Queens Carbon
Seed Round in 2025
Queens Carbon is focused on developing a hydrothermal processing technology aimed at significantly reducing energy consumption in industrial applications. The company's innovative system minimizes the energy required for calcination and material synthesis, which is crucial for carbon capture and the production of carbon-neutral cement. By enhancing energy efficiency, Queens Carbon enables industries to lower their greenhouse gas emissions, thereby contributing to sustainable development and addressing the challenges posed by climate change.
DG Matrix
Seed Round in 2025
DG Matrix is a company that specializes in innovative energy storage and solar solutions aimed at promoting the electrification of various sectors, including electric vehicles. Their offerings include single-unit L3 DC fast charging technology, designed for efficient and optimized charging solutions. DG Matrix focuses on integrating its technologies with microgrids and energy infrastructure to provide effective services for electric vehicle charging, fleet charging, and power electronics. By prioritizing reduced material usage and a smaller ecological footprint, the company aims to achieve significant emissions reductions on a large scale, making electrification more accessible and affordable for clients.
Advanced Ionics
Venture Round in 2025
Advanced Ionics specializes in innovative electrolyzer technology aimed at producing low-cost green hydrogen on-site for industrial applications. By leveraging existing industrial infrastructure and focusing on minimizing electricity consumption, the company seeks to make green hydrogen production more economical. Advanced Ionics' technology is versatile, applicable in various sectors including ammonia and fertilizer production, hydrogenation, metal fabrication, glass manufacturing, methanol synthesis, synthetic fuels, chemicals, and power generation. Through its solutions, the company supports decarbonization efforts, helping clients to significantly reduce carbon dioxide emissions associated with hydrogen production.
Electrified Thermal Solutions
Venture Round in 2024
Electrified Thermal Solutions is a Massachusetts-based company founded in 2021 that focuses on decarbonizing industrial processes by replacing fossil fuels with renewable heat. Originating from research at MIT's Department of Nuclear Science and Engineering, the company has developed innovative energy storage technology that converts intermittent renewable electricity into constant heat. This is achieved through the use of low-cost conductive ceramic blocks, allowing various industrial sectors to utilize zero-carbon heat effectively. By providing a sustainable alternative for furnaces, turbines, boilers, and kilns, Electrified Thermal Solutions aims to drive an energy revolution and significantly reduce carbon emissions in industry.
ConnectDER
Series D in 2024
ConnectDER is a solar technology company based in Philadelphia, Pennsylvania, founded in 2011. It specializes in designing and manufacturing meter collars that facilitate the connection of distributed energy resources (DERs) such as solar photovoltaic systems, battery storage, and electric vehicle charging to residential homes and the grid. By transforming the electricity meter socket into an interconnection point, ConnectDER enhances the integration and management of DERs. The company also offers ConnectDER Cloud, a system that allows fleet operators to access metering data, manage operational parameters, and control firmware remotely. This technology improves the efficiency and resilience of home energy systems while benefiting users, the grid, and the environment.
Transaera
Seed Round in 2024
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.
Ayrton Energy
Seed Round in 2024
Ayrton Energy, founded in 2021, is focused on enhancing energy security through innovative hydrogen storage technology. The company specializes in developing a dense storage medium for hydrogen, enabling its storage in liquid form. This approach allows for safer and more efficient handling and transportation of hydrogen, differentiating it from traditional fuels like gasoline. Ayrton Energy's technology facilitates the use of existing infrastructure, including tanks, rail cars, transport trucks, and pipelines, to deliver hydrogen effectively. By providing solutions for hydrogen storage and transportation, Ayrton Energy aims to support clients in utilizing hydrogen as a fuel source for power generation, thereby contributing to overall energy security.
PeakSyncer
Seed Round in 2024
PeakSyncer, a subsidiary of Zhong Xi Group, LLC, specializes in an AI-powered cloud platform designed to optimize energy management for utility companies. The platform leverages artificial intelligence to automate and streamline demand response programs, reducing peak energy loads. It offers real-time reporting, seamless data tracking, and integration with existing infrastructure, ensuring smooth implementation. PeakSyncer also facilitates compliance with regulatory requirements and supports sustainable energy ecosystems by engaging customers in demand response initiatives. The platform is scalable, continuously learning from past syncs to improve accuracy and efficiency, and offers 24/7 monitoring and dedicated support.
