Clean Energy Ventures

Clean Energy Ventures is a venture capital firm based in Boston, Massachusetts, established in 2017. The firm specializes in seed and early-stage investments in climate technology startups, primarily in North America, Europe, and Israel. Its focus is on advanced energy innovations that address climate change, targeting sectors such as energy storage, grid connectivity, renewable energy production, clean transportation, and the water/energy nexus. Clean Energy Ventures aims to commercialize disruptive clean energy technologies and business model innovations that are ready for scaling, leveraging market-driven forces to significantly reduce global greenhouse gas emissions. The firm is composed of experienced professionals with extensive backgrounds in the energy and environmental sectors, providing not only capital but also management expertise and a robust network to support the growth of its portfolio companies.

John Bobrowich

Venture Partner

Yi-Jean Chow

Investment Principal

James Ellis

Venture Partner

Temple Fennell

Co-Founder and Managing Director

Virginia Foote

Venture Partner

Dan Goldman

Co-Founder and Managing Director

Shanbor Gupta

Principal

Michael Herzig

Venture Partner

David S. Miller

Co-Founder and Managing Director

Willy Osborn

Venture Partner

Peter Sopher

Investment Partner

Cara Tobin

Venture Partner

Jeffrey Weiss

Senior Venture Partner

Matthew Cohen

Principal

Past deals in Renewables

Advanced Ionics

Venture Round in 2025
Advanced Ionics specializes in developing advanced electrolyzer technology for the production of low-cost green hydrogen. By leveraging existing industrial infrastructure and optimizing electricity consumption, the company aims to significantly reduce the costs associated with green hydrogen production. Its technology caters to a range of industrial applications, including ammonia and fertilizer production, hydrogenation, metal fabrication, glass manufacturing, methanol synthesis, synthetic fuels, chemicals, and power generation. Through its innovative solutions, Advanced Ionics supports decarbonization efforts, helping clients eliminate carbon dioxide emissions from hydrogen production.

Transaera

Seed Round in 2024
Transaera specializes in the development of energy-efficient cooling systems aimed at minimizing energy consumption and greenhouse gas emissions. The company employs an innovative desiccant material that effectively removes moisture from the air prior to the cooling process, enhancing indoor comfort. Its solutions are designed for both residential and commercial applications, providing affordable and environmentally friendly cooling options that improve indoor climate control. By reducing the energy demands typically associated with conventional air conditioning units, Transaera's technologies support greater productivity while also alleviating strain on local grid infrastructure and contributing to a more sustainable global climate.

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. The company employs a proprietary electrochemical process that transforms carbon dioxide from the atmosphere into stable carbonate minerals, effectively storing carbon permanently. In addition to carbon capture, this process generates sulfuric acid, which is utilized in critical element extraction and fertilizer production. By recycling sulfate waste to produce sulfuric acid and minimizing chemical waste, Travertine supports more sustainable practices in the mining and fertilizer industries while generating high-quality carbon credits through its direct air capture and mineralization efforts.

Evari

Seed Round in 2024
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.

Advanced Ionics

Series A in 2023
Advanced Ionics specializes in developing advanced electrolyzer technology for the production of low-cost green hydrogen. By leveraging existing industrial infrastructure and optimizing electricity consumption, the company aims to significantly reduce the costs associated with green hydrogen production. Its technology caters to a range of industrial applications, including ammonia and fertilizer production, hydrogenation, metal fabrication, glass manufacturing, methanol synthesis, synthetic fuels, chemicals, and power generation. Through its innovative solutions, Advanced Ionics supports decarbonization efforts, helping clients eliminate carbon dioxide emissions from hydrogen production.

Carbon Upcycling

Series A in 2023
Carbon Upcycling is a carbon technology company focused on decarbonizing hard-to-abate industries. It utilizes patented technology to permanently store carbon dioxide in industrial byproducts and minerals, converting them into high-performance alternative materials for cement and concrete. This process not only reduces the carbon impact of industrial operations but also diverts materials from landfills, supporting the principles of a circular economy. Carbon Upcycling has garnered global recognition for its innovative approach, earning accolades such as the Carbon XPrize’s X-Factor award and being named one of the most investable cleantech ventures in Canada.

