The energy storage sector in Massachusetts comprises a diverse range of companies offering cutting-edge products and services. These companies focus on providing reliable solutions, such as battery technology and systems, that store energy for use in different industries. From valve-regulated lead acid (VRLA) batteries to lithium iron phosphate (LFP), these entities cater to multiple sectors including data centers, grid, microgrid, telecom applications, and more. As the demand for renewable sources increases, numerous companies are taking revolutionary steps to develop cost-effective, multi-day energy storage systems. Such innovations are expected to rejuvenate the electric grid and drive the industry towards a sustainable future.


Top 21 energy storage companies in Massachusetts

1. MPINarada

  • Website: mpinarada.com
  • Headquarters: Newton, Massachusetts, United States
  • Founded: 1995
  • Headcount: 1001-5000
  • LinkedIn

MPINarada is a reliable battery solutions company that specializes in providing valve-regulated lead acid (VRLA) and lithium iron phosphate (LFP) battery solutions for various industries. With over 25 years of industry knowledge and global energy storage deployments, they offer flexible and customized energy storage solutions for data centers, colocation, edge, battery energy storage solutions (BESS), grid, microgrid, C&I, and telecom applications.


2. Form Energy

  • Website: formenergy.com
  • Headquarters: Somerville, Massachusetts, United States
  • Founded: 2017
  • Headcount: 201-500
  • Latest funding type: Grant
  • LinkedIn

Form Energy is developing a new class of cost-effective, multi-day energy storage systems that will enable a reliable and fully-renewable electric grid year-round. Our pioneering battery technology will entirely reshape the global electric system and give it new form. Learn more about Form Energy at www.formenergy.com. We’re always looking for outstanding people to join our team. If you’re interested, please visit www.formenergy.com/careers.


3. Boston-Power

  • Website: boston-power.com
  • Headquarters: Westborough, Massachusetts, United States
  • Founded: 2005
  • Headcount: 501-1000
  • Latest funding type: Debt Financing
  • LinkedIn

Boston Power is a company that specializes in battery technologies and solutions. They offer innovative and high-performance battery products for various industries.


4. 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.


5. 24M Technologies

  • Website: 24-m.com
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2010
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

24M is a company that is revolutionizing the lithium-ion cell manufacturing process and platform. They provide a simpler, more reliable, and safer manufacturing process that accelerates production while lowering costs. Their technology offers disruptive improvements in cost, weight, space, recyclability, and safety.


6. FirstLight Power

FirstLight Power is a leading clean power producer, developer, and energy storage company serving North America. With a diversified portfolio of renewable energy and energy storage technologies, they specialize in hybrid solutions that pair hydroelectric, pumped-hydro storage, utility-scale solar, large-scale battery, and offshore wind assets. Their mission is to accelerate the decarbonization of the electric grid and deliver a clean, reliable, affordable, and equitable electric system.


7. Rexel Energy Solutions USA

Rexel Energy Solutions is a company specializing in providing tailored and flexible energy solutions. They offer a range of products and services including EV charging stations, lighting and controls, HVAC and mechanical systems, battery storage, and water conservation. With a dedicated team of experts and a focus on customer satisfaction, Rexel Energy Solutions is committed to helping businesses exceed their goals in the clean energy sector.


8. Malta Inc

  • Website: maltainc.com
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2018
  • Headcount: 11-50
  • Latest funding type: Series B
  • LinkedIn

Malta Inc. offers breakthrough long duration energy storage technology that accelerates the decarbonization of the grid and economy. Their energy storage plants can repurpose fossil fuel plants, reducing carbon emissions and bringing down annual carbon dioxide emissions. They prioritize sustainability and resource efficiency in their supply chains.


9. New Leaf Energy, Inc.

  • Website: newleafenergy.com
  • Headquarters: Lowell, Massachusetts, United States
  • Founded: 2022
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

New Leaf Energy specializes in identifying, optimizing, and developing utility-scale, community solar, solar plus storage, standalone storage, and community wind projects. Their team combines decades of experience and a deep understanding of regional policies and interconnection rules to mitigate risk and create value for customers.


10. 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.


11. altE Store

  • Website: altestore.com
  • Headquarters: Boxborough, Massachusetts, United States
  • Founded: 1999
  • Headcount: 11-50
  • LinkedIn

altEstore.com is an online retailer specializing in renewable energy products and solutions. They offer a wide range of products such as solar panels, wind turbines, and energy storage systems.