Travertine
Venture Round in 2024
Travertine is a company focused on carbon dioxide removal and industrial chemical production, aiming to mitigate the environmental impact associated with the extraction of elements for renewable energy. Utilizing a proprietary electrochemical process, Travertine converts carbon dioxide from the atmosphere into mineral forms while simultaneously producing sulfuric acid, which is essential for critical element extraction and fertilizer production. The company effectively recycles sulfate wastes to generate sulfuric acid, thereby minimizing chemical waste during these processes. Additionally, Travertine generates high-quality carbon credits through its direct air capture and mineralization efforts, contributing to a sustainable approach in mining and fertilizer industries.
Developer of an electrolysis equipment designed to refine minerals and desalinate water. The company's technology manufactures low-cost electrolysis equipment which is used to electrify and decarbonize the production of commodity chemicals needed to transition to a carbon-free industry, enabling companies to manufacture electrified chemicals for a carbon-free future.
Evari is a clean-tech firm developing next-generation tiny, oil-free turbocompressors for heating and cooling applications to help with the global energy transition and expedite the decarbonization of various industries.
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.
Advanced Ionics
Series A in 2023
Advanced Ionics specializes in innovative electrolyzer technology aimed at producing low-cost green hydrogen on-site for industrial applications. By leveraging existing industrial infrastructure and focusing on minimizing electricity consumption, the company seeks to make green hydrogen production more economical. Advanced Ionics' technology is versatile, applicable in various sectors including ammonia and fertilizer production, hydrogenation, metal fabrication, glass manufacturing, methanol synthesis, synthetic fuels, chemicals, and power generation. Through its solutions, the company supports decarbonization efforts, helping clients to significantly reduce carbon dioxide emissions associated with hydrogen production.
Carbon Upcycling
Series A in 2023
Carbon Upcycling is a carbon technology company focused on decarbonizing hard-to-abate industries through its patented technology. This innovation allows for the permanent storage of carbon dioxide in industrial byproducts and minerals, effectively transforming them into high-performance alternative materials for cement and concrete. By doing so, Carbon Upcycling aims to significantly reduce the carbon footprint of industrial processes while diverting materials from landfills, thereby supporting a circular economy. The company has garnered international recognition for its advancements, being awarded the Carbon XPrize’s X-Factor, named NRMCA’s 2023 Innovative Company, and included in Cleantech Group’s Global Cleantech 100 and Foresight 50’s Canada’s Most Investable Cleantech Ventures.
Nitrofix
Seed Round in 2023
NitroFix is a company focused on producing ammonia through an innovative manufacturing technology that eliminates carbon emissions. By utilizing an electrochemical reaction enhanced by a novel catalyst, NitroFix achieves a zero-carbon footprint in its ammonia generation process. This sustainable production solution not only stabilizes pricing but also facilitates local ammonia production for various applications. NitroFix positions its green ammonia as a renewable energy source, a carrier for hydrogen fuel, and a fundamental component for nitrogen fertilizers, contributing to efforts aimed at reducing the global carbon footprint.
OxCCU is a technology developer focused on facilitating a circular economy for fuels, chemicals, and plastics. It achieves this by innovating renewable energy solutions that convert atmospheric carbon dioxide into valuable products such as fuels, chemicals, and biodegradable plastics using hydrogen derived from water and renewable electricity.
ConnectDER
Series C in 2023
ConnectDER is a solar technology company based in Philadelphia, Pennsylvania, founded in 2011. It specializes in designing and manufacturing meter collars that facilitate the connection of distributed energy resources (DERs) such as solar photovoltaic systems, battery storage, and electric vehicle charging to residential homes and the grid. By transforming the electricity meter socket into an interconnection point, ConnectDER enhances the integration and management of DERs. The company also offers ConnectDER Cloud, a system that allows fleet operators to access metering data, manage operational parameters, and control firmware remotely. This technology improves the efficiency and resilience of home energy systems while benefiting users, the grid, and the environment.
VoltServer
Series B in 2023
VoltServer Inc. is a manufacturer of innovative power distribution products utilizing its patented Digital Electricity technology. Founded in 2011 and headquartered in East Greenwich, Rhode Island, with an additional office in Basingstoke, United Kingdom, the company specializes in delivering touch-safe electricity through standard data cables. This approach significantly enhances the speed, power, distance, efficiency, and flexibility of electrical installations compared to traditional methods. VoltServer's solutions cater to various sectors, including telecommunications, data centers, renewable energy, and electric vehicles, and are designed for applications such as wireless densification, intelligent building management, and indoor agriculture. Since launching its products in 2015, VoltServer's technology has been successfully deployed in numerous large venues and buildings, providing essential 4G/LTE mobile services and transforming how electrical energy is distributed.
