Boston · Pre-Seed–Series A · 51 people tracked
Investment thesis
CEVG backs early-stage climate tech start-ups with seed capital combined with hands-on operating expertise from its 35+ partners, who bring experience in finance, product commercialization, team building, technology development, and fundraising. Many partners are former entrepreneurs who serve as advisors and sounding boards to founders. The group works closely with its sister firm Clean Energy Ventures (CEV) to source deals, conduct due diligence, and provide follow-on funding, mentoring companies as they grow. CEVG also collaborates with incubators, accelerators, industry groups, corporate partners, and advocacy organizations, and emphasizes diversity, equity, and inclusion in its pipeline, portfolio, and community.
Source: firm website, verified Aug 3, 2026.
Team · 51 people
from the firm's website & curated
Founder mafia
5 people who came through Clean Energy Venture went on to found or lead other companies.
What they invest in
from 43 of 59 portfolio companiesCleantech ×34Energy ×28Climate Tech ×17Hardware ×12New Materials ×9Circular Economy ×7Deep Tech ×7Advanced Manufacturing ×6
HQs:United States×44Canada×1
Who they back
founder profiles across 25 portfolio companiesFounding team size:solo founder×122 founders×93 founders×4
Accelerator rootsportfolio companies that came through a program
Investments · 59 tracked
founders shown can be your intro pathBy year:2026 · 32025 · 12024 · 12023 · 12022 · 42021 · 42019 · 22018 · 32016 · 22015 · 122 dated
Aqua Membranes makes precision-printed elements for industrial reverse osmosis (RO) systems, designed to increase production, lower energy costs, reduce cleaning cycles, and improve recovery without retrofits.
Advanced ManufacturingCleantechHardwareNew MaterialsAlbuquerque, US
Rodney Herrington(Founder)Craig Beckman(CEO)Christopher Kurth(Chief Technology Officer)Rick Sanders(Director)Michael Reardon(Director)Stuart Schoenmann(Director)
Board seatTemple Fennell· per SEC Form D
Co-investorsBURNT ISLAND VENTURESClean Energy VenturesHelios Climate VenturesNovaCapitalCycle CapitalMicron Ventures
Calgary
Board seatDaniel Goldman· per SEC Form D · $26.1M raise · filed Jul 2023
Co-investorsAmplify Capital
ConnectDER makes meter socket adapters (meter collars) that connect residential solar, battery, and EV charging systems directly at the electric meter, avoiding panel upgrades and complex electrical work.
CleantechClimate TechEnergyHardwarePhiladelphia, US
Whitman Fulton(Executive Officer, Director)inIvo Steklac(Executive Officer, Director)inMark Gustafson(Director)
BoardRajan Gupta(Director)Matt Coleman(Director)
Board seatDaniel Goldman· per SEC Form D
Co-investorsBlackRockTemasekClean Energy VenturesEvergy VenturesLG Technology VenturesMassMutual Ventures+2 more
Boulder, US
Board seatNora Mead Brownell· per SEC Form D · $8M raise · filed Mar 2022
Co-investorsMoonshots Capital
Developer of electrically conductive firebricks for ultra-high temperature electrification, replacing natural gas boilers in steelmaking, cement, glass, and chemicals.
Medford, US
Joey Kabel(Executive Officer, Director)Daniel Stack(Executive Officer, Director)
BoardHector Abruna(Director)in
Board seatDaniel Goldman· per SEC Form D · $20M raise · filed Feb 2025
Co-investorsGVP ClimateClean Energy Ventures
Sebastopol, US
Jason Mitchell(Executive Officer, Director)Nick Grafton(Executive Officer, Director)Ian deQueiroz(Executive Officer, Director)Bruce Valentine, Jr.(Executive Officer)G. Scott Greenburg(Executive Officer, Director)Jonathan Visser(Executive Officer)
Board seatMerrick G. Andlinger· per SEC Form D · $396.2K raise · filed Jan 2021
Maple Lawn, US
Keith B. Alexander(Executive Officer, Director)
Board seatJohn Keane· per SEC Form D · $80.2M raise · filed Apr 2020
Co-investorsForgePoint Cybersecurity
Mclean, US
Board seatJohn Keane· per SEC Form D · $175M raise · filed Feb 2022
Gloucester, US
Alison Greenlee(Executive Officer, Director)David Buzby(Director)Pieter Wolters(Director)
Board seatKedar GuptaMitch Tyson· per SEC Form D · $1.7M raise · filed Jul 2019
LineVision provides a grid intelligence platform offering Dynamic Line Ratings and situational awareness for electric utilities, using contactless edge sensors to monitor transmission lines and forecast capacity.
