In the state of Massachusetts, a number of companies are pioneering the adoption of geothermal energy. This industry is rising in prominence due to the shift towards renewable, clean, and sustainable energy solutions. The offered technologies range from deep-earth drilling for heat extraction, to efficient thermal energy distribution and effective use of surface areas for collection. The industry is seeing innovative advancements, pushing it towards a future where renewable energy could feasibly become the norm. Many of these companies focus on solutions that minimize carbon footprints and promote energy independence.


Top 19 geothermal energy companies in Massachusetts

1. Quaise Energy

  • Website: quaise.energy
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2018
  • Headcount: 11-50
  • Latest funding type: Series A
  • LinkedIn

Quaise Energy is an innovative company developing a radical approach to accessing geothermal energy. They aim to unlock the largest untapped energy source on the planet by drilling deeper, hotter, and faster than ever before. Their technology utilizes high-power millimeter waves to reach unprecedented depths and harness the abundant and powerful clean energy found in the Earth's core. With a focus on sustainability and energy independence, Quaise Energy offers a path to a truly equitable, clean energy future.


2. Vicinity Energy

Vicinity Energy is an innovative and sustainable company that provides district energy solutions. They specialize in managing energy infrastructure, offering safer and more efficient thermal energy production and distribution through underground pipes. Their services eliminate the need for onsite combustion, reducing carbon impact and providing heating and cooling services.


3. Sustainable Energy Management Group, LLC

Sustainable Energy Management Group LLC offers various sustainable energy programs including rooftop, parking lot, land, and farm programs, assessments, and energy monitoring and management to help reduce energy costs and carbon footprint. They promote decentralized power as a more efficient and trustworthy energy solution for businesses and households.


4. City of Somerville

SomervilleMA.gov offers an electricity aggregation program for all of Somerville, providing stable rates and an increased amount of renewable electricity above state law.


5. Econox Group Inc

ECONOX GROUP INC is focused on providing a complete range of sustainable renewable energy solutions which include turnkey installations, integrated financing and consulting services. Our experienced renewable energy team provides single-source development, finance and installation of renewable energy facilities customized to meet your needs. We work directly with leading manufacturers to design and build the most cost-efficient sustainable energy solution.


6. Free Flow Power

  • Website: free-flow-power.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2007
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

Free-Flow-Power provides clean renewable energy solutions to legal professionals, helping them reduce emissions and save money in the long run.


7. Enel North America

Enel North America is an energy company that offers sustainable and clean electricity solutions. They provide integrated energy solutions and partnerships to support a transition to a carbon-free future.


8. Pristine Engineers, Inc.

Pristine Engineers, Inc. is an award-winning MBE and DBE certified MEP & FP engineering company providing HVAC, Electrical, Plumbing, Fire Protection, Fire Alarm, and Geothermal Systems Engineering Services for a diverse range of public and private building clients.


9. Acelerex

  • Website: acelerex.com
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2017
  • Headcount: 11-50
  • LinkedIn

Acelerex is a provider of SaaS-based solutions for integrating renewables, energy storage, and electric vehicles into the 21st-century power grid. They offer consulting, automation, analytics, appliances, data services, and testing/training services to developers, governments, utilities, EV charging players, resiliency solutions providers, and infrastructure investors.


10. New England Geothermal Professional Association

  • Website: negpa.org
  • Headquarters: Medfield, Massachusetts, United States
  • Founded: 2010
  • Headcount: 51-200
  • LinkedIn

NEGPA is the New England Geothermal Professional Association promoting the use of ground source heating and cooling in Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island.


11. ADL Ventures

  • Website: adlventures.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2016
  • Headcount: 11-50
  • Latest funding type: Grant
  • LinkedIn

ADL Ventures is a company that is focused on rewriting the rules of engagement among new ventures, legacy organizations, and governments. They provide outcomes, not just reports, and offer innovative thinking paired with startup expertise. ADL Ventures specializes in industries such as energy and utilities, buildings and construction, and clean transportation, and they prioritize problem-solving and monetizing innovation.


12. EnergySage

  • Website: energysage.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2009
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

EnergySage is a platform that helps homeowners and businesses make smart energy decisions. They provide information and resources on solar panels, energy efficiency, electric vehicles, and other clean energy options. By connecting users with qualified local companies, EnergySage enables them to save money and reduce their environmental impact.


13. Glacial Energy

GlacialEnergy.com is a neutral service company that buys energy from providers with competitive pricing, flexible terms, and efficient customer support.


14. BlueWave

  • Website: bluewave.energy
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2010
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

BlueWave is a certified B Corp leader in the clean energy movement, committed to protecting the planet and transforming access to renewable energy. They offer simple and powerful solutions for solar development and energy storage, helping communities make their energy profile more resilient and reliable.


15. Ogin, Inc.

  • Website: oginenergy.com
  • Headquarters: Waltham, Massachusetts, United States
  • Founded: 2007
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

Ogin is a company dedicated to reshaping energy by providing affordable and clean energy solutions to a wide range of customers. They utilize revolutionary technology and design and construct turbines that are both efficient and environmentally friendly.


16. Denham Capital Management

Denham Capital is a global energy transition investment firm focused on investing in and supplying the critical components of the green economy. They invest in metals and minerals, infrastructure, and clean energy generation assets needed for the evolving green economy, while meeting rigorous ESG criteria.


17. Advent Technologies Holdings, Inc.

  • Website: advent.energy
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2006
  • Headcount: 51-200
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Advent is a clean energy company specializing in fuel cell technology. They offer complete fuel cell systems that are low-cost, fuel-flexible, and resilient. Advent's fuel cells can convert hydrogen and other renewable fuels to electricity, making them ideal for power generation in various industries. With a world-class team of material scientists and electrochemists, Advent focuses on addressing clean energy challenges and decarbonizing the world.


18. Aegis Energy, EDF Group

  • Website: aegischp.com
  • Headquarters: Holyoke, Massachusetts, United States
  • Founded: 1985
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Aegis is a company that specializes in energy efficiency solutions and offers cogeneration systems for heat and power generation. They prioritize the health and safety of their customers, employees, and service providers. With over 1,000 installations since 1985, Aegis helps clients save on energy costs and reduce emissions. They provide comprehensive building energy solutions for commercial, industrial, and institutional customers.


19. International District Energy Association

International District Energy Association is an industry association based in Paris, France. They offer resources, webinars, white papers, and insights and innovations to advance district energy and support its professionals worldwide.


Want to find more geothermal energy companies?


If you want to find more companies that offer a range of energy solutions, from deep drilling to efficient thermal distribution you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


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...and a lot more!