OxCCU

Series A in 2023
OxCCU specializes in renewable energy technology aimed at fostering a circular economy for fuels, chemicals, and plastics. The company’s innovative approach utilizes carbon dioxide extracted from the atmosphere, hydrogen sourced from water, and renewable electricity to produce sustainable fuels, chemicals, and biodegradable plastics. By doing so, OxCCU enables clients to adopt more environmentally friendly products, contributing to a more sustainable future.

VoltServer

Series B in 2023
VoltServer Inc. is a company that manufactures and supplies innovative electrical power distribution products, leveraging its patented Digital Electricity technology. This technology enables the delivery of touch-safe electricity through standard data cables, significantly improving the cost, speed, power, distance, efficiency, and flexibility of electrical installations compared to traditional methods. VoltServer's solutions are applicable in various sectors, including telecommunications, data centers, renewable energy, and electric vehicles. The company's products support wireless densification, intelligent buildings, and indoor agriculture. VoltServer began shipping its products in 2015 and has since been deployed in numerous large venues, such as sports stadiums, office buildings, hotels, and medical facilities. Founded in 2011, VoltServer is based in East Greenwich, Rhode Island, with an additional office in Basingstoke, United Kingdom.

Noon Energy

Venture Round in 2022
Noon Energy is a company based in Palo Alto, California, focused on developing innovative flow battery technology for long-duration energy storage. Founded in 2018, the company aims to make intermittent renewable energy sources, such as solar and wind, more reliable by providing on-demand power. Its rechargeable battery utilizes low-cost energy storage media that separates energy and power capacity, enabling efficient long-duration storage without the need for mining precious metals. This approach supports the scaling of renewable electricity supplies, thereby reducing reliance on fossil fuels, minimizing pollution, and lowering emissions.

Electrified Thermal Solutions

Venture Round in 2022
Electrified Thermal Solutions replace fossil fuels with renewable heat in every furnace, turbine, boiler, and kiln to decarbonize industry. Electrified Thermal Solutions started at MIT in the noisy laboratory basement of the Department of Nuclear Science and Engineering. The goal was simple: start an energy revolution. Founded in 2021, the company is based in Medford, Massachusetts.

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. The company employs a proprietary electrochemical process that transforms carbon dioxide from the atmosphere into stable carbonate minerals, effectively storing carbon permanently. In addition to carbon capture, this process generates sulfuric acid, which is utilized in critical element extraction and fertilizer production. By recycling sulfate waste to produce sulfuric acid and minimizing chemical waste, Travertine supports more sustainable practices in the mining and fertilizer industries while generating high-quality carbon credits through its direct air capture and mineralization efforts.

itselectric

Pre Seed Round in 2022
Itselectric specializes in providing curbside electric vehicle (EV) charging solutions tailored for urban environments. The company aims to enhance access to public charging, thereby promoting the adoption of electric vehicles, which contributes to cleaner air and healthier communities. By utilizing a behind-the-meter approach, Itselectric draws spare electrical supply from nearby buildings to offer affordable charging points. This innovative model not only addresses infrastructure challenges but also helps to alleviate environmental justice issues in cities. Additionally, it allows clients to generate passive income while facilitating convenient charging options for EV drivers.

Advanced Ionics

Seed Round in 2022
Advanced Ionics specializes in developing advanced electrolyzer technology for the production of low-cost green hydrogen. By leveraging existing industrial infrastructure and optimizing electricity consumption, the company aims to significantly reduce the costs associated with green hydrogen production. Its technology caters to a range of industrial applications, including ammonia and fertilizer production, hydrogenation, metal fabrication, glass manufacturing, methanol synthesis, synthetic fuels, chemicals, and power generation. Through its innovative solutions, Advanced Ionics supports decarbonization efforts, helping clients eliminate carbon dioxide emissions from hydrogen production.

Carbon Upcycling

Venture Round in 2022
Carbon Upcycling is a carbon technology company focused on decarbonizing hard-to-abate industries. It utilizes patented technology to permanently store carbon dioxide in industrial byproducts and minerals, converting them into high-performance alternative materials for cement and concrete. This process not only reduces the carbon impact of industrial operations but also diverts materials from landfills, supporting the principles of a circular economy. Carbon Upcycling has garnered global recognition for its innovative approach, earning accolades such as the Carbon XPrize’s X-Factor award and being named one of the most investable cleantech ventures in Canada.

