Clean Energy Ventures

Clean Energy Ventures, established in 2017 and based in Boston, Massachusetts, is a venture capital firm focused on investing in early-stage climate technology companies. It specializes in seed and early-stage investments, primarily in North America, Europe, and Israel. The firm concentrates on advanced energy innovations that address climate change, including energy storage, grid connectivity, renewable energy production, clean transportation, and the water/energy nexus. Clean Energy Ventures not only provides capital but also leverages its network and expertise to support these startups in achieving significant scale and commercial success.

Anne Andrew JD

Partner

Micha Ben-Naim

Investor

John Bobrowich

Venture Partner

Ben Chigier

Venture Partner

Yi-Jean Chow

Investment Principal

Yi Jean Chow

Principal

Matthew Cohen

Principal

Matt Cohen

Principal

Ted Dillon

COO

Ralph Earle III

Managing Director

James Ellis

Partner

James Ellis

Venture Partner

Temple Fennell

Co-Founder and Managing Partner

Virginia Foote

Venture Partner

Dan Goldman

Co-Founder and Managing Partner

Shanbor Gupta

Principal

Renu Gupta

Partner

John Harper

Venture Partner

Ariel Hyre

Analyst

Bradley Jones

Partner

Sven Karlsson

Partner

John Keane

Venture Partner

Tal Levy

Partner

Raffi Mardirosian

Partner

David S. Miller

Co-Founder and Managing Director

Francois Odouard

Partner

Willy Osborn

Venture Partner

Jean-Noël Poirier

Venture Partner

Wynston Reed

Investor

Wanda Reindorf

Venture Partner

Peter Schewinfurth

Partner

Louis Schick

Director of Investments

Lou Schick

Director of Investments

Peter Sopher

Investment Partner

Cara Tobin

Venture Partner

Mitchell Tyson

Venture Partner

Jeffrey Weiss

Senior Venture Partner

John Wisniewski

Partner

Amy Zhao

Investor

Zaurie Zimmerman

Partner

Kedar Gupta Ph.D

Partner

Adam de Sola Pool

Partner

David Miller Ph.D

Co-Founder and Managing Partner

Past deals in Solar Energy

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.

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.

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.

Bodhi

Seed Round in 2022
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.

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

Series A in 2021
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.

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.

SunDensity

Seed Round in 2020
SunDensity Inc. is a Boston-based company that specializes in the research, design, and development of innovative Photonic Smart Coating (PSC™) technology. Established in 2016, the company focuses on enhancing efficiencies in photonics through the up and down conversion of light wavelengths, addressing various inefficiencies in the field. SunDensity's PSC™ technology is designed to lower electricity costs generated by solar photovoltaic applications, optimize the thermal and optical properties of architectural glass, and improve the quantum efficiency of optoelectronic instruments. The company also maintains an office in Rochester, New York, where it continues to advance its groundbreaking technologies.

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.

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.

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.

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.

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.
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