Noon Energy
Venture Round in 2022
Noon Energy is a Palo Alto, California-based company founded in 2018 that focuses on developing innovative flow battery technology for economical long-duration energy storage. This technology is designed to convert intermittent renewable electricity, such as solar and wind energy, into on-demand power, allowing for a more reliable energy supply. Noon Energy's rechargeable batteries utilize low-cost storage media that decouples energy and power capacity, providing long-duration storage while eliminating the need for mining precious metals. By enabling customers to scale up the use of renewable electricity, Noon Energy aims to reduce reliance on fossil fuels, as well as decrease pollution and emissions associated with energy production.
Electrified Thermal Solutions
Venture Round in 2022
Electrified Thermal Solutions is a Massachusetts-based company founded in 2021 that focuses on decarbonizing industrial processes by replacing fossil fuels with renewable heat. Originating from research at MIT's Department of Nuclear Science and Engineering, the company has developed innovative energy storage technology that converts intermittent renewable electricity into constant heat. This is achieved through the use of low-cost conductive ceramic blocks, allowing various industrial sectors to utilize zero-carbon heat effectively. By providing a sustainable alternative for furnaces, turbines, boilers, and kilns, Electrified Thermal Solutions aims to drive an energy revolution and significantly reduce carbon emissions in industry.
Travertine
Seed Round in 2022
Travertine is a company focused on carbon dioxide removal and industrial chemical production, aiming to mitigate the environmental impact associated with the extraction of elements for renewable energy. Utilizing a proprietary electrochemical process, Travertine converts carbon dioxide from the atmosphere into mineral forms while simultaneously producing sulfuric acid, which is essential for critical element extraction and fertilizer production. The company effectively recycles sulfate wastes to generate sulfuric acid, thereby minimizing chemical waste during these processes. Additionally, Travertine generates high-quality carbon credits through its direct air capture and mineralization efforts, contributing to a sustainable approach in mining and fertilizer industries.
itselectric
Pre Seed Round in 2022
Itselectric specializes in providing curbside electric vehicle (EV) charging solutions tailored for urban environments, aiming to facilitate the widespread adoption of electric vehicles. The company addresses infrastructure challenges by offering affordable public charging services that enhance access to charging stations. Utilizing a behind-the-meter approach, Itselectric draws excess electrical supply from nearby buildings, allowing property owners to benefit financially while contributing to a cleaner environment. By increasing the availability of EV charging points, Itselectric supports the transition to electric vehicles, promoting healthier communities with improved air quality.
Advanced Ionics
Seed Round in 2022
Advanced Ionics specializes in innovative electrolyzer technology aimed at producing low-cost green hydrogen on-site for industrial applications. By leveraging existing industrial infrastructure and focusing on minimizing electricity consumption, the company seeks to make green hydrogen production more economical. Advanced Ionics' technology is versatile, applicable in various sectors including ammonia and fertilizer production, hydrogenation, metal fabrication, glass manufacturing, methanol synthesis, synthetic fuels, chemicals, and power generation. Through its solutions, the company supports decarbonization efforts, helping clients to significantly reduce carbon dioxide emissions associated with hydrogen production.
Carbon Upcycling
Venture Round in 2022
Carbon Upcycling is a carbon technology company focused on decarbonizing hard-to-abate industries through its patented technology. This innovation allows for the permanent storage of carbon dioxide in industrial byproducts and minerals, effectively transforming them into high-performance alternative materials for cement and concrete. By doing so, Carbon Upcycling aims to significantly reduce the carbon footprint of industrial processes while diverting materials from landfills, thereby supporting a circular economy. The company has garnered international recognition for its advancements, being awarded the Carbon XPrize’s X-Factor, named NRMCA’s 2023 Innovative Company, and included in Cleantech Group’s Global Cleantech 100 and Foresight 50’s Canada’s Most Investable Cleantech Ventures.
SparkMeter
Venture Round in 2022
SparkMeter Inc., established in 2012 with headquarters in Washington D.C. and an office in Nairobi, Kenya, specializes in developing electricity metering systems tailored for rural and central utilities in developing markets. The company offers a range of products including SM16R, SM60R, SM60RP, and SM200E meters, catering to residential, large residential, medium commercial, and post-paid customers respectively. Additionally, SparkMeter provides software solutions that enhance grid efficiency, enable microgrids, facilitate prepaid billing, improve customer communications, and allow remote monitoring and control for utilities operating in remote areas.
Nth Cycle
Series A in 2022
Nth Cycle is a metal processing technology company focused on recovering critical minerals from e-waste and low-grade mine tailings. Utilizing its innovative electro-extraction technology, Nth Cycle offers a cleaner and customizable alternative to traditional methods such as hydrometallurgy and pyrometallurgy. This technology allows for the efficient reclamation of valuable metals, thereby reducing reliance on primary mining and establishing a secure secondary source of these essential materials within the United States. By enabling the manufacturing and recycling industries to access new metal sources, Nth Cycle plays a crucial role in supporting the transition to clean energy.
