Massachusetts Clean Energy Center

Lithios is a technology company that uses electrochemistry for advanced lithium extraction from complex mixtures and untapped brine resources, applying electrochemical methods to capture and release lithium and enable low-cost, selective extraction for industries pursuing a sustainable, electrified future.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

Blaze Power operates as a lithium-ion battery materials manufacturer. It innovates and commercializes iron-based cathode materials to enable mass-market electrification in transportation and energy storage. The company is driven to industrialize these cathodes in purpose-built inflation reduction act-compliant facilities.

BlocPower designs and implements energy efficiency and electrification upgrades for urban buildings, including schools, churches, small businesses, non-profits, and homes. Through proprietary software, machine learning, and IoT-enabled monitoring, it analyzes facilities to identify cost-effective retrofits, combines financing and project management, and delivers scalable deployment that reduces energy waste and utility bills while enhancing indoor air quality and comfort.

Feon develops new-molecule-based liquid electrolytes for lithium-ion and lithium-metal batteries.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

SYSO Technologies specializes in end-to-end management technology and services for renewable energy and storage assets. Its cloud-based platform employs artificial intelligence to optimize control and management of photovoltaic, wind, and storage assets, enhancing revenue generation, cost reduction, and reliability.

Nth Cycle is a company specializing in metal processing technology. It collaborates with battery recyclers and miners to recover critical minerals from electronic waste and low-grade mine tailings using its proprietary electro-extraction method, offering an alternative to traditional hydrometallurgy and pyrometallurgy processes.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

Heila Technologies, Inc. is a Massachusetts-based company that specializes in the development of a platform designed to integrate and optimize distributed energy resources (DERs) such as solar arrays and batteries. The Heila Platform employs a decentralized optimization system that simplifies the management of these resources, enabling the creation of self-managing microgrids. By transforming individual nodes within the energy system into intelligent agents, the platform facilitates autonomous coordination and optimization of power assets. This approach helps to reduce complexity and costs while enhancing resilience and efficiency in energy operations. Heila Technologies serves a diverse clientele, including partners, utility representatives, developers, energy users, and public officials. Originally founded as Heila Technologies LLC, the company was incorporated in 2015 and has its roots in MIT.

Blackburn Energy develops and manufactures RelGen, a vehicle electrification technology that converts the kinetic energy from a truck's drive shaft into electricity stored in a battery array to power truck subsystems such as electric APUs, liftgates, climate control, and sensors. The RelGen system, along with a 48V charging platform and anti-idling solutions, enables fleets to reduce fuel use, lower maintenance costs, and cut emissions by powering accessories without engine idle. The company promotes integrated systems including kinetic energy recovery, electric AC, and heat recovery, and serves commercial trucking fleets, liftgates and bucket service vehicles, and fleets supporting overnight accommodations and driver-assist features. Based in Amesbury, Massachusetts, Blackburn Energy was established in 2008 and has provided electrification solutions to large users including fleets associated with General Motors, AB InBev, and the US Marines.

EnergySage, LLC is an online marketplace based in Boston, Massachusetts, that specializes in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that enables consumers to explore a variety of energy solutions, including rooftop solar, battery storage, community solar, heat pumps, electric vehicle charging, and more. EnergySage offers educational content, analytical tools, and standardized shopping experiences, allowing users to request and compare competitive quotes from pre-screened installers. This facilitates informed decision-making and streamlines the process of selecting and installing clean energy systems, making it a valuable resource for those seeking sustainable energy alternatives.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

FLxDER creates a prototype of its cloud-based software to optimize electric fleet vehicle charging so as to reduce electric grid impacts and costs, and coordinate operation with other distributed energy resources.

SYSO Technologies specializes in end-to-end management technology and services for renewable energy and storage assets. Its cloud-based platform employs artificial intelligence to optimize control and management of photovoltaic, wind, and storage assets, enhancing revenue generation, cost reduction, and reliability.