CleantechEnergyIoTSomerville, US
Jonathan Marmillo(Executive Officer)G. Hudson Gilmer(Executive Officer, Director, Promoter)inHudson Gilmer(Co-founder, Chair of the Board)inVishal Kapadia(Chief Executive Officer)inJohn Biasi(Chief Technical Officer)inMatt Mitchell(Chief Financial Officer)in
Board seatDaniel Goldman· per SEC Form D
Co-investorsNational Grid PartnersClean Energy VenturesClimate Innovation CapitalS2G InvestmentsUP PartnersMarubeni
MacroCycle uses a proprietary chemical process called SolvoGenesis, based on solvent systems and macrocyclic chemistry, to convert textile waste into pure polyester resin at low cost.
Circular EconomyCleantechNew MaterialsCambridge, US
Stwart Peña Feliz(Executive Officer, Director)inJan-Georg Rosenboom(Executive Officer, Director)
BoardCatia Cesari(Director)
Board seatTemple Fennell· per SEC Form D · $3M raise · filed Mar 2026
Co-investorsCircular Innovation FundNeotribe VenturesVolta CircleClean Energy VenturesCycle CapitalKdT Ventures
Critical minerals midstream refining company building modular technology to convert industrial scrap, black mass and primary feeds into refined nickel, cobalt, copper and rare earth products for Western supply chains.
Burlington, US
Megan O'Connor(Executive Officer, Director)inGabi Knesel(Executive Officer)
BoardRaffi Freeman(Executive Officer)inEdward Meir(Director)Joseph Goodman(Director)inBrian Baynes(Director)in
Board seatDaniel Goldman· per SEC Form D · $15M raise · filed May 2026
Co-investorsAutodesk FoundationBroadscaleClean Energy VenturesMuus Climate PartnersVoLo Earth VenturesEquinor Ventures+1 more
Builds clean power solutions using advanced DC nanogrids to capture, manage and distribute renewable energy.
EnergyWestbrook, US
Joshua Kaufman(Executive Officer, Director)Benjamin Polito(Executive Officer, Director)Joshua D. Kaufman(Director)
BoardCatherine York(Director)Paul Farrow(Director)
Board seatBengt Karlsson· per SEC Form D · $3.1M raise · filed Apr 2016
Co-investorsCEI VenturesNXT VenturesClean Energy Ventures
Herndon, US
Paul. Drysch(Executive Officer)inKurt Brendley(Executive Officer)Keith Brendley(Executive Officer, Director)
Board seatJohn Keane· per SEC Form D · $14M raise · filed Aug 2021
PurposeEnergy develops wastewater treatment and biogas solutions that convert organic waste from food and beverage producers into renewable fuels and electricity.
Circular EconomyCleantechEnergyUS-based, US
Eric Fitch(Executive Officer, Director)
BoardJohn F. Keane(Director)inMichael C. Sununu(Director)Thomas Klein(Director)
Board seatJohn Keane· per SEC Form D
Denver, US
Del Bankston(Executive Officer)
Board seatJohn Keane· per SEC Form D · $2M raise · filed Dec 2018
Rebound Tech develops adaptive cooling infrastructure for industrial facilities dealing with high cooling demand, peak energy charges, and humidity control.