SparkMeter

Venture Round in 2022
SparkMeter, Inc. designs electricity metering systems and grid management software aimed at enhancing electricity access in underserved markets, particularly rural areas. Founded in 2012 and based in Washington, D.C., with an office in Nairobi, Kenya, the company offers a range of metering products tailored to different customer needs, including residential and commercial users. Its solutions include the SM16R, SM60R, SM60RP, and SM200E models, which cater to various consumption levels. In addition to hardware, SparkMeter provides software solutions that facilitate prepaid billing, customer communication, and remote monitoring, thus improving grid efficiency and asset performance. By enabling utilities to automate operations, manage loads, and integrate renewable energy sources, SparkMeter helps communities access sustainable and reliable electricity.

Nth Cycle

Series A in 2022
Nth Cycle is a metal processing technology company that focuses on recovering critical minerals through innovative electro-extraction methods. It collaborates with battery recyclers and mining operations to extract production-grade minerals from e-waste and low-grade mine tailings, offering a cleaner and more customizable alternative to traditional hydrometallurgical and pyrometallurgical processes. By utilizing its advanced recycling technology, Nth Cycle aims to reduce reliance on primary mining, thereby creating a sustainable secondary source of rare earth metals in the United States. This approach supports the manufacturing and recycling industries while contributing to advancements in clean energy.

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.

REsurety

Series B in 2021
REsurety is a provider of risk management products to the buyers and sellers of clean energy. It empowers the clean energy-fueled future through better risk management. It works at the intersection of physical science, big data, and financial engineering to help our clients understand and mitigate the risks in buying and selling energy from renewable, intermittent fuel sources. It was founded in 2012 and is headquartered in Boston, Massachusetts.

Energetic Capital

Series A in 2021
Energetic Capital was created to catalyze deployment of renewable energy with a focus on sub-investment grade and unrated credit risks. Our process is faster and more scalable than any existing financing options, allowing more organizations to access and procure clean energy and efficiency solutions. We provide a comprehensive financing package that unlocks the benefits of efficient and affordable financing for renewable energy.

Leading Edge Equipment Technologies

Convertible Note in 2021
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of equipment for solar panel production. Founded in 2008 and based in Wilmington, Massachusetts, the company specializes in developing kerfless, single-crystal silicon wafers designed to enhance the efficiency and reduce the costs of solar cells and panels. Their innovative floating silicon method eliminates the need for wire-sawing large silicon ingots, utilizing less energy-intensive furnaces and resulting in higher efficiency solar cells. This technology not only lowers manufacturing costs but also reduces emissions, making it an environmentally friendly option for solar panel manufacturers. Formerly known as Leading Edge Crystal Technologies, the company rebranded in May 2020 to reflect its focus on advanced equipment technologies in the renewable energy sector.

BlueDot Photonics

Seed Round in 2021
BlueDot Photonics, Inc. is a company based in Kirkland, Washington, that designs, develops, and produces solar panels and various photonic devices. Established in 2019, the company focuses on enhancing solar panel performance and durability through innovative semiconductor materials. By improving the power output of solar panels, BlueDot Photonics aims to make clean energy more accessible and affordable for a broader range of customers.

60Hertz

Series A in 2021
60Hertz Inc is a software company that specializes in developing a computerized maintenance management system (CMMS) tailored for power plant operators and distributed energy resources, including microgrids and large-scale solar and battery storage systems. Founded in 2016 and based in Anchorage, Alaska, the company’s mobile application facilitates daily operations and maintenance tasks by offering features such as preventive and predictive maintenance planning, work order management, and performance visibility for project owners and fleet managers. The software enhances operator efficiency by providing custom maintenance checklists and integrating with monitoring platforms to create smart work orders. Additionally, 60Hertz's application supports offline functionality and allows for the validation of task completion through photo uploads, thus streamlining operations and reducing costs associated with training and diesel consumption.

Nth Cycle

Venture Round in 2021
Nth Cycle is a metal processing technology company that focuses on recovering critical minerals through innovative electro-extraction methods. It collaborates with battery recyclers and mining operations to extract production-grade minerals from e-waste and low-grade mine tailings, offering a cleaner and more customizable alternative to traditional hydrometallurgical and pyrometallurgical processes. By utilizing its advanced recycling technology, Nth Cycle aims to reduce reliance on primary mining, thereby creating a sustainable secondary source of rare earth metals in the United States. This approach supports the manufacturing and recycling industries while contributing to advancements in clean energy.

