency in its offerings, positioning itself as a key player in the market for energy-efficient building materials.

14. Engineered Services, Inc.

• Website: engineeredservices.com
• Ownership type: Private
• Headquarters: Sterling, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1972
• Headcount: 51-200
• LinkedIn: engineered-services-inc-

Engineered Services, Inc. (ESI), founded in 1972 and based in Sterling, Virginia, is a private company that specializes in building automation systems. With a workforce of approximately 61 employees, ESI has established itself as a contractor focused on HVAC controls, lighting controls, access control, and energy monitoring. The company serves a variety of sectors, including government, healthcare, education, and telecom, providing integrated solutions that enhance operational efficiency and safety. ESI employs factory-trained technicians and offers in-house engineering and programming services, ensuring that they maintain a high standard of quality in their installations. Over the years, ESI has installed more than 1,000 systems, many of which are actively maintained and upgraded by their skilled technicians. Their expertise in energy monitoring and control systems positions them as a relevant player in the energy efficiency sector.

15. Chesapeake Controls, Inc.

• Website: chesapeakecontrols.com
• Ownership type: Family Owned
• Headquarters: Chesapeake, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: chesapeake-controls-inc-

Chesapeake Controls, Inc., based in Chesapeake, Virginia, has been a family-owned business since its founding in 1985. The company specializes in building automation services, particularly focusing on HVAC systems and energy management solutions. They cater to a variety of sectors, including education, healthcare, and government, providing services such as system upgrades, maintenance, and indoor air quality monitoring. Chesapeake Controls is recognized for its commitment to optimizing building operations, which enhances energy efficiency and occupant comfort. Their expertise in integrating modern building automation systems allows clients to achieve energy performance goals while maintaining a healthy indoor environment. The company has received accolades, such as being named ControlTrends' Systems Integrator of the Year in 2019, highlighting their impact in the industry. With a workforce of 51-200 employees, Chesapeake Controls operates primarily in the United States, serving clients across 17 states.

16. Potomac Energy Group, Inc. (PEG)

• Website: pegroup.net
• Ownership type: Private
• Headquarters: Falls Church, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 11-50
• LinkedIn: potomac-energy-group

Potomac Energy Group, Inc. (PEG) is an engineering consulting firm based in Falls Church, Virginia, established in 1979. With a team of 18 employees, PEG specializes in the design of mechanical, electrical, plumbing, and fire protection systems. The firm serves a variety of clients, including educational institutions and commercial entities, focusing on enhancing energy efficiency and ensuring compliance with building standards. Over the years, PEG has contributed to more than a thousand projects, ranging from new constructions to renovations, and has a strong emphasis on energy-conscious designs. Their notable achievements include designing the first Gold LEED office building in Virginia and the first homeless shelter in the U.S. recognized by the Green Building Initiatives. PEG's services include energy analysis, cost analysis, and the design of energy-efficient systems, showcasing their commitment to sustainable practices in the engineering sector.

17. Earth Right Mid-Atlantic

• Website: erepower.com
• Ownership type: Private
• Headquarters: Lynchburg, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: earth-right-mid-atlantic

Earth Right Mid-Atlantic, based in Lynchburg, Virginia, is a private company founded in 2019. With a team of approximately 35 employees, the firm specializes in solar energy solutions and energy efficiency services. They cater to both residential and commercial clients throughout Virginia, offering a range of services that include solar panel installations, energy efficiency upgrades, and home energy assessments. The company is committed to helping clients lower their energy bills and improve their living environments. Notably, Earth Right Mid-Atlantic has established a partnership with local organizations to promote sustainable energy education, further solidifying its role in the community. Their approach combines technical expertise with a focus on customer education, ensuring that clients are well-informed about their energy options. Earth Right Mid-Atlantic is also recognized for its certifications, including being a Class A Virginia Contractor and holding various designations in energy system contracting.