Bodhi's mission is to cultivate the bond between people and the energy that powers their lives. Our software platform empowers solar companies to deliver amazing customer experiences with ease. Bodhi automates communication and personalizes the homeowners’ experience, so that installers can focus on what they do best - executing projects, making more sales, and transforming communities around energy.
REsurety, Inc. is a risk transfer intermediary focused on enhancing the profitability of wind power projects through innovative risk management solutions. Founded in 2012 and based in Boston, Massachusetts, the company specializes in providing data, analytics, and related services that help clients evaluate, quantify, and optimize the value of wind volume hedging. By streamlining the process of risk transfer, REsurety supports wind project developers, owners, and financial underwriters in effectively managing the inherent risks associated with renewable energy investments. The company's technology integrates physical science, big data, and financial engineering, enabling clients to make informed decisions that maximize the resilience and sustainability of clean energy projects.
Energetic Capital
Series A in 2021
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.
Leading Edge Equipment Technologies
Convertible Note in 2021
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of advanced equipment for solar panel production, specializing in single-crystal silicon wafers. Established in 2008 and based in Wilmington, Massachusetts, the company has developed a kerfless method that significantly reduces the costs associated with producing silicon wafers while increasing the efficiency of solar panels. This innovative process eliminates the need for wire-sawing large silicon ingots and utilizes less energy-intensive furnaces, resulting in higher efficiency solar cells and reduced carbon emissions. By offering a solution that integrates seamlessly into existing manufacturing processes, Leading Edge Equipment Technologies enables solar cell and panel manufacturers to enhance their products' power output without requiring substantial changes to their operations. The company, which rebranded from Leading Edge Crystal Technologies in May 2020, continues to advance technologies that support the growth of sustainable energy solutions.
BlueDot Photonics
Seed Round in 2021
BlueDot Photonics, Inc. is a company based in Kirkland, Washington, that specializes in the design, development, and production of solar panels and other photonic devices. Incorporated in 2019, BlueDot focuses on enhancing the performance and durability of solar energy devices. By utilizing innovative semiconductor materials, the company aims to increase the power output of solar panels, making clean energy more accessible and affordable for a broader range of customers.
60Hertz Inc. is a company that designs and develops mobile application software specifically for power plant operators, focusing on the management of energy assets and maintenance tasks. Established in 2016 and based in Anchorage, Alaska, the company's computerized maintenance management system (CMMS) supports operators of distributed energy resources, including microgrids and large-scale solar and battery energy storage systems. The software features custom preventative maintenance checklists, scheduling for corrective work, and integration with monitoring platforms, which allows for the creation of smart work orders and condition-based maintenance. Additionally, it enhances operational efficiency by validating task completion through photo uploads, streamlining work order placement, and providing visibility into operations. By enabling operators to make data-informed decisions, 60Hertz aims to reduce operating costs and enhance asset longevity while improving workforce retention and reducing training expenses.
Nth Cycle
Venture Round in 2021
Nth Cycle is a metal processing technology company focused on recovering critical minerals from e-waste and low-grade mine tailings. Utilizing its innovative electro-extraction technology, Nth Cycle offers a cleaner and customizable alternative to traditional methods such as hydrometallurgy and pyrometallurgy. This technology allows for the efficient reclamation of valuable metals, thereby reducing reliance on primary mining and establishing a secure secondary source of these essential materials within the United States. By enabling the manufacturing and recycling industries to access new metal sources, Nth Cycle plays a crucial role in supporting the transition to clean energy.
Cleartrace
Series A in 2020
ClearTrace is a software company established in 2017 and headquartered in Austin, Texas, that specializes in automated energy and carbon accounting for various stakeholders, including investors, enterprises, and real estate owners. The company's technology creates accurate and verifiable emissions data, enabling clients to substantiate their claims related to carbon reductions, sustainability, and renewable energy. By providing a robust digital infrastructure, ClearTrace helps prevent greenwashing and serves as a reliable source of truth for corporate decarbonization efforts. Its solutions aim to accelerate and scale renewable energy production while ensuring that organizations can meet their sustainability goals effectively.