Leading Edge Equipment Technologies

Series A in 2020
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of equipment for solar panel production. Founded in 2008 and based in Wilmington, Massachusetts, the company specializes in developing kerfless, single-crystal silicon wafers designed to enhance the efficiency and reduce the costs of solar cells and panels. Their innovative floating silicon method eliminates the need for wire-sawing large silicon ingots, utilizing less energy-intensive furnaces and resulting in higher efficiency solar cells. This technology not only lowers manufacturing costs but also reduces emissions, making it an environmentally friendly option for solar panel manufacturers. Formerly known as Leading Edge Crystal Technologies, the company rebranded in May 2020 to reflect its focus on advanced equipment technologies in the renewable energy sector.

SunDensity

Seed Round in 2020
SunDensity has developed a groundbreaking Photonic Smart Coating (PSC™) technology that enables the up and down conversion of the wavelengths in white light (UV to IR) to match the desired band which can solve several in-efficiencies in photonics. By conversion of spectrum, they have developed, and field tested a patent-pending PSC™ that significantly reduces the cost of electricity generated by solar photovoltaics (PV) applications, customizes thermal and optical behavior of architectural glass, and increases the quantum efficiency of optoelectronic instruments.

SparkMeter

Series A in 2020
SparkMeter, Inc. designs electricity metering systems and grid management software aimed at enhancing electricity access in underserved markets, particularly rural areas. Founded in 2012 and based in Washington, D.C., with an office in Nairobi, Kenya, the company offers a range of metering products tailored to different customer needs, including residential and commercial users. Its solutions include the SM16R, SM60R, SM60RP, and SM200E models, which cater to various consumption levels. In addition to hardware, SparkMeter provides software solutions that facilitate prepaid billing, customer communication, and remote monitoring, thus improving grid efficiency and asset performance. By enabling utilities to automate operations, manage loads, and integrate renewable energy sources, SparkMeter helps communities access sustainable and reliable electricity.

Leading Edge Equipment Technologies

Convertible Note in 2020
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of equipment for solar panel production. Founded in 2008 and based in Wilmington, Massachusetts, the company specializes in developing kerfless, single-crystal silicon wafers designed to enhance the efficiency and reduce the costs of solar cells and panels. Their innovative floating silicon method eliminates the need for wire-sawing large silicon ingots, utilizing less energy-intensive furnaces and resulting in higher efficiency solar cells. This technology not only lowers manufacturing costs but also reduces emissions, making it an environmentally friendly option for solar panel manufacturers. Formerly known as Leading Edge Crystal Technologies, the company rebranded in May 2020 to reflect its focus on advanced equipment technologies in the renewable energy sector.

ConnectDER

Series B in 2020
ConnectDER LLC is a solar technology company based in Philadelphia, Pennsylvania, specializing in solutions that facilitate the connection of distributed energy resources, particularly solar photovoltaic systems, to residential homes and the grid. The company designs and manufactures innovative meter collars that serve as a connection point between residential electric meters and meter sockets, effectively transforming these sockets into a grid-friendly platform for solar energy, battery storage, and electric vehicle charging. Additionally, ConnectDER offers ConnectDER Cloud, a system that allows fleet operators to access metering and operational data, manage firmware, and oversee the commissioning and decommissioning of ConnectDER units. Founded in 2011 and rebranded in 2015, ConnectDER aims to simplify the integration of renewable energy technologies, benefiting both users and the broader energy grid.

Rebound Technologies

Series A in 2020
Rebound Technologies, Inc. specializes in the manufacturing and supply of advanced thermal energy storage systems tailored for commercial refrigeration and off-grid cooling applications. Founded in 2012 and based in Commerce City, Colorado, the company offers innovative products such as IcePoint, which integrates an embedded thermal energy storage system to significantly reduce cooling costs for supermarkets, and SunChill, designed for agricultural needs in developing regions. SunChill effectively converts solar thermal energy into refrigeration, enhancing agricultural productivity by rapidly cooling harvested crops and maintaining their quality at local markets. Rebound Technologies emphasizes customized solutions that utilize renewable resources and waste heat capture, aiming to improve energy efficiency and reduce costs while supporting self-sustaining business models. The company's initiatives are currently backed by research grants from the U.S. Federal Government.

