The energy efficiency industry in Maryland comprises several companies providing a range of innovative and sustainable solutions. These businesses operate in various market segments, including solar power generation, integrated energy solutions, and energy audit services. They help both residential and commercial customers transition to renewable energy, improve energy consumption, and reduce utility costs. In the context of increasing environmental awareness and favourable government initiatives, the sector is poised for significant growth.,


Top 22 energy efficiency companies in Maryland

1. Direct Energy Solar

Centrica Business Solutions is a company that specializes in building grid-scale solar farms and battery storage to support the UK's energy transition. They offer integrated energy solutions, onsite energy generation, and combined heat and power. They serve various industries such as public sector, healthcare, education, central government, and commercial real estate.


2. Solar Energy World

Solar Energy World is a leading solar panel installation company that offers custom designed and built solar systems. They specialize in helping customers switch to clean and green solar energy, reducing utility costs by up to 100%. With a focus on financial and environmental security, Solar Energy World is dedicated to fostering a sustainable future.


3. Smeco

  • Website: smeco.coop
  • Headquarters: Hughesville, Maryland, United States
  • Founded: 1937
  • Headcount: 201-500
  • LinkedIn

SMECO.coop is a customer service-oriented company that offers energy-related tools, services, and resources to residential and commercial customers in Southern Maryland. They provide carbon savings calculators, energy monitoring kits, home energy reports, and online energy audits to help customers save energy and reduce their utility bills.


4. Lumina Solar

Lumina Solar is a company dedicated to providing sustainable and customer-centric solar energy solutions. With a team of experienced professionals, Lumina offers solar panel installation for homeowners and businesses, helping them save money and contribute to a cleaner environment.


5. Envocore

  • Website: envocore.com
  • Headquarters: Gambrills, Maryland, United States
  • Founded: 1993
  • Headcount: 201-500
  • Latest funding type: Series Unknown
  • LinkedIn

Envocore offers unmatched project design and execution services in the utility smart metering industry. With a team of experienced professionals, they provide professional installation and management, water meter testing and surveys, data analysis, and preliminary system analysis. Their expertise and commitment to safety have led to successful completion of over 3,400 projects, saving customers over $2.5 billion. Envocore serves a wide range of industries including ESCOs, federal government, state and local government, healthcare, correctional facilities, higher education, and utilities.


6. Energetics

Energetics is a clean energy consulting company that works with leading change agents to develop and implement energy resilience, equity, and sustainability solutions across various sectors. They support research portfolios and strategies for industrial technologies and energy management systems, aimed at achieving a secure and carbon-neutral economy.


7. Hannon Armstrong

  • Website: hannonarmstrong.com
  • Headquarters: Annapolis, Maryland, United States
  • Founded: 1981
  • Headcount: 51-200
  • Latest funding type: Ipo
  • LinkedIn

Hannon Armstrong is an investment company that specializes in climate solutions. They provide capital to leading companies in the energy efficiency, renewable energy, and sustainable infrastructure markets. Their goal is to generate attractive returns from projects that reduce carbon emissions and increase resilience to climate change.


8. CPower Energy Management

CPower is a company that helps energy users conserve power during peak demand periods. They work with more than 17,000 sites across the U.S. and offer solutions such as demand response, energy efficiency, distributed generation, and energy storage.


9. Green World Renewable Energy LLC

Green World Renewable Energy is a leading firm in the field of sustainable and green technologies. They provide services that create a green and clean environment, including solar permit design, solar site survey, and stamping service. Their solutions help reduce operation and maintenance costs for communities and businesses, and they strive to encourage sustainable growth and a green economy.


10. SuperGreen Solutions

SuperGreen Solutions is a company that offers a wide range of green technology solutions for sustainable living. They provide comprehensive support and guidance to help customers find the right combination of technologies for their homes or businesses.


11. Standard Energy Solutions

Standard Energy Solutions is a top solar installation company in the Mid-Atlantic region, serving 6 states. We offer solar panels that absorb sunlight and convert it into energy for homes, helping customers save money. Our process is simple and efficient, with project management and weekly status updates. As a Premier Partner, you gain access to our proprietary installation system and industry-leading financing options. We prioritize fast installation and provide comprehensive warranties. Partner with us for a sustainable and secure energy future.


12. EZ Green Home

EZ Green Home is an energy efficiency company that provides measurable results. They offer services such as quick home energy check-ups, home energy upgrades, and residential energy audits.


13. SolarGaines

Solar Gaines is a commercial solar construction company based in Baltimore, MD. With decades of experience, we specialize in planning, installing, and maintaining large-scale solar systems across the Mid-Atlantic region. Our dedicated team of professionals guides clients from design to implementation, ensuring high-quality materials and efficient project management. We maximize our clients' investment by getting their solar systems up and running quickly. Join us to take your career to the next level in the growing renewable energy industry.


14. Advanced Information System, INC.

Theais Inc is a company that specializes in the production of solar-powered street lights and other lighting solutions. They offer various types of solar lighting products for both residential and commercial use.


15. Elk Run Vineyards Inc

  • Website: elkrun.com
  • Headquarters: Mount Airy, Maryland, United States
  • Founded: 1979
  • Headcount: 11-50
  • LinkedIn

Elkrun offers a range of business solutions and services to help companies improve their sustainability and energy usage.


16. greeNEWit

  • Website: greenewit.com
  • Headquarters: Columbia, Maryland, United States
  • Founded: 2008
  • Headcount: 11-50
  • LinkedIn

greeNEWit helps individuals and businesses save energy and money through energy efficiency solutions and renewable energy options like solar power. The company provides services such as quick energy check-ups, energy audits and retrofit project management.


17. Engineered Systems and Products

ESP Controls offers innovative software and hardware solutions for building automation and energy management.


18. ClimateCare HVAC Services, LLC.

ClimateCare provides businesses with innovative solutions to help mitigate climate change. We help companies achieve their sustainability goals, reduce their carbon footprint and make a positive environmental impact.


19. Rave Energy

  • Website: raveenergy.net
  • Headquarters: College Park, Maryland, United States
  • Founded: 2019
  • Headcount: 11-50
  • LinkedIn

Rave Energy is a company that offers sustainable energy solutions to residential, commercial, and industrial customers.


20. CeLight

  • Website: celight.com
  • Headquarters: Silver Spring, Maryland, United States
  • Founded: 1999
  • Headcount: 11-50
  • Latest funding type: Series B
  • LinkedIn

CeLight is a technology company that develops and manufactures reliable, efficient, and cost-effective LED lighting products to customers worldwide.


21. EDGE Energy

Edge Go Green is a company that provides sustainable solutions for businesses and individuals. They offer a wide range of eco-friendly products and services to help reduce carbon footprint and promote environmental responsibility.


22. EVI: Electric Vehicle Institute

EV Institute (EVI) offers products, services and information for the adoption and sustainability of electric vehicles (EV) in order to reduce environmental impact and cost. They specialize in providing innovative energy systems for electric transportation.


Want to find more energy efficiency companies?


If you want to find more companies that provide solutions like solar energy, integrated power systems, and energy audit services you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!