Leading Edge Equipment Technologies
Series A in 2020
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of advanced equipment for solar panel production, specializing in single-crystal silicon wafers. Established in 2008 and based in Wilmington, Massachusetts, the company has developed a kerfless method that significantly reduces the costs associated with producing silicon wafers while increasing the efficiency of solar panels. This innovative process eliminates the need for wire-sawing large silicon ingots and utilizes less energy-intensive furnaces, resulting in higher efficiency solar cells and reduced carbon emissions. By offering a solution that integrates seamlessly into existing manufacturing processes, Leading Edge Equipment Technologies enables solar cell and panel manufacturers to enhance their products' power output without requiring substantial changes to their operations. The company, which rebranded from Leading Edge Crystal Technologies in May 2020, continues to advance technologies that support the growth of sustainable energy solutions.
SparkMeter
Series A in 2020
SparkMeter Inc., established in 2012 with headquarters in Washington D.C. and an office in Nairobi, Kenya, specializes in developing electricity metering systems tailored for rural and central utilities in developing markets. The company offers a range of products including SM16R, SM60R, SM60RP, and SM200E meters, catering to residential, large residential, medium commercial, and post-paid customers respectively. Additionally, SparkMeter provides software solutions that enhance grid efficiency, enable microgrids, facilitate prepaid billing, improve customer communications, and allow remote monitoring and control for utilities operating in remote areas.
Leading Edge Equipment Technologies
Convertible Note in 2020
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of advanced equipment for solar panel production, specializing in single-crystal silicon wafers. Established in 2008 and based in Wilmington, Massachusetts, the company has developed a kerfless method that significantly reduces the costs associated with producing silicon wafers while increasing the efficiency of solar panels. This innovative process eliminates the need for wire-sawing large silicon ingots and utilizes less energy-intensive furnaces, resulting in higher efficiency solar cells and reduced carbon emissions. By offering a solution that integrates seamlessly into existing manufacturing processes, Leading Edge Equipment Technologies enables solar cell and panel manufacturers to enhance their products' power output without requiring substantial changes to their operations. The company, which rebranded from Leading Edge Crystal Technologies in May 2020, continues to advance technologies that support the growth of sustainable energy solutions.
ConnectDER
Series B in 2020
ConnectDER is a solar technology company based in Philadelphia, Pennsylvania, founded in 2011. It specializes in designing and manufacturing meter collars that facilitate the connection of distributed energy resources (DERs) such as solar photovoltaic systems, battery storage, and electric vehicle charging to residential homes and the grid. By transforming the electricity meter socket into an interconnection point, ConnectDER enhances the integration and management of DERs. The company also offers ConnectDER Cloud, a system that allows fleet operators to access metering data, manage operational parameters, and control firmware remotely. This technology improves the efficiency and resilience of home energy systems while benefiting users, the grid, and the environment.
Rebound Technologies
Series A in 2020
Rebound Technologies, Inc. is a manufacturer of innovative thermal energy storage systems aimed at enhancing refrigeration efficiency in commercial and agricultural settings. Founded in 2012 and headquartered in Commerce City, Colorado, the company specializes in two main products: IcePoint and SunChill. IcePoint employs a refrigeration cycle with embedded thermal energy storage, which allows supermarkets to significantly reduce their low-temperature cooling costs. SunChill provides an off-grid refrigeration solution that effectively cools agricultural products immediately after harvest and maintains their quality in local markets and processing facilities. Rebound Technologies is dedicated to developing tailored, thermally-driven heat pump architectures that utilize renewable resources and waste heat capture, promoting cost-effective and practical solutions for refrigeration. By focusing on customized technologies rather than a one-size-fits-all approach, the company aims to lower the costs of efficient systems and foster self-sustaining business models that contribute to job creation.
ConnectDER
Series B in 2019
ConnectDER is a solar technology company based in Philadelphia, Pennsylvania, founded in 2011. It specializes in designing and manufacturing meter collars that facilitate the connection of distributed energy resources (DERs) such as solar photovoltaic systems, battery storage, and electric vehicle charging to residential homes and the grid. By transforming the electricity meter socket into an interconnection point, ConnectDER enhances the integration and management of DERs. The company also offers ConnectDER Cloud, a system that allows fleet operators to access metering data, manage operational parameters, and control firmware remotely. This technology improves the efficiency and resilience of home energy systems while benefiting users, the grid, and the environment.
Rebound Technologies
Series A in 2019
Rebound Technologies, Inc. is a manufacturer of innovative thermal energy storage systems aimed at enhancing refrigeration efficiency in commercial and agricultural settings. Founded in 2012 and headquartered in Commerce City, Colorado, the company specializes in two main products: IcePoint and SunChill. IcePoint employs a refrigeration cycle with embedded thermal energy storage, which allows supermarkets to significantly reduce their low-temperature cooling costs. SunChill provides an off-grid refrigeration solution that effectively cools agricultural products immediately after harvest and maintains their quality in local markets and processing facilities. Rebound Technologies is dedicated to developing tailored, thermally-driven heat pump architectures that utilize renewable resources and waste heat capture, promoting cost-effective and practical solutions for refrigeration. By focusing on customized technologies rather than a one-size-fits-all approach, the company aims to lower the costs of efficient systems and foster self-sustaining business models that contribute to job creation.