ConnectDER

Series B in 2019
ConnectDER LLC is a solar technology company based in Philadelphia, Pennsylvania, specializing in solutions that facilitate the connection of distributed energy resources, particularly solar photovoltaic systems, to residential homes and the grid. The company designs and manufactures innovative meter collars that serve as a connection point between residential electric meters and meter sockets, effectively transforming these sockets into a grid-friendly platform for solar energy, battery storage, and electric vehicle charging. Additionally, ConnectDER offers ConnectDER Cloud, a system that allows fleet operators to access metering and operational data, manage firmware, and oversee the commissioning and decommissioning of ConnectDER units. Founded in 2011 and rebranded in 2015, ConnectDER aims to simplify the integration of renewable energy technologies, benefiting both users and the broader energy grid.

Rebound Technologies

Series A in 2019
Rebound Technologies, Inc. specializes in the manufacturing and supply of advanced thermal energy storage systems tailored for commercial refrigeration and off-grid cooling applications. Founded in 2012 and based in Commerce City, Colorado, the company offers innovative products such as IcePoint, which integrates an embedded thermal energy storage system to significantly reduce cooling costs for supermarkets, and SunChill, designed for agricultural needs in developing regions. SunChill effectively converts solar thermal energy into refrigeration, enhancing agricultural productivity by rapidly cooling harvested crops and maintaining their quality at local markets. Rebound Technologies emphasizes customized solutions that utilize renewable resources and waste heat capture, aiming to improve energy efficiency and reduce costs while supporting self-sustaining business models. The company's initiatives are currently backed by research grants from the U.S. Federal Government.

SparkMeter

Series A in 2019
SparkMeter, Inc. designs electricity metering systems and grid management software aimed at enhancing electricity access in underserved markets, particularly rural areas. Founded in 2012 and based in Washington, D.C., with an office in Nairobi, Kenya, the company offers a range of metering products tailored to different customer needs, including residential and commercial users. Its solutions include the SM16R, SM60R, SM60RP, and SM200E models, which cater to various consumption levels. In addition to hardware, SparkMeter provides software solutions that facilitate prepaid billing, customer communication, and remote monitoring, thus improving grid efficiency and asset performance. By enabling utilities to automate operations, manage loads, and integrate renewable energy sources, SparkMeter helps communities access sustainable and reliable electricity.

Energetic Capital

Seed Round in 2019
Energetic Capital was created to catalyze deployment of renewable energy with a focus on sub-investment grade and unrated credit risks. Our process is faster and more scalable than any existing financing options, allowing more organizations to access and procure clean energy and efficiency solutions. We provide a comprehensive financing package that unlocks the benefits of efficient and affordable financing for renewable energy.

CleanFiber

Venture Round in 2018
CleanFiber, LLC specializes in producing high-performance cellulose insulation materials made from recycled corrugated cardboard for residential and commercial construction. Founded in 2013 and based in Blasdell, New York, with an additional office in Buffalo, CleanFiber transitioned from its previous name, UltraCell Insulation, in September 2018. The company focuses on providing sustainable, carbon-negative insulation solutions that can be applied in attics, walls, and floors, catering to both new construction and retrofit projects. CleanFiber's products not only enhance fire resistance in buildings but also offer a cost-competitive alternative for construction companies, supporting environmentally friendly building practices. The company is currently expanding its production capabilities to meet growing demand.

Leading Edge Equipment Technologies

Convertible Note in 2018
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of equipment for solar panel production. Founded in 2008 and based in Wilmington, Massachusetts, the company specializes in developing kerfless, single-crystal silicon wafers designed to enhance the efficiency and reduce the costs of solar cells and panels. Their innovative floating silicon method eliminates the need for wire-sawing large silicon ingots, utilizing less energy-intensive furnaces and resulting in higher efficiency solar cells. This technology not only lowers manufacturing costs but also reduces emissions, making it an environmentally friendly option for solar panel manufacturers. Formerly known as Leading Edge Crystal Technologies, the company rebranded in May 2020 to reflect its focus on advanced equipment technologies in the renewable energy sector.

