Massachusetts Clean Energy Center

Established in 2009, the Massachusetts Clean Energy Center is a state agency dedicated to accelerating clean energy development and implementation. It aims to create high-quality jobs and long-term economic growth by facilitating renewable energy generation projects and developing a skilled workforce.

Stephen Pike

CEO

Emily Reichert

CEO

Susan Stewart

Head of Investments

David Wilson

Senior Investment Associate

Past deals in Energy

BitEnergy AI

Grant in 2025
BitEnergy AI is a technology company specializing in the development of advanced AI inference technology. This innovation consumes just one-tenth the energy of existing solutions, making it a more sustainable and cost-effective option for artificial intelligence applications. The company's offerings include novel neural network architectures, neuro-symbolic large models, and first-principle grounded tools. These enable clients to integrate their models with knowledge graphs and reasoning engines, leading to precise data retrieval, transparent decision-making, reduced AI costs, and streamlined processes.

Matcha EV

Grant in 2024
Matcha’s EV charging parking management platform provides apartments, commercial properties, and garages with a turnkey, reservation based, automated EV charging solution, including a profit share for site hosts.

Found Energy

Seed Round in 2024
Found Energy develops aluminum-based fuel that converts aluminum scrap and waste into a carbon-free energy carrier. It recovers aluminum waste from landfills and, through a carbon-free process, produces hydrogen on demand at under $0.50 per kilogram, with hydrogen having five times the volumetric energy density of liquid hydrogen. The aluminum fuel is designed to supply carbon-free thermal power to heavy industries, offering competitiveness with fossil fuels in price and energy density and enabling a faster transition to renewable energy.

Cala Systems

Seed Round in 2024
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.

River Otter Renewables

Grant in 2023
River Otter Renewables is a recycling comany that produced biocrude oil from plant and waste as well as sewage and plastic waste.

BlocPower

Grant in 2023
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.

Cala Systems

Grant in 2023
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.

Transaera

Seed Round in 2022
Transaera is a company focused on developing advanced air conditioning solutions that prioritize energy efficiency and environmental sustainability. By utilizing a novel desiccant material, Transaera's cooling systems effectively remove moisture from the air prior to the cooling process, significantly reducing energy consumption and greenhouse gas emissions. These innovative systems are designed for both residential and commercial applications, providing affordable and environmentally friendly cooling options that enhance indoor comfort while minimizing the impact on global climate and local grid infrastructure. Through its technology, Transaera aims to improve productivity and comfort in indoor environments while contributing to a more sustainable future.

Powerhouse

Grant in 2021
PowerHouse is a company dedicated to combating climate change by providing innovative solar energy solutions. It specializes in developing a solar energy system that overcomes the limitations of traditional deployment methods, offering versatile and aesthetically pleasing options for residential, commercial, and off-grid applications. The company's platform aims to expand the reach of renewable energy, making it more accessible and desirable for clients.

Team Solar

Grant in 2021
Team Solar increases the rate of adoption of energy saving projects such as solar. We capitalize projects for companies that would have financial barriers to do so on their own. We raise the capital for these projects from investors. Our investors get long sustainable cash flow from a completely positive, ethical, sustainable, and repeatable source.

UMass Clean Energy Extension

Grant in 2021
UMass Clean Energy Extension provides a resource to reduce market barriers and accelerate the adoption of clean energy for Massachusetts cities and towns, businesses, institutions, farms, low-income and multiunit housing, and others.

Solstice

Venture Round in 2021
Solstice facilitates shared solar energy solutions, aggregating consumer demand and connecting households with community solar projects. Founded in 2016, it aims to increase access to affordable renewable energy regardless of income or credit score.

Transaera

Grant in 2020
Transaera is a company focused on developing advanced air conditioning solutions that prioritize energy efficiency and environmental sustainability. By utilizing a novel desiccant material, Transaera's cooling systems effectively remove moisture from the air prior to the cooling process, significantly reducing energy consumption and greenhouse gas emissions. These innovative systems are designed for both residential and commercial applications, providing affordable and environmentally friendly cooling options that enhance indoor comfort while minimizing the impact on global climate and local grid infrastructure. Through its technology, Transaera aims to improve productivity and comfort in indoor environments while contributing to a more sustainable future.