Lydian aims to accelerate the decarbonization of the chemical industry by electrifying the chemical production process. Founded in 2021 by Branko Zugic, Lydian is headquartered in

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

Blackburn Energy develops and manufactures RelGen, a vehicle electrification technology that converts the kinetic energy from a truck's drive shaft into electricity stored in a battery array to power truck subsystems such as electric APUs, liftgates, climate control, and sensors. The RelGen system, along with a 48V charging platform and anti-idling solutions, enables fleets to reduce fuel use, lower maintenance costs, and cut emissions by powering accessories without engine idle. The company promotes integrated systems including kinetic energy recovery, electric AC, and heat recovery, and serves commercial trucking fleets, liftgates and bucket service vehicles, and fleets supporting overnight accommodations and driver-assist features. Based in Amesbury, Massachusetts, Blackburn Energy was established in 2008 and has provided electrification solutions to large users including fleets associated with General Motors, AB InBev, and the US Marines.

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

Heila Technologies, Inc. is a Massachusetts-based company that specializes in the development of a platform designed to integrate and optimize distributed energy resources (DERs) such as solar arrays and batteries. The Heila Platform employs a decentralized optimization system that simplifies the management of these resources, enabling the creation of self-managing microgrids. By transforming individual nodes within the energy system into intelligent agents, the platform facilitates autonomous coordination and optimization of power assets. This approach helps to reduce complexity and costs while enhancing resilience and efficiency in energy operations. Heila Technologies serves a diverse clientele, including partners, utility representatives, developers, energy users, and public officials. Originally founded as Heila Technologies LLC, the company was incorporated in 2015 and has its roots in MIT.

Ascend Elements specializes in manufacturing advanced battery materials using recycled lithium-ion batteries. It employs hydroprocess recycling and direct recycling methods to create new cathode materials from old ones, contributing to a more sustainable electric vehicle industry.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

EnergySage, LLC is an online marketplace based in Boston, Massachusetts, that specializes in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that enables consumers to explore a variety of energy solutions, including rooftop solar, battery storage, community solar, heat pumps, electric vehicle charging, and more. EnergySage offers educational content, analytical tools, and standardized shopping experiences, allowing users to request and compare competitive quotes from pre-screened installers. This facilitates informed decision-making and streamlines the process of selecting and installing clean energy systems, making it a valuable resource for those seeking sustainable energy alternatives.

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

Advanced Microgrid Solutions (AMS) specializes in designing, installing, and managing advanced energy storage systems for commercial, industrial, and government buildings. Based in San Francisco with offices across the U.S., AMS deploys large networks of battery systems in buildings to lower energy costs for consumers and support the electric grid. The company's AI-powered software, SigmaOne, optimizes energy trading and maximizes the value of renewables and energy storage assets. AMS also offers microgrid solutions, enabling clean energy access for households, businesses, and communities. Founded in 2013, AMS operates as a subsidiary of Fluence.

National Grid is a major investor-owned energy company that owns and operates electricity transmission systems in England and Wales and manages regulated gas and electricity networks in the United Kingdom and United States. It focuses on delivering electricity and gas safely, reliably, and efficiently to customers and communities, while transforming networks with smarter, cleaner, and more resilient energy solutions to support decarbonisation. In the United Kingdom, it owns the electricity transmission and distribution assets and gas transmission infrastructure and also provides metering services. In the United States, it owns regulated transmission and generation assets serving multiple states, along with metering services and merchant transmission lines. It also operates the Grain LNG facility in the United Kingdom. As one of the world's largest investor-owned energy companies, National Grid oversees investments through its regulated businesses and related ventures, aiming to connect millions of customers to dependable energy while pursuing energy-system innovation and decarbonisation.

Tesla designs and manufactures electric vehicles and energy generation and storage systems, pursuing a vertically integrated approach to product and software development. It offers a full range of electric cars, including sedans and crossover models, and markets its vehicles through company-owned stores and its website. The company also produces and sells stationary energy storage batteries for residential, commercial, and utility use, and provides solar energy generation and solar storage products. It operates a fast-charging network and develops autonomous driving software. Headquartered in Palo Alto, California, Tesla serves international markets and aims to accelerate the transition to sustainable mobility through innovation across vehicles, energy, and software.

Ivys Energy Solutions is a provider of engineering services and products focused on the global energy and renewable sectors. The company specializes in developing hydrogen-based fueling systems that deliver sustainable energy solutions. These systems are designed to provide clean, cost-effective, and reliable energy, thereby enabling clients to transition to cleaner vehicles. Through its innovative approach, Ivys Energy Solutions aims to contribute to the advancement of sustainable energy practices in the industry.