Leading Edge Equipment Technologies
Seed Round in 2019
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of advanced equipment for solar panel production, specializing in single-crystal silicon wafers. Established in 2008 and based in Wilmington, Massachusetts, the company has developed a kerfless method that significantly reduces the costs associated with producing silicon wafers while increasing the efficiency of solar panels. This innovative process eliminates the need for wire-sawing large silicon ingots and utilizes less energy-intensive furnaces, resulting in higher efficiency solar cells and reduced carbon emissions. By offering a solution that integrates seamlessly into existing manufacturing processes, Leading Edge Equipment Technologies enables solar cell and panel manufacturers to enhance their products' power output without requiring substantial changes to their operations. The company, which rebranded from Leading Edge Crystal Technologies in May 2020, continues to advance technologies that support the growth of sustainable energy solutions.
SparkMeter
Series A in 2019
SparkMeter Inc., established in 2012 with headquarters in Washington D.C. and an office in Nairobi, Kenya, specializes in developing electricity metering systems tailored for rural and central utilities in developing markets. The company offers a range of products including SM16R, SM60R, SM60RP, and SM200E meters, catering to residential, large residential, medium commercial, and post-paid customers respectively. Additionally, SparkMeter provides software solutions that enhance grid efficiency, enable microgrids, facilitate prepaid billing, improve customer communications, and allow remote monitoring and control for utilities operating in remote areas.
Energetic Capital
Seed Round in 2019
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.
CleanFiber
Venture Round in 2018
CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.
Leading Edge Equipment Technologies
Convertible Note in 2018
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of advanced equipment for solar panel production, specializing in single-crystal silicon wafers. Established in 2008 and based in Wilmington, Massachusetts, the company has developed a kerfless method that significantly reduces the costs associated with producing silicon wafers while increasing the efficiency of solar panels. This innovative process eliminates the need for wire-sawing large silicon ingots and utilizes less energy-intensive furnaces, resulting in higher efficiency solar cells and reduced carbon emissions. By offering a solution that integrates seamlessly into existing manufacturing processes, Leading Edge Equipment Technologies enables solar cell and panel manufacturers to enhance their products' power output without requiring substantial changes to their operations. The company, which rebranded from Leading Edge Crystal Technologies in May 2020, continues to advance technologies that support the growth of sustainable energy solutions.
SparkMeter
Seed Round in 2018
SparkMeter Inc., established in 2012 with headquarters in Washington D.C. and an office in Nairobi, Kenya, specializes in developing electricity metering systems tailored for rural and central utilities in developing markets. The company offers a range of products including SM16R, SM60R, SM60RP, and SM200E meters, catering to residential, large residential, medium commercial, and post-paid customers respectively. Additionally, SparkMeter provides software solutions that enhance grid efficiency, enable microgrids, facilitate prepaid billing, improve customer communications, and allow remote monitoring and control for utilities operating in remote areas.
EnergySage
Series A in 2018
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.
CleanFiber
Venture Round in 2018
CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.
Energetic Capital
Convertible Note in 2017
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.
Leading Edge Equipment Technologies
Seed Round in 2017
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of advanced equipment for solar panel production, specializing in single-crystal silicon wafers. Established in 2008 and based in Wilmington, Massachusetts, the company has developed a kerfless method that significantly reduces the costs associated with producing silicon wafers while increasing the efficiency of solar panels. This innovative process eliminates the need for wire-sawing large silicon ingots and utilizes less energy-intensive furnaces, resulting in higher efficiency solar cells and reduced carbon emissions. By offering a solution that integrates seamlessly into existing manufacturing processes, Leading Edge Equipment Technologies enables solar cell and panel manufacturers to enhance their products' power output without requiring substantial changes to their operations. The company, which rebranded from Leading Edge Crystal Technologies in May 2020, continues to advance technologies that support the growth of sustainable energy solutions.
Pika Energy
Series A in 2016
Pika Energy, Inc. is a manufacturer based in Westbrook, Maine, specializing in the development and production of renewable energy technologies for the residential market. Founded in 2010 by engineers from MIT, the company offers a range of products, including small wind turbines, high-efficiency bidirectional inverters, charge controllers, and solar optimizers. Its patented REbus DC Nanogrid technology facilitates efficient power transmission and integration of various energy sources, allowing homes to collect, store, and utilize clean energy. Pika Energy's products are designed and manufactured in the United States, using domestic materials, and are marketed through a network of trained dealers and installers across North America. The company operates as a subsidiary of Generac Holdings Inc.