SparkMeter

Seed Round in 2018
SparkMeter, Inc. designs electricity metering systems and grid management software aimed at enhancing electricity access in underserved markets, particularly rural areas. Founded in 2012 and based in Washington, D.C., with an office in Nairobi, Kenya, the company offers a range of metering products tailored to different customer needs, including residential and commercial users. Its solutions include the SM16R, SM60R, SM60RP, and SM200E models, which cater to various consumption levels. In addition to hardware, SparkMeter provides software solutions that facilitate prepaid billing, customer communication, and remote monitoring, thus improving grid efficiency and asset performance. By enabling utilities to automate operations, manage loads, and integrate renewable energy sources, SparkMeter helps communities access sustainable and reliable electricity.

EnergySage

Series A in 2018
EnergySage, LLC is an online marketplace based in Boston, Massachusetts, specializing in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that offers educational resources and analytical tools, helping consumers identify and compare suitable clean energy solutions, including rooftop solar, battery storage, community solar, heat pumps, and electric vehicle charging. Through its service, EnergySage guides potential buyers in requesting and evaluating competitive quotes from pre-screened installers, facilitating a convenient and cost-effective shopping experience for clean energy products and services.

CleanFiber

Venture Round in 2018
CleanFiber, LLC specializes in producing high-performance cellulose insulation materials made from recycled corrugated cardboard for residential and commercial construction. Founded in 2013 and based in Blasdell, New York, with an additional office in Buffalo, CleanFiber transitioned from its previous name, UltraCell Insulation, in September 2018. The company focuses on providing sustainable, carbon-negative insulation solutions that can be applied in attics, walls, and floors, catering to both new construction and retrofit projects. CleanFiber's products not only enhance fire resistance in buildings but also offer a cost-competitive alternative for construction companies, supporting environmentally friendly building practices. The company is currently expanding its production capabilities to meet growing demand.

Energetic Capital

Convertible Note in 2017
Energetic Capital was created to catalyze deployment of renewable energy with a focus on sub-investment grade and unrated credit risks. Our process is faster and more scalable than any existing financing options, allowing more organizations to access and procure clean energy and efficiency solutions. We provide a comprehensive financing package that unlocks the benefits of efficient and affordable financing for renewable energy.

Leading Edge Equipment Technologies

Seed Round in 2017
Leading Edge Equipment Technologies, Inc. is a manufacturer and supplier of equipment for solar panel production. Founded in 2008 and based in Wilmington, Massachusetts, the company specializes in developing kerfless, single-crystal silicon wafers designed to enhance the efficiency and reduce the costs of solar cells and panels. Their innovative floating silicon method eliminates the need for wire-sawing large silicon ingots, utilizing less energy-intensive furnaces and resulting in higher efficiency solar cells. This technology not only lowers manufacturing costs but also reduces emissions, making it an environmentally friendly option for solar panel manufacturers. Formerly known as Leading Edge Crystal Technologies, the company rebranded in May 2020 to reflect its focus on advanced equipment technologies in the renewable energy sector.

VoltServer

Series A in 2015
VoltServer Inc. is a company that manufactures and supplies innovative electrical power distribution products, leveraging its patented Digital Electricity technology. This technology enables the delivery of touch-safe electricity through standard data cables, significantly improving the cost, speed, power, distance, efficiency, and flexibility of electrical installations compared to traditional methods. VoltServer's solutions are applicable in various sectors, including telecommunications, data centers, renewable energy, and electric vehicles. The company's products support wireless densification, intelligent buildings, and indoor agriculture. VoltServer began shipping its products in 2015 and has since been deployed in numerous large venues, such as sports stadiums, office buildings, hotels, and medical facilities. Founded in 2011, VoltServer is based in East Greenwich, Rhode Island, with an additional office in Basingstoke, United Kingdom.

Quidnet Energy

Seed Round in 2015
Quidnet Energy is a technology-driven energy company that powers the carbon-free electric grid. Its technology is a form of hydroelectric energy storage using time-tested well-drilling and construction technologies to pump water under pressure into subsurface geological reservoirs to store energy. When variable renewable energy is not available, this water is released to drive hydroelectric turbines to power the electric grid. The company was founded in 2013 and is based in Houston with offices in San Francisco and Saratoga Springs, New York.