WattJoule develops liquid electrical energy storage systems, combining power conversion modules with off-the-shelf pumps, sensors, and controls. Their innovative design enables clients to achieve desired power levels through modular tank assemblies.

Established in 2011, Greentown Labs offers shared workspace, prototyping facilities, and event spaces for businesses focused on climate technology, clean energy, and environmental industries. Its mission is to foster a vibrant community of entrepreneurs by providing access to resources, funding, and collaborative spaces.

Essess is a technology company that specializes in improving building energy efficiency through its thermal imaging and data analytics platform. The company collects and analyzes energy performance data from a vast number of buildings, synthesizing this information into clear metrics and scores. Essess generates straightforward reports in plain language, making it accessible for building owners to understand potential energy losses and identify areas for improvement. By highlighting issues through easy-to-read thermal images, the platform enables users to implement solutions that enhance comfort and reduce energy costs, thereby promoting greater energy efficiency across large geographic areas.

Tank Utility, Inc. is a Boston-based company, founded in 2014, that specializes in software solutions for the fuel and energy sector. The company designs smart metering devices that utilize wireless sensors to provide real-time tank-level data. Its primary product is a propane monitoring system that combines these sensors with cloud-based applications for efficient business operations. By leveraging innovative business intelligence software, Tank Utility enables fuel distribution companies to minimize unnecessary delivery miles and optimize logistics, thus enhancing customer satisfaction through increased transparency. Additionally, the company offers installation and support services, helping clients improve service efficiency and boost retention rates.

EnergySage, LLC is an online marketplace based in Boston, Massachusetts, that specializes in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that enables consumers to explore a variety of energy solutions, including rooftop solar, battery storage, community solar, heat pumps, electric vehicle charging, and more. EnergySage offers educational content, analytical tools, and standardized shopping experiences, allowing users to request and compare competitive quotes from pre-screened installers. This facilitates informed decision-making and streamlines the process of selecting and installing clean energy systems, making it a valuable resource for those seeking sustainable energy alternatives.

Blackburn Energy develops and manufactures RelGen, a vehicle electrification technology that converts the kinetic energy from a truck's drive shaft into electricity stored in a battery array to power truck subsystems such as electric APUs, liftgates, climate control, and sensors. The RelGen system, along with a 48V charging platform and anti-idling solutions, enables fleets to reduce fuel use, lower maintenance costs, and cut emissions by powering accessories without engine idle. The company promotes integrated systems including kinetic energy recovery, electric AC, and heat recovery, and serves commercial trucking fleets, liftgates and bucket service vehicles, and fleets supporting overnight accommodations and driver-assist features. Based in Amesbury, Massachusetts, Blackburn Energy was established in 2008 and has provided electrification solutions to large users including fleets associated with General Motors, AB InBev, and the US Marines.

Xilectric is a company that specializes in developing advanced energy and environmental technologies, particularly in the area of lithium-ion battery systems. It focuses on enhancing the abuse tolerance of these batteries, enabling them to withstand high voltage, high temperatures, and rapid charging processes. Xilectric also produces a new class of low-cost rechargeable batteries based on nickel-iron technology, which minimizes electrolyte degradation and enhances operational performance in extreme weather conditions. This innovation provides electric vehicle manufacturers with durable and reliable battery solutions, ensuring improved safety and longevity for their products.

Essess is a technology company that specializes in improving building energy efficiency through its thermal imaging and data analytics platform. The company collects and analyzes energy performance data from a vast number of buildings, synthesizing this information into clear metrics and scores. Essess generates straightforward reports in plain language, making it accessible for building owners to understand potential energy losses and identify areas for improvement. By highlighting issues through easy-to-read thermal images, the platform enables users to implement solutions that enhance comfort and reduce energy costs, thereby promoting greater energy efficiency across large geographic areas.

Established in 2011, Greentown Labs offers shared workspace, prototyping facilities, and event spaces for businesses focused on climate technology, clean energy, and environmental industries. Its mission is to foster a vibrant community of entrepreneurs by providing access to resources, funding, and collaborative spaces.