VoltServer
Series A in 2015
VoltServer Inc. is a manufacturer of innovative power distribution products utilizing its patented Digital Electricity technology. Founded in 2011 and headquartered in East Greenwich, Rhode Island, with an additional office in Basingstoke, United Kingdom, the company specializes in delivering touch-safe electricity through standard data cables. This approach significantly enhances the speed, power, distance, efficiency, and flexibility of electrical installations compared to traditional methods. VoltServer's solutions cater to various sectors, including telecommunications, data centers, renewable energy, and electric vehicles, and are designed for applications such as wireless densification, intelligent building management, and indoor agriculture. Since launching its products in 2015, VoltServer's technology has been successfully deployed in numerous large venues and buildings, providing essential 4G/LTE mobile services and transforming how electrical energy is distributed.
Solantro Semiconductor
Venture Round in 2015
Solantro Semiconductor Corp. is a Canadian semiconductor company established in 2009, specializing in the design and manufacture of integrated circuits for grid applications, particularly within the renewable energy sector. The company develops a range of products, including analog power managers, DC-DC power optimizers, and micro-inverter controllers, which are essential for converting solar energy into usable power. Their chipsets enhance solar panels, enabling them to function as integrated power generators. Solantro's technology supports various applications, including intelligent photovoltaic module safety disconnects and battery chargers, while also offering software development tools for system integration. The company serves clients in power electronics, smart grid, and renewable energy industries, providing semiconductor-based architectures that facilitate the measurement, processing, and management of power from distributed energy resources.
Quidnet Energy
Seed Round in 2015
Quidnet Energy Inc. is a technology-driven energy company based in Houston, Texas, with additional offices in San Francisco and Saratoga Springs, New York. Founded in 2013, the company specializes in developing grid-scale energy storage systems that utilize innovative hydroelectric storage technology. Quidnet's approach involves pumping and storing water under pressure in subsurface geological reservoirs. This stored energy is released when needed to drive hydroelectric turbines, thus generating electricity to support the carbon-free electric grid, particularly during times when renewable energy sources are insufficient. Through its advanced use of well-drilling and construction techniques, Quidnet Energy aims to enhance energy reliability and sustainability.
Skystream Markets
Series A in 2014
Skystream Markets Inc. operates as an institutional transaction platform for the environmental markets in the United States and internationally. Its platform offers automation in the trade cycle, including execution, trade capture, processing, and reporting. The company also acts as a neutral intermediary for market participants in the environmental markets; provides client support, which includes structuring customized physical and financial hedging strategies in the spot, option, and forward markets; and builds auctions and electronic markets for the primary and secondary markets in renewable energy certificate (REC) markets. In addition, Skystream Markets offers transaction services in REC markets. Further, the company operates a trading platform that connects pools of capital with renewable power projects through an electronic process. It serves power producers and major trading counterparties. Skystream Markets was founded in 2009 and is based in New York, New York with a sales office in Boston, Massachusetts.
REsurety
Seed Round in 2014
REsurety, Inc. is a risk transfer intermediary focused on enhancing the profitability of wind power projects through innovative risk management solutions. Founded in 2012 and based in Boston, Massachusetts, the company specializes in providing data, analytics, and related services that help clients evaluate, quantify, and optimize the value of wind volume hedging. By streamlining the process of risk transfer, REsurety supports wind project developers, owners, and financial underwriters in effectively managing the inherent risks associated with renewable energy investments. The company's technology integrates physical science, big data, and financial engineering, enabling clients to make informed decisions that maximize the resilience and sustainability of clean energy projects.
REsurety
Seed Round in 2014
REsurety, Inc. is a risk transfer intermediary focused on enhancing the profitability of wind power projects through innovative risk management solutions. Founded in 2012 and based in Boston, Massachusetts, the company specializes in providing data, analytics, and related services that help clients evaluate, quantify, and optimize the value of wind volume hedging. By streamlining the process of risk transfer, REsurety supports wind project developers, owners, and financial underwriters in effectively managing the inherent risks associated with renewable energy investments. The company's technology integrates physical science, big data, and financial engineering, enabling clients to make informed decisions that maximize the resilience and sustainability of clean energy projects.
