Top Massachusetts Energy Startups (67)
Our software predicts how much energy homes will use and helps builders design and build more energy efficient homes. Our software is also used to verify compliance with dozens of energy codes, programs and to share information with homeowners. Our Home Energy Rating Software is the most widely used in the US, used on 1 in every 4 new homes. This...
Unison Infrastructure is a market leader in the acquisition and management of infrastructure assets, including wireless, renewable energy, tower, and fiber-enabled infrastructure. The company provides customized, tax-efficient capital solutions to individuals, businesses, non-profits, and enterprises, helping them maximize the long-term value of their assets. With over 20 years of experience and thousands of closed transactions, Unison partners with clients to...
Clean Air Task Force is a U.S.-based nonprofit that advances technologies and policies to reduce carbon emissions across the economy, aiming for a zero-emissions, high-energy planet at an affordable cost.
REsurety provides software and services to support both the financial and sustainability goals of clean energy buyers, sellers, and investors, as well as operating the only marketplace for clean energy. Our software and services offer data-driven insights at various stages of the project lifecycle, from initial exploration to portfolio management. Our services leverage our domain expertise and deliver solutions tailored...
Highland Electric Fleets is the leading provider of Electrification-as-a-Service (EaaS) for school districts, governments, and fleet operators in North America. Offering a unique suite of products, Highland makes it simple and affordable for public entities to upgrade their fleets to electric.
Divert is committed to a waste-free future. We founded the company to create innovative and efficient solutions toward eliminating food and associated waste from the retail industry—one ton at a time. Since 2007, we’ve been helping retail supply chains save costs and see greater returns on resource recovery efforts. From trackable food waste bins to organics backhauling—and from energy generation...
Alsym Energy is North America’s leading sodium-ion battery company delivering high-performance, non-flammable, low-cost cells for stationary energy storage. The company’s Alta cells use NFPP+ chemistry designed to be best-in-class energy density and no thermal runaway. Alsym Energy delivers cells to be integrated into energy storage systems purpose-built for the unique demands of AI data centers, utility scale projects, behind the...
Hi, we’re Yes Energy Yes Energy leads in electric power trading analytics software. We are THE power market data experts. We provide the most comprehensive, robust, and high-quality energy data and analytics tools available, empowering companies to navigate highly complex and dynamic power markets to maximize their bottom line. Founded in 2008 by Michael McNair, Yes Energy’s goal is to support you in...
Peak Power is a Canadian climate tech company at the forefront of the energy transition. We’re pushing the envelope of what distributed energy resources can do in the built environment. We’re the only company aggregating battery storage, grid interactive buildings, and bi-directional electric vehicles with a single decarbonization platform, Peak Synergy, for partners to achieve net zero goals, cut operating...
GoodPower empowers humanity to accelerate the global transition to a decarbonized economy—one that works for everyone and not just the lucky few. We harness the power of strategic communications, disruptive tech, empirical research, organizing, and innovation to: shift culture, increase participation in our democracy, accelerate renewable energy deployment, and unlock the enormous economic potential of the energy transition. Equipped with...
Rodenhiser Home Services is a professional HVAC and residential services company that has served Massachusetts since 1928. They specialize in plumbing, heating, air conditioning, electrical work, and home remodeling, providing installation, maintenance, and repair services to homeowners across the Route 495 and 128 areas.
Factorial is transforming battery technology to enable safe, affordable, and manufacturable products for Mobility and Energy. Operating out of its world-class research and development facility in Woburn, MA
AeroShield is developing super-insulating, transparent inserts for windows, bringing state-of-the-art thermal comfort and energy savings into buildings at an affordable price. We work with insulated-glass manufacturers to integrate our material inside of new windows, ready to install in your home. AeroShield’s material is a breakthrough in silica aerogel research. Developed at MIT by co-founder Dr. Elise Strobach, AeroShield is the first...
ControlPoint Technologies is advancing the Power & Energy industry through engineering, design, and analytical solutions enabling grid modernization and renewable energy interconnection. Our customers can depend on a responsive, high-value, and high-quality approach to engineering projects and utility challenges. The team provides quick mobilization to projects, staffed, equipped, and ready to go. Our agility allows the firm to perform specialized projects...
Transaera, Inc. is a Massachusetts-based climate-tech startup and MIT spin-out that develops ultra-efficient, sustainable cooling systems for residential, commercial, and industrial applications. By utilizing novel desiccant materials, the company aims to revolutionize air conditioning, significantly reducing energy consumption and greenhouse gas emissions while enhancing indoor air quality and occupant comfort on a global scale.
Cornerstone Energy Services, Inc. provides engineering, surveying, mapping, drafting, project management, and right-of-way acquisition services for energy infrastructure projects. The company supports developers and operators of oil and gas pipelines and electric transmission lines, handling work from initial project phases through completion and documentation. Its capabilities cover civil, process, mechanical, and instrumentation-and-electrical engineering for linear projects and site-specific facilities.
Energy. Environment. Economics. Three cornerstones that shape today’s transition to clean energy resources. E3 has operated at the nexus of energy, environment, and economics since its inception in 1989. We have long been a pioneer and thought leader on the topics key to the energy transition such as how to plan and operate highly renewable energy systems, what policies are...
New Leaf Energy is one of the leading developers of renewable energy and energy storage projects in the United States—both distributed generation and utility scale. Headquartered in Lowell, MA, with employees and projects spanning the country, New Leaf Energy was formed in 2022 out of Borrego’s market-leading solar and energy storage development business, which extends back to 1980. At New Leaf...
Antron Engineering & Machine Co., Inc. is a leading precision machining and product assembly company specializing in contract manufacturing, electromechanical assembly, design engineering, and rapid prototyping. As a value-added partner to original equipment manufacturers, the company provides high-end CNC milling, turning, and screw machining services across various materials, serving the aerospace, medical, defense, and industrial sectors.


