18. Design 1 Group

• Website: d1g.solar
• Ownership type: Private
• Headquarters: Cedar Bluff, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: design1group

Design 1 Group, also known as Design 1 Solar Group, is a private solar energy provider based in Cedar Bluff, Virginia. Founded in 2006, the company specializes in installing solar panels and offering energy conservation services tailored to homeowners. With a workforce of approximately 28 employees, Design 1 Group operates across multiple states in the U.S., including Alabama, Texas, and Virginia. Their business model prioritizes energy conservation, assessing a home's energy usage before recommending solar solutions. This strategy not only aims to lower energy bills for customers but also promotes energy independence. The company has installed over 2,000 solar systems, reflecting their active engagement in the solar energy market. They emphasize customer satisfaction and innovative practices in their installations, which are backed by a 25-year warranty on their solar products.

19. Pepco Energy Services

• Website: pepcoenergy.com
• Ownership type: Private
• Headquarters: Arlington, Virginia, United States (USA)
• Employee distribution: United States (USA) 83%, Pakistan 17%
• Founded year: 1995
• Headcount: 501-1000
• LinkedIn: pepco-energy-services

Pepco Energy Services, based in Arlington, Virginia, operates as a private energy service provider. Founded in 1995, the company specializes in renewable energy solutions, offering clean natural gas, green electrical power, and energy efficiency consulting. Their mission is to assist businesses and organizations in reducing their carbon footprint while achieving cost savings and meeting environmental goals. Pepco Energy Services focuses on creating customized energy action plans that include efficiency recommendations tailored to the specific needs of industrial and commercial facilities. They also engage in educational initiatives to promote renewable energy and energy efficiency practices. With a workforce primarily located in the United States, the company has established itself as a significant player in the energy services industry, dedicated to facilitating the transition to sustainable energy sources.

20. SAI Engineering Incorporated

• Website: saimep.com
• Ownership type: Private
• Headquarters: Woodbridge, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: sai-engineering-incorporated

SAI Engineering Incorporated, founded in 1996 and based in Woodbridge, Virginia, is a private engineering firm that specializes in mechanical, electrical, and plumbing (MEP) design and consulting services. With a team of licensed professional engineers, SAI Engineering serves clients across various sectors, including construction and government. The firm is committed to delivering innovative solutions that ensure project compliance and operational efficiency. Their services extend to energy efficiency, where they provide critical evaluations and certifications such as LEED and Energy Star. SAI Engineering's approach emphasizes collaboration with project participants, ensuring that their engineering solutions not only meet regulatory standards but also contribute to sustainable building practices. The company has maintained a stable presence in the industry, focusing on excellence and innovation since its inception.

21. Novec

• Website: novec.com
• Ownership type: Private
• Headquarters: Manassas, Virginia, United States (USA)
• Employee distribution: United States (USA) 95%, Morocco 3%, Other 3%
• Founded year: 1983
• Headcount: 201-500
• LinkedIn: novec

Novec, or Northern Virginia Electric Cooperative, is a private electric utility company based in Manassas, Virginia. Founded in 1983, it serves a significant customer base across Northern Virginia, providing electricity distribution and a range of related services. The company is dedicated to enhancing energy efficiency and sustainability, offering products such as solar installation and home repair services. Novec also engages in community support initiatives and has developed programs to assist customers in managing their energy use effectively. Their commitment to environmental stewardship is reflected in their renewable energy programs and efforts to promote energy efficiency among their customers. With a workforce of approximately 319 employees, Novec continues to play a vital role in the energy sector of the region.

22. WGL Energy

• Website: wglenergy.com
• Ownership type: Private
• Headquarters: Vienna, Virginia, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $75.0M, August 2018
• Founded year: 1996
• Headcount: 51-200
• LinkedIn: wglenergy

WGL Energy, based in Vienna, Virginia, is a private energy supplier that has been operational since 1996. The company provides a range of energy solutions, including electricity, natural gas, renewable energy, and carbon offsets, catering to residential, small business, and large enterprise customers primarily in the Mid-Atlantic region. With a workforce of approximately 113 employees, WGL Energy focuses on delivering competitive energy solutions while promoting sustainability. They offer services that help customers manage their energy consumption effectively, such as energy audits and energy-saving tips. The company is part of the WGL family of companies, which are indirect subsidiaries of AltaGas Ltd. In 2018, WGL Energy secured $75 million in funding, indicating investor confidence in their business model and growth potential.

Energy Efficiency Insights: Key Companies in Virginia

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