Cala Systems

Grant in 2020
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.

Ithaca Clean Energy

Grant in 2020
Ithaca Clean Energy is a company that develops a renewable energy platform designed to enhance the efficiency of energy generation. Utilizing artificial intelligence-driven data analytics, Ithaca aims to improve connectivity and interactivity among stakeholders in the energy sector, including investors, developers, and operators. By providing tools that facilitate better-informed decision-making, Ithaca Clean Energy supports its clients in optimizing their operations and investments in the renewable energy landscape.

Enel Green Power

Grant in 2020
Enel Green Power is a global leader in renewable energy, focusing on the development and management of power plants that utilize a diverse array of resources, including wind, solar, hydroelectric, geothermal, and biomass. Established in December 2008 as part of the Enel Group, the company operates across Europe and the Americas, boasting an installed capacity of 64.7 GW and generating approximately 25 terawatt-hours of electricity annually. This production supports the energy needs of over 8 million households and contributes to significant reductions in carbon emissions, avoiding around 16 million tonnes of CO2 each year. Enel Green Power emphasizes sustainability and innovation while actively collaborating with local communities to promote socio-economic development. The company is committed to expanding its installed capacity and enhancing technological mixes tailored to local conditions, thus playing a crucial role in the global transition to sustainable energy.

Plug In America

Grant in 2020
Plug In America is a coalition of RAV4-EV drivers, former lessees of Honda EV+, GM EV1, Ford Ranger and Ford Th!nk City electric cars, and advocates of energy independence and clean air. Prior to 2008, we functioned as a loose network of individuals organized around various websites like dontcrush.com and saveEV1.com. We then coalesced into a chapter of the Electric Auto Association. On January 2, 2008, Plug In America became a separate California non-profit corporation. On August 18, 2008, we became an official 501(c)(3) public charity! Our Mission Plug In America drives change. We accelerate the shift to plug-in vehicles powered by clean, affordable, domestic electricity to reduce our nation's dependence on petroleum and improve the global environment.

Enel X

Grant in 2020
Enel X is a company that specializes in energy supply and optimization, aiming to promote more autonomous and sustainable energy consumption. It provides energy intelligence software (EIS) and demand response services through its software-as-a-service (SaaS) platform, which enables enterprises to manage their energy costs effectively, mitigate risks, and streamline compliance and sustainability reporting. In addition to these services, Enel X offers access to demand response programs globally, creating a valuable revenue stream for businesses while providing utilities and grid operators with a reliable and cost-effective demand-side resource. This focus on innovative energy solutions positions Enel X as a key player in advancing energy efficiency and sustainability in various sectors.

E4TheFuture

Grant in 2020
E4TheFuture promotes residential clean energy and sustainable resource solutions to advance climate protection and economic fairness.

PowerOptions

Grant in 2020
PowerOptions provides savings and predictability on energy costs to nonprofits and the public sector.

Gridtwin

Grant in 2020
Gridtwin is a SaaS-based company providing software tools to both energy developers and utilities to streamline the interconnection process. Gridtwin was founded by researchers and graduates from the MIT Energy Initiative who were passionate about modernizing the electricity network and developing tools to facilitate that process. Gridtwin is based in Cambridge, Massachusetts.

Medley Thermal

Grant in 2020
Medley Thermal develops software that optimally manages switching between energy sources in industrial boiler systems. Its solution adds an electric boiler alongside existing ones, using dispatching software to seamlessly manage fuel switching, enabling industries to reduce power costs and emissions.

Verdox

Grant in 2020
Verdox is dedicated to reversing climate change through the development and deployment of advanced technology. The company’s proprietary electro-swing process, developed at MIT, enables carbon dioxide and other acid gases to be captured with up to 80% less energy and 70% less cost than conventional approaches.