CleantechEnergyHardwareCommerce City, US
Russell Goldfarbmuren(Executive Officer, Director)inRussell Muren(Executive Officer, Director)Kevin Davis(Executive Officer, Director)
BoardMatthew Coleman(Director)John Fox(Director)William Temple Withers Fennell(Director)
Board seatTemple Fennell· per SEC Form D
Co-investorsAutodesk FoundationClean Energy VenturesiSelect FundSkyview VenturesTaronga Group
REbeing provides data, software, and advisory services for valuing renewable energy projects, managing production volatility, and measuring carbon impact in the clean energy market.
CleantechClimate TechEnergyBoston, US
Lee Taylor(Founder & CEO)in
BoardBill McCullen(Director)in
Board seatDaniel Goldman· per SEC Form D
Co-investorsAngeleno GroupClean Energy VenturesLaunchCapitalS2G InvestmentsLaunch Capital
EnergyHouston, US
William J. Berger(Executive Officer, Director)Meghan Nutting(Executive Officer)Robert L. Lane(Executive Officer)Kris W. Hillstrand(Executive Officer)Michael P. Grasso(Executive Officer)Walter A. Baker(Executive Officer)
Board seatAnne Slaughter Andrew· per SEC Form D · $75M raise · filed Jan 2020
Terviva develops and commercializes pongamia, a climate-hardy tree crop engineered for high oil and protein yields, providing farmers and energy/food producers with sustainable alternatives to conventional crops like soy and palm.
AgTechClimate TechEnergyAlameda, US
Naveen Sikka(Executive Officer, Director)inSudhir Rani(Executive Officer)Margaret Mackenzie(Executive Officer)inMarc Diaz(Executive Officer)inMargaret Kavalaris(Executive Officer, Director)inJames Astwood(Executive Officer)
Board seatAnne Slaughter Andrew· per SEC Form D · $6.3M raise · filed May 2017
Co-investorsAstiaFarvatn VentureThe Yield Lab Asia PacificCultivation Capital
60 Hertz Energy develops software for managing distributed renewable energy assets including solar, wind, and substations across commercial, utility, and emerging market applications.
CleantechEnergyIoTSaaS
Co-investors49th State Angel FundClimate Impact CapitalSeaChange
Acumentrics designs and integrates power solutions for customers across various applications, emphasizing technical expertise and long-term customer relationships throughout the project lifecycle.
Defense TechEnergyEnterprise SoftwareHardware
John Cerulli(CEO, Board Member)
Advanced Ionics develops electrolyzer technology for producing green hydrogen, using its Symbiotic water vapor electrolysis that operates at intermediate temperatures and taps into existing industrial steam to lower electricity and capital costs.
CleantechClimate TechEnergyMilwaukee, US
Chad W. Mason(President and CEO)William Murray(Vice President)
BoardJohn Bobrowich(Director)in
Co-investorsAster CapitalGVP ClimateJERASWAN Impact NetworkClean Energy Ventures
AeroShield is a materials science company that developed an ultra-clear silica aerogel, originating from research at MIT, aimed at improving the energy efficiency of buildings.
Advanced ManufacturingCleantechEnergyNew MaterialsCambridge, US
Elise Strobach(CEO)inKyle Wilke(Director)inDr. Elise Strobach(CEO)
BoardSusan Stewart(Director)Brandon Tinianov(Director)inStephen Venuto(Director)
Co-investorsMassMutual VenturesMassVenturesSBXi
Westborough, US
Co-investorsAlumni VenturesAt One VenturesBasecamp FundBlue Ivy VenturesFoothill VenturesHitachi Ventures+5 more
Bevi manufactures smart beverage dispensers with advanced water filtration that serves businesses and organizations seeking to reduce single-use plastic waste.
Circular EconomyCleantechFoodTechHardwareWellness & FitnessConcord, US
Sean Grundy(Founder)inEliza Becton(Founder)in
Co-investorsAvenir Growth CapitalBessemer Venture PartnersDorm RoomTamarisc VenturesTechstarsTIA Ventures+2 more
Bodhi is a design-focused software company that provides customer experience software for the residential solar industry, using data automation and behavioral science to engage homeowners.