12. 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.


13. Beacon Solar

Beacon Solar Construction is a leading solar energy company based in Massachusetts, Rhode Island, and Southern Connecticut. They offer design consultations, troubleshooting, installation estimates, and other services related to solar power. With a focus on customer satisfaction, they provide Qmerit certified solutions and collaborate with contractors and consumers to accelerate the transition to electrification. Beacon Solar Construction is experienced in residential and commercial solar projects, as well as battery and energy storage solutions.


14. Alsym Energy

  • Website: alsym.com
  • Headquarters: Woburn, Massachusetts, United States
  • Founded: 2015
  • Headcount: 11-50
  • LinkedIn

Alsym Energy is a battery technology company that offers innovative low-cost, high-performance rechargeable batteries for various applications, including stationary storage, maritime shipping, and electric vehicles. Their batteries are made from non-toxic and non-flammable materials, eliminating the risks associated with lithium-ion batteries. With performance comparable to lithium-ion at a much lower cost, Alsym Energy provides a sustainable and scalable solution for energy storage.


15. Microgrid Knowledge

  • Website: microgridknowledge.com
  • Headquarters: Westborough, Massachusetts, United States
  • Founded: 2014
  • Headcount: 1-10
  • Latest funding type: Acquired
  • LinkedIn

Microgrid Knowledge is a website that provides information and news in the microgrid industry, covering a variety of topics including technology, policy, and market trends.


16. 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.


17. Solar Wolf Energy

Solar Wolf Energy Inc. is a full service solar company. We design, sell, furnish, install, service, warranty, and finance complete systems for your home or business. Along with solar systems we are a complete energy efficiency company that has had our attention to and performing back up battery systems since 2015. As a company we use a time tested transparent business practice in which we strive to under promise and over deliver, period. Serving from New England to Florida to Texas.


18. Madbury Capital, LLC

Madbury Capital is a private investment firm that focuses on funding real estate and renewable-energy asset-intensive businesses that offer long-term recurring cash flows through capital efficiency.


19. Northeast Solar

Northeast Solar has been designing and installing solar systems for over ten years, prioritizing customer experience and sustainable homes and communities. They offer custom solar arrays, battery back-up systems, energy-efficient heat pumps, and other green technologies. They handle all paperwork and permits, ensuring a hassle-free process. Their dedication to expanding and perfecting their services and products has earned them a reputation for being a professional and reliable solar energy contractor.


20. Velerity

  • Website: velerity.com
  • Headquarters: South Hamilton, Massachusetts, United States
  • Founded: 2001
  • Headcount: 1-10
  • LinkedIn

Velerity helps companies build better futures by providing assistance in four key areas: (1) Leveraged Growth Strategies - Work with executives to develop and implement growth strategies that achieve results (2) Turnarounds - Work with executives to identify goals and ambitions, understand why growth objectives are not being realized, and identify and implement solutions to break through barriers and set companies on the path to improve performance and achieve ambitions (3) Business Strategies that Work - Who do you sell to? What do you sell? Who do you compete with? and How do you win? A company's success begins with getting the voice of your customer inside your enterprise, and answering the fundamental questions as to how you are going to win before that customer. I work with customers to help them establish the voice of their prospects and customers, through telephone interviews, conference calls and face-to-face meetings with customers and prospects. Assumptions will be challenged and customers' needs made crystal clear, which lays the foundation for product, market and business success (4) Increase Profit by Reducing Energy & Communications' Costs - Work with companies to identify and integrate services and solutions that reduce capital and operating costs, and drive increased profits to the bottom line Customers include Telecommunications Companies, Energy Companies, Software Companies, Network Equipment Manufacturers, Backup Power Equipment Manufacturers, Industrial Gas Equipment Manufacturers, and Energy Equipment Manufacturers.


21. Inter-Link Group

  • Website: inter-link-tech.com
  • Headquarters: Kingston, Massachusetts, United States
  • Headcount: 1-10

Inter-Link Group Ltd is a company that operates in the Environmental Services industry. It employs 21-50 people and has $1M-$5M of revenue. The company is headquartered in Kingston, Massachusetts.


Want to find more energy storage companies?


If you want to find more companies that offer advanced energy storage solutions and innovative battery technologies 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!