VIA

Grant in 2020
VIA Science, Inc. is a technology company that develops an artificial intelligence (AI) application tailored for the energy sector. Founded in 2016 and headquartered in Somerville, Massachusetts, with an additional office in Montreal, Canada, VIA provides a blockchain-based application called Trusted Analytics Chain. This platform aggregates company-wide data, allowing organizations to analyze information across multiple locations securely. VIA focuses on addressing asset management and operational challenges in collaboration with key stakeholders in the energy industry, including governments and large utilities. Its innovative solutions leverage AI and causal analytics to prioritize risks to critical infrastructure, facilitating encrypted analysis of sensitive data and enhancing initiatives such as predictive maintenance and contingency planning.

Solablock

Grant in 2019
SolaBlock is an innovative company that specializes in solar-clad masonry and tile wall systems, which integrate renewable energy production into the entire building envelope. By utilizing a combination of conventional concrete blocks and tiles embedded with permanent solar photovoltaic elements, SolaBlock offers a unique solution for both urban and remote locations. Its technology not only enhances energy efficiency but also provides durable features such as weather resistance, theft-proof designs, and vandal resistance. This enables building owners to take advantage of affordable building-integrated photovoltaic panels, thereby economically benefiting from renewable energy while contributing to sustainable construction practices.

Camberline Technologies

Grant in 2019
Camberline Technologies is a developer of a sensor-driven energy platform designed to monitor electricity usage and promote energy conservation. The company's technology provides billing-ready data to utility systems through established data exchange interfaces, facilitating accurate and efficient billing processes. By leveraging this platform, consumers can receive incentives to modify their electricity consumption habits, ultimately supporting efforts to enhance energy efficiency within communities.

Transaera

Grant in 2019
Transaera is a company focused on developing advanced air conditioning solutions that prioritize energy efficiency and environmental sustainability. By utilizing a novel desiccant material, Transaera's cooling systems effectively remove moisture from the air prior to the cooling process, significantly reducing energy consumption and greenhouse gas emissions. These innovative systems are designed for both residential and commercial applications, providing affordable and environmentally friendly cooling options that enhance indoor comfort while minimizing the impact on global climate and local grid infrastructure. Through its technology, Transaera aims to improve productivity and comfort in indoor environments while contributing to a more sustainable future.

Transaera

Grant in 2018
Transaera is a company focused on developing advanced air conditioning solutions that prioritize energy efficiency and environmental sustainability. By utilizing a novel desiccant material, Transaera's cooling systems effectively remove moisture from the air prior to the cooling process, significantly reducing energy consumption and greenhouse gas emissions. These innovative systems are designed for both residential and commercial applications, providing affordable and environmentally friendly cooling options that enhance indoor comfort while minimizing the impact on global climate and local grid infrastructure. Through its technology, Transaera aims to improve productivity and comfort in indoor environments while contributing to a more sustainable future.

Energetic Capital

Grant in 2018
Energetic Insurance, Inc. is an InsurTech company based in Boston, Massachusetts, founded in 2016. It specializes in providing solar insurance solutions that address credit and counterparty risks associated with commercial and industrial solar photovoltaic projects. The company offers a product called EneRate, which protects third-party solar developers and asset owners from repayment risks and revenue losses due to defaults on power purchase agreements (PPAs). Energetic Insurance employs a data-driven approach as a Managing General Underwriter, developing innovative risk management products that facilitate solar financing for unrated or below investment grade organizations. This enables solar project developers to undertake more projects and access capital by mitigating payment default risks, thereby enhancing project economics through lower interest rates and improved financial structuring.

Littoral Power Systems

Grant in 2018
Littoral Power Systems develops, manufactures, and installs hydropower and ocean energy products. These products aim to reduce the time, cost, and risk associated with building renewable energy projects while minimizing environmental impact.

Solstice

Convertible Note in 2018
Solstice facilitates shared solar energy solutions, aggregating consumer demand and connecting households with community solar projects. Founded in 2016, it aims to increase access to affordable renewable energy regardless of income or credit score.

Medley Thermal

Grant in 2018
Medley Thermal develops software that optimally manages switching between energy sources in industrial boiler systems. Its solution adds an electric boiler alongside existing ones, using dispatching software to seamlessly manage fuel switching, enabling industries to reduce power costs and emissions.

Community Clean Energy Project

Grant in 2018
The Community Clean Energy Project (CCEP) model involves consumers, utilities, community stakeholders, technology companies, funders, Federal/State energy programs, clean energy, and mobility organizations, and local government as partners committed to reliable, clean energy future.