REsurety

Seed Round in 2014
REsurety is a provider of risk management products to the buyers and sellers of clean energy. It empowers the clean energy-fueled future through better risk management. It works at the intersection of physical science, big data, and financial engineering to help our clients understand and mitigate the risks in buying and selling energy from renewable, intermittent fuel sources. It was founded in 2012 and is headquartered in Boston, Massachusetts.

VoltServer

Series A in 2013
VoltServer Inc. is a company that manufactures and supplies innovative electrical power distribution products, leveraging its patented Digital Electricity technology. This technology enables the delivery of touch-safe electricity through standard data cables, significantly improving the cost, speed, power, distance, efficiency, and flexibility of electrical installations compared to traditional methods. VoltServer's solutions are applicable in various sectors, including telecommunications, data centers, renewable energy, and electric vehicles. The company's products support wireless densification, intelligent buildings, and indoor agriculture. VoltServer began shipping its products in 2015 and has since been deployed in numerous large venues, such as sports stadiums, office buildings, hotels, and medical facilities. Founded in 2011, VoltServer is based in East Greenwich, Rhode Island, with an additional office in Basingstoke, United Kingdom.

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. specializes in intelligent infrastructure for energy management, focusing on transactive electric loads that enhance efficiency and reduce costs. The company develops VNet, a power management platform that coordinates distributed transactive load assets, alongside SmartBricks and SmartHydro, which are controllers for electric thermal storage heating systems. These systems manage loads from electric vehicle charging stations and compressed air systems. VCharge also provides VConsole, a web-based interface that offers control and information for users, utilities, and maintenance personnel. By aggregating and monetizing electric loads with embedded storage, VCharge enables energy arbitrage and grid services, significantly lowering energy costs for homeowners. While the technology is more prevalent in Europe, VCharge operates in North America and has established a presence in the UK. Founded in 2009 and headquartered in Providence, Rhode Island, VCharge operates as a subsidiary of OVO Energy Limited.

MyEnergy

Series A in 2011
MyEnergy operates as a personalized platform that assists households in the United States in reducing energy consumption and lowering utility bills. By accessing the free site, users can benefit from energy-saving tips, incentives, and the ability to compare their energy usage with others. The platform also enables users to set personal goals and monitor their progress, while offering rewards for successful reductions in energy bills. MyEnergy's technology incorporates advanced algorithms that analyze utility energy data, enhancing its ability to provide tailored recommendations. The service is compatible with numerous utilities nationwide and is expanding to reach over 90% of the U.S. population, making it a valuable resource for energy savings.

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.

OutSmart Power Systems

Seed Round in 2009
OutSmart has developed a solution that provides a detailed and metric driven approach to reduce energy consumption and improve your up-time on mission critical equipment. OutSmart is initially focused on grocery and convenience stores and has shown less than a year payback, identifying 5-15% in energy savings. OutSmart is not a control system– it complements that function by providing detailed information about a store’s consumption that control systems can’t get. At a high level, OutSmart is a system for comprehensive and granular electrical monitoring, but the type of data we can get can not only provides a detailed itemization of energy to baseline and track performance, it is used to understand the performance of equipment and the efficacy of control systems at a detailed level. OutSmart’s competitive advantage stems from its specialized sensor technology, data extraction techniques, and analytics platform (OSAP) which enable unparalleled depth of information, ease of installation, low cost, flexibility and extensibility. OutSmart is located in Natick Massachusetts (15 miles West of Boston) and was founded in February 2008.

PurposeEnergy

Seed Round in 2009
PurposeEnergy, Inc. specializes in providing consultative services and innovative wastewater management solutions for the food and beverage industry, particularly focusing on breweries. Founded in 2007 and based in Arlington Heights, Massachusetts, the company conducts comprehensive audits of clients' existing wastewater strategies and offers recommendations for organic waste remediation and technology enhancements. PurposeEnergy develops systems that transform organic waste into renewable energy and clean water, thereby helping clients improve production efficiency, reduce costs associated with trucking and disposal, and lower their environmental impact. Through its expertise in wastewater management, PurposeEnergy aims to assist manufacturers in optimizing their operations while promoting sustainability.
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