AI & Machine LearningCleantechEnergySaaS
Scott Nguyen(CEO)Kay Paulus(Head of Engineering)Jana LG(Head of Design)Stefanie Naden(Head of Customer Success)Jeff Bennett(Head of Product)
Co-investorsHouston Angel NetworkSWAN Impact NetworkClean Energy Ventures
Boston Materials develops thermal interface materials that address both heat transfer and mechanical stress in multi-kilowatt AI and high-performance computing semiconductor systems.
Deep TechNew MaterialsSemiconductorsMassachusetts, US
Co-investorsSABIC VenturesClean Energy Ventures
Cala manufactures a heat pump water heater designed for residential use that heats water efficiently for households of up to five people.
CleantechEnergyHardwareIoTSomerville, US
Michael Rigney(Executive Officer, Director)
BoardMichael Ting(Director)David Wilson(Director)Thomas Ferguson(Director)in
Co-investorsBURNT ISLAND VENTURESClimate CapitalLeap Forward Ventures
Carbon Upcycling converts carbon emissions and industrial waste byproducts into valuable materials for low-carbon cement production.
Circular EconomyCleantechClimate TechNew Materials
Co-investorsAmplify CapitalClean Energy VenturesClimate InvestmentBDC Capital Corporation
CarbonBridge develops a proprietary direct gas bioprocessing platform for bioreactor operations that eliminates solubility barriers without traditional equipment like spargers or agitators.
AgTechBiotechCleantechClimate TechDeep TechSan Jose, US
Co-investorsBrincGROOVE CAPITALREFASHIOND VenturesTechstarsSOSV
CleanFiber manufactures cellulose-based insulation from recycled newsprint for the building materials industry.
Advanced ManufacturingCircular EconomyCleantechConstruction TechNew MaterialsBuffalo, US
Sami Rahman(CEO)Erik Gregory(Chief Financial Officer)Jonathan Strimling(Executive Officer)James Austin(Executive Officer)Marco Peterson(Executive Officer, Director)
BoardNoah Lerner(Director)in
Co-investorsAligned Climate CapitalBoston Harbor AngelsClimate Innovation CapitalGlobal BrainKeiretsu ForumNXT Ventures+6 more
Co-investorsClean Energy Ventures
C-Motive designs electric motors and machines for renewable energy generation, electric mobility, and industrial applications, with a focus on reducing carbon emissions through improved efficiency.
Advanced ManufacturingCleantechEnergyHardwareMadison, US
Co-investorsAzolla VenturesEvergreen Climate InnovationsPrime Impact FundStarlight Ventures
Co-investorsFairpoint Capital
Enertiv provides a software platform for real estate portfolios to automate sustainability reporting, compliance, and utility data collection, and to manage decarbonization, energy optimization, tenant utility billing, and maintenance.
CleantechClimate TechEnergyPropTechNew York City, US
Pavel Khodorkovskiy(Executive Officer, Director)Connell McGill(Executive Officer, Director)inEldon Klaassen(Director)
BoardThomas Blum(Director)in
Co-investorsAAF Management Ltd.Commonweal VenturesConnecticut InnovationsGroundBreak VenturesMetaPropMetaProp Ventures+4 more
Global Neighbor uses patented directed energy technology to control weeds and stimulate crop growth without chemicals, offering products such as a harvest weed seed control unit (bSCU) and a seed priming system for farmers.
AgTechCleantechDeep TechHardwareXenia, US
Jon JacksoninNeil SaterJonathan Jackson(Executive Officer, Director)
BoardJames A Ellis(Director)inDean Didato(Director)in
Co-investorsAg Ventures AllianceInnova Memphis, Inc.Texas HALO FundTitletownTech
GreenPortfolio matches individuals with pre-screened, SEC-reviewed financial advisors who specialize in climate-aligned and sustainable investing, and provides algorithmic climate scoring of users' investment portfolios.
