The electric power industry in Massachusetts comprises a diverse set of companies offering sustainable energy solutions to businesses, municipalities, and residents. Incorporating clean electricity innovations, organizations like Enel North America and Solectria Renewables provide customers with sustainable and efficient ways to power their homes, businesses, and more. This includes initiatives such as solar power solutions, power purchase agreements and sustainable energy systems that work towards the common goal of a carbon-free future. As the state's commitment to renewable energy continues to strengthen, these power companies are well-positioned to fuel the state's push towards sustainable power and clean growth.


Top 22 electric power companies in Massachusetts

1. 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.


2. Nexamp

  • Website: nexamp.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2007
  • Headcount: 201-500
  • Latest funding type: Private Equity
  • LinkedIn

Nexamp is a clean energy company that offers solar power solutions to help businesses and communities reduce their electricity costs and embrace sustainable energy. They provide power purchase agreements and help with the development and maintenance of solar farms. By supporting solar energy, customers can save 10-20% on their annual electricity costs.


3. Yaskawa Solectria Solar

  • Website: solectria.com
  • Headquarters: Lawrence, Massachusetts, United States
  • Founded: 1915
  • Headcount: 201-500
  • LinkedIn

Solectria Renewables is a company that specializes in renewable energy solutions. They offer a range of inverters and power electronics for solar energy systems. With a focus on sustainability and efficiency, Solectria Renewables delivers high-quality products that help customers harness the power of the sun.


4. Boundless, Inc.

Boundless Inc. is a residential solar company that offers solar panel installation services. They help homeowners upgrade to solar power, providing savings on electricity bills and increasing home value. With expertise in solar energy and a commitment to the environment, Boundless Inc. aims to make solar energy accessible and affordable for homeowners across the country.


5. Ambri

  • Website: ambri.com
  • Headquarters: Marlborough, Massachusetts, United States
  • Founded: 2010
  • Headcount: 51-200
  • Latest funding type: Series E
  • LinkedIn

Ambri is a company that specializes in providing low-cost, long life, long duration, and minimal degradation energy storage solutions for carbon-free energy across each 24-hour day. Their Ambri battery systems offer consistent and responsive electrical power for transmission and distribution grid applications, as well as behind-the-meter customers with high energy demands such as data centers. With a lifespan of 20+ years and minimal fade, Ambri systems are reliable, safe, and environmentally friendly.


6. Massachusetts Municipal Wholesale Electric Company (MMWEC)

  • Website: mmwec.org
  • Headquarters: Ludlow, Massachusetts, United States
  • Founded: 1969
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

MMWEC is the leading provider of public power services in Massachusetts. They offer a wide scope of wholesale market solutions, managing municipal utility interests in the wholesale power market. They also focus on renewable resources and energy efficiency. MMWEC supports safety programs and provides scholarships to students. They are committed to decarbonization and electrification, aiming for net zero carbon emissions by 2050.


7. American Electrical Testing Co.

  • Website: aetco.us
  • Headquarters: Foxboro, Massachusetts, United States
  • Founded: 1981
  • Headcount: 51-200
  • LinkedIn

AET Testing & Commissioning specializes in electrical testing and engineering services, offering a wide range of capabilities to the renewable energy markets as well as utilities for their protection and control projects. They are known for their quality service, competitive prices, and expertise in large T&D and Generation acceptance testing and commissioning projects.


8. ControlPoint Technologies, Inc.

  • Website: cpteng.com
  • Headquarters: Rockland, Massachusetts, United States
  • Founded: 1999
  • Headcount: 51-200
  • LinkedIn

ControlPoint Technologies is a company specializing in renewable energy studies, grid modernization, microgrids, distribution planning, transmission planning, power system studies, and substation engineering.


9. Ashburnham Municipal Light Plant

  • Website: amlp.org
  • Headquarters: Ashburnham, Massachusetts, United States
  • Founded: 1908
  • Headcount: 11-50
  • LinkedIn

Ashburnham Municipal Light Plant is a consumer-owned electric utility company in Ashburnham, MA.