Sparkplug Power is a company that develops and manufactures equipment for energy storage, with a focus on renewable energy semiconductors. The company specializes in providing project development and services for storage facilities, aiming to help commercial and institutional customers cut energy costs through energy storage solutions.

Nuvera Fuel Cells, LLC is a manufacturer specializing in heavy-duty, zero-emissions fuel cell engines designed for mobility applications. The company operates facilities in the United States and Europe, focusing on developing innovative fuel cell technology to serve the fuel cell power and hydrogen supply industry. Nuvera's product offerings include solutions for on- and off-road vehicles, port and maritime applications, as well as stationary and portable power systems. By providing clean and efficient energy solutions, Nuvera enables its clients to meet demanding commercial requirements and environmental mandates in various transportation and industrial sectors.

Established in 2011, Greentown Labs offers shared workspace, prototyping facilities, and event spaces for businesses focused on climate technology, clean energy, and environmental industries. Its mission is to foster a vibrant community of entrepreneurs by providing access to resources, funding, and collaborative spaces.

Spruce Power is a company that owns and operates distributed solar energy assets across the United States. It provides subscription-based solar energy services to homeowners, serving over 52,000 customers. Its offerings generate revenue from the sale of electricity produced by home solar systems to customers, contracts to sell solar renewable energy credits (SRECs) under fixed prices, and servicing agreements for other institutional owners of home solar assets.

Bandgap Engineering is a company focused on advancing nanostructured technologies to enhance the performance of silicon-based photovoltaic systems and lithium-ion batteries. By developing innovative and cost-effective methods for nano-structuring silicon, Bandgap Engineering aims to improve the efficiency of solar energy systems, making them competitive with traditional energy sources. The company leverages its proprietary nanotechnology processes to create high-efficiency photovoltaic cells and high-capacity battery solutions, contributing to the broader adoption of renewable energy technologies. Through its efforts, Bandgap Engineering is positioned to drive significant advancements in energy storage and solar energy generation.

Ambri develops grid-scale energy storage technology based on liquid metal battery cells, designed to provide low-cost, long-duration storage for electric grids and renewable energy systems. Its systems are offered as ready-to-install DC containers that enable daily cycling with high efficiency, long lifespan, and safety, and are positioned to replace diesel generators at hyperscale data centers while stabilizing the grid with intermittent renewables. Founded in 2010 and based in Marlborough, Massachusetts, Ambri focuses on scalable storage solutions for grid reliability, renewable integration, and data-center applications.

Vecarius is an energy efficiency in mass markets with broad societal impact, particularly in markets involving energy-intensive mobile or portable applications. They offer power management systems, thermal management systems, power electronics, advanced heat exchangers, and waste heat recovery.

SolidEnergy Systems Corp. develops and manufactures rechargeable lithium metal batteries primarily for applications in drones, wearables, smartphones, and electric vehicles. Founded in 2012 and based in Woburn, Massachusetts, the company focuses on producing high-performance lithium metal batteries and supplying essential materials, such as anodes and electrolytes, to major lithium-ion cell manufacturers. These materials can be integrated into existing manufacturing processes, allowing for scalability without significant infrastructure investments. SolidEnergy's pilot-scale production caters to prototype demonstrations and specialized aerospace markets, while its future growth is aimed at mainstream sectors like consumer electronics and electric vehicles. Additionally, the company is involved in developing AI-powered safety algorithms and recycling solutions, positioning itself as an integrated battery manufacturer with a commitment to innovation and sustainability.

Thermeleon specializes in energy-efficient greenhouse solutions. Their core product is a next-generation screening system that passively cools and heats greenhouses. This system integrates thermal energy storage, absorbing excess heat during the day and releasing it at night, significantly reducing both gas costs and CO2 emissions.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

WindPole sells actual hub height wind resource data that solves two problems: 1) historical wind data that de-risks and improves finance terms for wind power development projects, and 2) real-time data based wind forecasting that improves operational effectiveness for utilities, grid operators, wind farm operators, and power traders. WindPole installs weather monitoring sensors and systems on existing narrow faced, 80+ meters (hub height), broadcast towers. Each tower is polled every five minutes to compile real-time wind resource data. WindPole’s clients include five of the top ten wind developers, grid operators, and industry analysts.