VoltServer
Series A in 2013
VoltServer Inc. is a manufacturer of innovative power distribution products utilizing its patented Digital Electricity technology. Founded in 2011 and headquartered in East Greenwich, Rhode Island, with an additional office in Basingstoke, United Kingdom, the company specializes in delivering touch-safe electricity through standard data cables. This approach significantly enhances the speed, power, distance, efficiency, and flexibility of electrical installations compared to traditional methods. VoltServer's solutions cater to various sectors, including telecommunications, data centers, renewable energy, and electric vehicles, and are designed for applications such as wireless densification, intelligent building management, and indoor agriculture. Since launching its products in 2015, VoltServer's technology has been successfully deployed in numerous large venues and buildings, providing essential 4G/LTE mobile services and transforming how electrical energy is distributed.
Skystream Markets
Series A in 2012
Skystream Markets Inc. operates as an institutional transaction platform for the environmental markets in the United States and internationally. Its platform offers automation in the trade cycle, including execution, trade capture, processing, and reporting. The company also acts as a neutral intermediary for market participants in the environmental markets; provides client support, which includes structuring customized physical and financial hedging strategies in the spot, option, and forward markets; and builds auctions and electronic markets for the primary and secondary markets in renewable energy certificate (REC) markets. In addition, Skystream Markets offers transaction services in REC markets. Further, the company operates a trading platform that connects pools of capital with renewable power projects through an electronic process. It serves power producers and major trading counterparties. Skystream Markets was founded in 2009 and is based in New York, New York with a sales office in Boston, Massachusetts.
VCharge
Seed Round in 2011
VCharge, Inc. is a technology company that specializes in intelligent infrastructure for managing transactive electric loads, primarily across Maine, Massachusetts, Pennsylvania, and expanding into international markets such as Germany, Ireland, and the United Kingdom. Founded in 2009 and headquartered in Providence, Rhode Island, VCharge develops the VNet power management platform, which coordinates the activities of distributed transactive load assets. The company also provides SmartBricks and SmartHydro, controllers for electric thermal storage heating systems, and VConsole, a web-based interface for users and utilities. VCharge focuses on retrofitting existing electric thermal storage systems, which are more common in Europe, to enhance energy efficiency and reduce costs for homeowners. Through energy arbitrage and grid services, VCharge helps users save significantly on heating costs while contributing to the stability and efficiency of the electric grid, particularly as the energy landscape shifts towards greater reliance on renewable sources.
MyEnergy is a company dedicated to helping households across the United States reduce energy consumption and save on utility bills. It offers a free platform where users can access personalized energy-saving tips and incentives, compare their energy usage with others, and set goals to track their progress. The platform includes algorithms that collect and analyze utility energy data to provide tailored recommendations. Additionally, users can earn rewards for successfully lowering their energy bills. MyEnergy is compatible with hundreds of utilities nationwide and aims to serve over 90% of the U.S. population.
Next Step Living
Series B in 2010
Next Step Living provides home energy evaluations and solutions for individuals and organizations. It offers energy assessment and diagnostics, air sealing and insulation, and multi-family retrofit services. The company also provides customized solutions, such as HVAC repair and replacement, window replacement and installation, solar or geothermal systems installation, building automation, interior and exterior lighting design, and custom retrofit services. Its sustainability solutions include water efficiency and purification, landscape design and management, and indoor air quality services. The company provides assessment and diagnostic processes to heating and cooling, domestic hot water, and electricity and lighting needs. Next Step Living partners with more than 400 municipalities, civic organizations, contractors, and corporations to deliver energy-efficient and environmental-friendly solutions to its customers. Those solutions include home energy assessments, weatherization work, energy-efficient windows, efficient heating, and cooling solutions, and access to solar solutions. Next Step Living was founded in 2008 by Geoff Chapin and is based in Boston, Massachusetts.
PurposeEnergy
Seed Round in 2009
PurposeEnergy, Inc. specializes in providing consultative services and wastewater management solutions primarily for the food and beverage industry. Established in 2007 and headquartered in Woburn, Massachusetts, the company conducts comprehensive audits of clients' wastewater strategies and offers tailored recommendations for organic waste remediation and technology enhancements. PurposeEnergy develops advanced wastewater systems that convert organic residuals into renewable energy and clean water. This innovative approach helps clients improve production efficiency, reduce costs associated with trucking and off-site waste disposal, lower energy and water expenses, and minimize their carbon footprint.
Exterra Carbon Solutions is a pioneering technology company focused on mitigating climate change by developing innovative solutions for durable CO2 storage. They specialize in transforming mineral waste into large-scale carbon sinks through accelerated natural weathering processes, enabling permanent and verifiable storage of captured CO2 emissions from industrial emitters or direct capture companies. Exterra's platform generates trusted carbon credits that align with international standards and accounting frameworks for various CO2 mineralization technologies.