Climate TechFintechImpact & Social GoodNew York, US
Bonnie Gurry(Founder)Elizabeth Landau(Founder)
Co-investorsR/GA Ventures
it's electric installs and maintains curbside Level 2 EV chargers on partner properties in U.S. cities, using the property's spare electrical supply at no cost to the owner.
CleantechEnergyMobility & TransportationNYC, US
Tiya Gordon(Executive Officer, Director, Promoter)Nathan King(Executive Officer, Director, Promoter)in
BoardTopias Soininen(Director)
Co-investorsChloe CapitalFailup VenturesFamily Angel Management FundGraham Walker VentureHalogen Ventures Management Company LlcHelm+6 more
Boston, US
Jayming Wong(Executive Officer, Director)
Co-investorsLMNT Ventures
Electrified Thermal develops an electrically conductive firebrick system called the Joule Hive Thermal Battery that replaces fossil fuel-burning industrial equipment with electric heat storage for heavy industry applications like steel, cement, and chemical production.
Advanced ManufacturingCleantechClimate TechEnergySan Antonio, US
Co-investorsClean Energy VenturesMassVenturesTechEnergy VenturesStarlight Ventures
Ndustrial provides the Nsight energy optimization platform that unifies data from energy use, production, controls, and external datasets like energy markets and weather to reduce energy waste in cold chain operations.
EnergyLogistics & Supply ChainSaaSRaleigh, US
Jason Massey(Executive Officer, Director)
BoardEd Lam(Director)Peter Sopher(Director)Jungho Cho(Director)Mads Moeller(Director)Vincent Pichon(Director)
Co-investorsClean Energy VenturesENGIE New VenturesImperative Science Ventures
Pearl Certification operates a national home performance registry that verifies and records energy-efficiency and other home improvements, giving homeowners a permanent record that stays with the property so upgrades can be accurately valued.
CleantechEnergyPropTech
Co-investorsClean Energy VenturesIFC
PeelON manufactures compostable packaging solutions for fresh produce that extend shelf life and reduce post-harvest losses.
Circular EconomyCleantechFoodTech
Co-investorsquantumEDGE Ventures
QEA (QEA Tech) performs AI- and drone-based building envelope audits that quantify energy loss and R-values to guide retrofit planning for real estate owners and portfolio managers.
AI & Machine LearningCleantechPropTech
Co-investorsYork Angel Investors Inc.
Queens Carbon develops a cement technology platform aimed at the cement production industry.
CleantechClimate TechNew MaterialsCedar Grove, US
Daniel Kopp(Founder)in
Co-investorsClean Energy Ventures
Quidnet Energy develops geomechanical energy storage technology that repurposes existing oil, gas, and hydroelectric infrastructure to provide grid-scale, long-duration energy storage.
CleantechDeep TechEnergyHardwareHouston, US
Aaron Mandell(Executive Officer)Dagong Zhou(Executive Officer, Director)Howard Schmidt(Director)
BoardChristina Karapataki(Director)inMatthew Nordan(Director)Michael Biddle(Director)
Co-investorsBreakthrough Energy VenturesCongruent VenturesHelium-3 VenturesNXT VenturesClean Energy Ventures
Raptor Maps provides AI-powered analytics and automation software for solar plant operations, helping owners, operators, and engineers reduce costs and losses through visual data analysis and autonomous drone inspections.
Advanced ManufacturingAgTechAI & Machine LearningClimate TechBoston, US
Nikhil Vadhavkar(Founder/President and CEO)inEddie Obropta(Founder/CTO)in
BoardDavid Sossen(Director)
Co-investorsBlue Bear Capital PartnersBuoyant Ventures Management, LlcCongruent VenturesData Point CapitalENGIE New VenturesMaverix Private Equity+3 more
Revterra develops energy storage systems designed for renewable power grids that prioritize cleanliness, efficiency, and reliability.
CleantechEnergyHardware
Dr. Jawdat(Founding CEO)
Co-investorsAt One Ventures
Sealed helps homeowners improve energy efficiency through financial and technological innovation in residential properties.