Borrego Solar Systems

Grant in 2017
Borrego Solar is solving the world’s energy problems by accelerating the adoption of renewable energy. Their people are committed to excellence in every aspect of solar design, construction and operation.

Massachusetts Municipal Wholesale Electric Company

Grant in 2017
Massachusetts Municipal Wholesale Electric Company provides electricity solutions along with resource & power supply planning services.

Ameresco

Grant in 2017
Ameresco, Inc. is an energy efficiency solutions provider operating primarily in North America and Europe. Founded in 2000 and headquartered in Framingham, Massachusetts, the company specializes in the development, design, engineering, and installation of projects that aim to reduce energy consumption and operational costs for various sectors, including governmental, educational, utility, healthcare, commercial, and industrial facilities. Ameresco's services encompass upgrades to energy infrastructure and the construction of renewable energy plants that generate electricity, gas, heat, or cooling from sustainable sources. Additionally, the company offers a range of solar energy products and systems, including photovoltaic panels, inverters, solar-powered lighting, and other essential components for both grid-connected and off-grid applications. Through its initiatives, Ameresco supports clients in achieving greater energy efficiency and sustainability.

EnerNOC

Grant in 2017
EnerNOC provides technology-enabled energy management solutions to assist utilities and grid operators in maintaining the real-time balance between supply and demand. Their services help optimize energy usage and improve grid reliability for their clients.

Solect Energy

Seed Round in 2017
Solect Energy, located in Hopkinton, Massachusetts, is a prominent leader in the commercial-scale solar sector. The company specializes in providing solar energy solutions tailored for businesses, emphasizing the development, design, and implementation of solar projects that enhance sustainability and reduce energy costs. With a commitment to advancing renewable energy, Solect Energy plays a significant role in helping organizations transition to cleaner energy sources, contributing to both environmental goals and economic benefits. Through its expertise and innovative approach, the company has established itself as a key player in the growing solar energy market.

Energy Futures Group

Grant in 2017
Energy Futures Group provides expert consulting services informed by national and international experience in the design and evaluation of energy efficiency.

SLIPS Technologies

Series B in 2017
SLIPS Technologies (slipstechnologies.com) is the leader in providing customized solutions for sticky problems in materials. We create highly-repellent slippery surfaces for customers in all industries including: energy, packaging, consumer, automotive and environmental. Our portfolio of pioneering and award-winning technologies and our years of know-how were created at the Wyss Institute for Biologically Inspired Engineering and the Harvard University School of Engineering and Applied Sciences.

MTPV

Grant in 2017
MTPV Power Corporation, established in 2003 and based in Austin, Texas, specializes in innovative clean energy solutions. The company focuses on developing Micron-gap ThermalPhotoVoltaics (MTPV) technology, originally researched at MIT and Draper Laboratory before being brought under MTPV Power's umbrella. Their core product is semiconductor chips designed to convert waste heat from various sources into usable electricity, benefiting industrial businesses by enhancing productivity while reducing energy costs.

WattJoule

Grant in 2017
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.

Essess

Venture Round in 2015
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.

SiEnergy Systems

Grant in 2015
SiEnergy Systems LLC is an early-stage company commercializing a novel thin film solid oxide fuel cell (SOFC) developed at Harvard University. The technology uses inexpensive silicon-based technology and nanometer scale electrolytes to create SOFCs that operate at a commercially desirable temperature and are scalable to meet various power requirements. Thin film SOFC is a promising technology that provides solutions to cost and reliability challenges of fuel cells today.

Building Envelope Materials

Grant in 2015
Building Envelope Materials specializes in creating innovative solutions to enhance the energy efficiency of existing buildings. Founded in 2014, the company initially received a grant from the Massachusetts Clean Energy Center to develop a method for injecting closed-cell polyurethane foam into under-insulated wall cavities. This technology has been refined through further funding from various organizations, enabling the company to significantly increase insulation values in typical fiberglass-filled walls, from R10 to R23, resulting in a reduction of energy usage by 25% or more. Their pinhole insulation technique allows for insulation installation through a small, easily repaired opening, completing the process for an entire home in just one day. The company is expanding its offerings to include insulation solutions for cathedral ceilings, dormer roofs, and flat roofs, while also working on safer alternatives to traditional spray foam for new construction applications. By fully implementing their pinhole insulation across all cavities, Building Envelope Materials aims to double or triple the energy savings compared to conventional weatherization methods.