10. NSTAR, now Eversource Energy- Follow our new company page, Eversource Energy

  • Website: eversource.com
  • Headquarters: Westwood, Massachusetts, United States
  • Founded: 1966
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Eversource is the largest energy delivery company in New England, dedicated to serving customers and powering communities. Their employees collaborate to fulfill their mission of providing essential power to customers. They have been recognized by the National Organization on Disability for their commitment to disability inclusion. Eversource offers a wide range of career opportunities and values equal employment opportunities and workplace diversity.


11. Reading Municipal Light Department

  • Website: rmld.com
  • Headquarters: Reading, Massachusetts, United States
  • Founded: 1894
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

RMLD (Reading Municipal Light Dept) is an energy utility company that provides electricity and energy efficiency programs to residential and business customers. They offer services such as managing accounts, bill payment, energy assessments, rebates, and online energy efficiency store. RMLD aims to help customers save energy and money through their programs and initiatives.


12. Dalkia Energy Solutions

Dalkia Solutions is a US-based building energy efficiency business, providing a comprehensive range of energy services to commercial and industrial companies nationwide. With expertise in energy management, the company helps enterprises reduce energy consumption, improve environmental performance, and achieve positive business outcomes.


13. Maverick Corporation

Maverick Corporation is a full-service power and communications network infrastructure Engineering, Procurement and Construction company. We provide innovative utility infrastructure.


14. Peabody Municipal Light Plant

  • Website: pmlp.com
  • Headquarters: Peabody, Massachusetts, United States
  • Founded: 1891
  • Headcount: 51-200
  • LinkedIn

Peabody Municipal Light Plant (PMLP) is a not-for-profit electric utility that provides safe and reliable electricity to the citizens of Peabody, MA. PMLP offers high-quality service at the lowest possible rates.


15. Chicopee Electric Light Dept

  • Website: celd.com
  • Headquarters: Chicopee, Massachusetts, United States
  • Founded: 1896
  • Headcount: 51-200
  • LinkedIn

Chicopee Electric Light (CEL) is a public utility company established in 1896, serving the Chicopee community. They provide reliable and up-to-date electric services, keeping rates low and response times fast. CEL offers various programs, including the Electric Vehicle Charger Program and residential energy efficiency audits. They also manage Crossroads Fiber, a state-of-the-art fiber network for fast and reliable internet service. CEL prioritizes customer satisfaction and community support.


16. SunBug Solar

  • Website: sunbugsolar.com
  • Headquarters: Arlington, Massachusetts, United States
  • Founded: 2009
  • Headcount: 51-200
  • LinkedIn

SunBug Solar is a full-service local solar energy company offering consultation, system design, financing options, and turnkey installations. They have designed and installed over 2400 solar systems in Massachusetts, ranging from residential to commercial and carports to ground-mounts. With a focus on customer service and quality, SunBug Solar is a trusted provider in the industry.


17. Phoenix Electric Corp.

Phoenix Electric Corp. is a company that specializes in providing customized power control products to the North American power industry. With almost 50 years of experience, they design and manufacture high-quality, long-lasting products for the transmission and distribution industry. Their offerings include custom engineered controls, specialty switchgear, custom retrofits, and air core reactors.


18. Solstice

  • Website: solstice.us
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2014
  • Headcount: 11-50
  • Latest funding type: Acquired
  • LinkedIn

Solstice Platform is a company that focuses on community solar and aims to make renewable energy accessible to all.


19. Cape Light Compact

Cape Light Compact is a company that offers energy efficiency solutions for residential and business customers. They provide assessments, incentives, and financing options to help customers save energy and reduce costs.


20. DemandQ

  • Website: demandq.com
  • Headquarters: Watertown, Massachusetts, United States
  • Founded: 2011
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

demandq.com is a company that offers an Intelligent Demand Optimization platform to enable more efficient and intelligent power consumption for commercial and industrial businesses.


21. Daymark Energy Advisors

  • Website: daymarkea.com
  • Headquarters: Worcester, Massachusetts, United States
  • Founded: 1980
  • Headcount: 11-50
  • LinkedIn

Daymark Energy Advisors is a team of consultants, economists, and engineers that provides advisory and analytical solutions in the energy infrastructure, regulation, and markets. They help a diverse set of clients solve industry challenges.


22. Hampshire Power

Hampshire Power is a company that offers a comprehensive range of energy services, including retail power procurement, large-scale solar and battery storage systems, and community energy solutions. Their expertise in design, financing, construction, and operations drives expansion into new markets.


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