CleantechClimate TechEnergyPropTechSaaS
Lauren Salz(Co-founder and CEO)Andy Frank(Founder and President)
Shift Thermal develops thermal storage technology for data center cooling systems, enabling efficient power allocation between cooling and computing infrastructure.
CleantechClimate TechData & InfrastructureDeep TechEnergyTennessee, US
Levon AtoyanMitchell Ishmaelin
Co-investorsMarket Square Ventures
Suden Density develops innovative coating technology for smart coatings.
CleantechDeep TechNew MaterialsSpace TechBoston, US
Provides renewable energy and efficiency solutions to businesses and institutions through proprietary matching software.
Co-investorsThe Alchemy Fund
Transaera develops heat pump systems and Dedicated Outdoor Air Systems (DOAS) that use novel materials to dehumidify, cool, and heat air for commercial buildings.
CleantechClimate TechEnergyHardwareSomerville, US
Sorin Grama(Co-founder)inMircea Dinca(Co-Founder & CS)in
BoardAshwin Shashindranath(Director)inMatthew Cohen(Director)inMitch Tyson(Director)inRoss Bonner(Co-founder & CTO)in
Co-investorsClean Energy VenturesEnergy Impact PartnersJuniperMassMutual VenturesMassVentures
Travertine develops next-generation phosphate processing technology that converts ore into purified phosphoric acid and cementitious materials while avoiding gypsum waste and removing carbon dioxide.
Circular EconomyCleantechClimate Tech
Laura Lammers(Founder)in
Co-investorsClean Energy Ventures
TrelliSense provides laser-based methane monitoring systems for agricultural, waste management, and oil & gas operators, delivering real-time emissions detection and verification data via subscription pricing.
AgTechClimate TechEnergyIoT
Ben Silton(Chief Executive Officer)Dr. Andy Sappey(Chief Technology Officer)
Volexion develops cathode active material encapsulation technology and drop-in composite materials for lithium-ion battery manufacturing, improving cycle life, power density, temperature range, and voltage window.
CleantechClimate TechDeep TechEnergyNew Materials
Damien Despinoy(Co-Founder, President and COO)Joseph X. Adiletta
Co-investorsEarth FoundryEnergy FoundryClean Energy Ventures
VoltServer develops fault-managed power distribution systems (Digital Electricity) for delivering electrical power to buildings and infrastructure projects.
CleantechData & InfrastructureEnergyHardwareEast Greenwich, US
Stephen Eaves(Executive Officer, Director)Steve Eaves(Founder & CEO)Stephen Spencer Eaves(Executive Officer, Director, Promoter)Charlie Garcia(CFO)Stanley J. Mlyniec(CTO)Ken Hydzik(EVP of Global Sales)
Co-investorsConstellation Technology VenturesSlater Technology FundClean Energy Ventures
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Portfolio news
latest coverage across their companies
Nth Cycle · wastedive.com · Aug 25, 2026
Rebound Technologies · forbes.com · Aug 17, 2026
Pearl · alleywatch.com · Aug 3, 2026
Bodhi · yelmonline.com · Jul 23, 2026
Voltserver · pbn.com · Jul 21, 2026
Aqua Membranes · intelligence360.news · Jul 15, 2026
Bevi · bevi.co · Jul 10, 2026
CleanFiber · businesswest.com · Jun 19, 2026
Frequently asked questions
- How many investments has Clean Energy Venture made?
- Clean Energy Venture has 45 tracked investments, including 2 dated in the last 24 months.
- What stage does Clean Energy Venture invest at?
- Clean Energy Venture invests at the Pre-Seed, Seed, Series A stages.
- What sectors does Clean Energy Venture focus on?
- Clean Energy Venture focuses on Cleantech, Climate Tech, Energy.
- Where is Clean Energy Venture located?
- Clean Energy Venture is headquartered in Boston, US.
- Who does Clean Energy Venture co-invest with?
- Clean Energy Venture most often shares deals with Clean Energy Ventures, MassVentures, Skyview Ventures, among 103 tracked co-investors.
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