7AC Technologies

Grant in 2015
7AC Technologies Inc. is a company based in Beverly, Massachusetts, that specializes in innovative HVAC solutions using a unique membrane-isolated plastic plate technology. Founded in 2009 and formerly known as 7Solar Technologies, the company focuses on developing ultra-efficient liquid desiccant systems designed for commercial and industrial buildings. These systems offer significant energy savings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. As of November 2020, 7AC Technologies operates as a subsidiary of Emerson Electric Co.

EverVest

Grant in 2015
EverVest is a provider of financial risk analysis and cash flow modeling software tailored for renewable energy investors. The company offers a web-based platform that assists banks, investors, and developers in evaluating and structuring financing for new renewable energy assets. Additionally, EverVest's software includes enterprise risk management features, enabling portfolio managers to effectively assess risks and facilitate sustainable growth within the renewable energy sector.

Essess

Series B in 2014
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.

Powerhouse Dynamics

Series B in 2014
Powerhouse Dynamics, Inc. is a technology company specializing in enterprise energy and asset management systems tailored for small commercial facilities. Founded in 2008 and based in Newton, Massachusetts, the company offers the SiteSage platform, which centralizes the control, analysis, and management of energy-consuming equipment. This cloud-based system is designed to enhance operational efficiency through powerful analytics, providing users with insights via straightforward online and mobile interfaces. SiteSage continuously improves energy efficiency by monitoring power consumption, gas, and water usage, and it enables remote management of equipment such as HVAC systems. Additionally, the platform supports food safety and utility bill management, catering to a diverse client base that includes restaurants, convenience stores, and retail establishments. Powerhouse Dynamics operates as a subsidiary of The Middleby Corporation as of April 2019.

SolarOne Solutions

Grant in 2014
SolarOne Solutions, Inc. is a company that specializes in the development and manufacturing of solar-powered lighting and generator systems for various applications globally. Based in Needham, Massachusetts, SolarOne provides a diverse range of products, including overhead lights for pathways, parking lots, and bus shelters, as well as landscape luminaires and solar kits designed for different mounting options. Their systems operate independently of the electric grid, utilizing solar panels as a power source, which ensures reliable operation even during power outages. This independence allows for flexible siting and easy installation, reducing the need for costly electrical infrastructure. SolarOne serves a wide array of customers, including college campuses, government laboratories, and municipalities, and markets its products through a network of representatives and dealers across the United States, Canada, and Mexico. Founded in 2004, SolarOne Solutions has established itself as a provider of effective off-grid solutions that can be implemented with minimal disruption and long-term reliability.

Co-op Power

Grant in 2013
Co-op Power is a multi-class, multi-racial movement for a sustainable and just energy future. It has created an innovative structure that enables communities to create community-owned clean energy products and services, businesses, and jobs. It is to research, design, capitalize, and launch their community-owned sustainable energy businesses.

Vecarius

Grant in 2013
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.

Syntha

Grant in 2012
Syntha is a developer of decision support software for optimizing electric power plant operations.

7AC Technologies

Venture Round in 2012
7AC Technologies Inc. is a company based in Beverly, Massachusetts, that specializes in innovative HVAC solutions using a unique membrane-isolated plastic plate technology. Founded in 2009 and formerly known as 7Solar Technologies, the company focuses on developing ultra-efficient liquid desiccant systems designed for commercial and industrial buildings. These systems offer significant energy savings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. As of November 2020, 7AC Technologies operates as a subsidiary of Emerson Electric Co.

Co-op Power

Grant in 2011
Co-op Power is a multi-class, multi-racial movement for a sustainable and just energy future. It has created an innovative structure that enables communities to create community-owned clean energy products and services, businesses, and jobs. It is to research, design, capitalize, and launch their community-owned sustainable energy businesses.
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