Clean Energy Venture
Venture capitalBoston · Pre-Seed–Series A · 50 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 · 50 people
from the firm's website
What they invest in
from 31 of 60 portfolio companiesCleantech ×22Energy ×19Climate Tech ×11Circular Economy ×6Hardware ×6New Materials ×6Advanced Manufacturing ×4AgTech ×3
HQs:United States×36
Investments · 60 tracked
founders shown can be your intro pathBy year:2026 · 32025 · 12024 · 12023 · 12022 · 42021 · 42019 · 22018 · 32016 · 22015 · 122 dated
Aqua Membranes develops reverse osmosis membrane technology using additive manufacturing and membrane chemistry to make industrial water treatment more energy-efficient and cost-effective.
Advanced ManufacturingCleantechNew MaterialsAlbuquerque, US
Rick Sanders(Director)Rodney Herrington(Founder)Michael Reardon(Director)Craig Beckman(CEO)Stuart Schoenmann(Director)Christopher Kurth(Chief Technology Officer)
Board seatTemple Fennell· per SEC Form D
Calgary
Board seatDaniel Goldman· per SEC Form D · $26.1M raise · filed Jul 2023
ConnectDER manufactures meter socket adapters that simplify the installation of distributed energy systems, including solar, EV charging, and battery storage solutions for homeowners and installers.
CleantechClimate TechEnergyHardwarePhiladelphia, US
Whitman Fulton(Executive Officer, Director)Ivo Steklac(Executive Officer, Director)Mark Gustafson(Director)
BoardRajan Gupta(Director)Matt Coleman(Director)
Board seatDaniel Goldman· per SEC Form D
Boulder, US
Board seatNora Mead Brownell· per SEC Form D · $8M raise · filed Mar 2022
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)
Board seatDaniel Goldman· per SEC Form D · $20M raise · filed Feb 2025
Sebastopol, US
Nick Grafton(Executive Officer, Director)Merrick Andlinger(Director)Jason Mitchell(Executive Officer, Director)Ian deQueiroz(Executive Officer, Director)Bruce Valentine, Jr.(Executive Officer)G. Scott Greenburg(Executive Officer, Director)
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
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 develops grid-enhancing technology that provides transmission grid intelligence to help utilities and system operators optimize grid operations and planning.
CleantechEnergyIoTSomerville, US
Erik Levy(Director)David Bewster(Director)Todd Gershkowitz(Director)Jonathan Marmillo(Executive Officer)G. Hudson Gilmer(Executive Officer, Director, Promoter)Nathan Pinney(Executive Officer, Promoter)
Board seatDaniel Goldman· per SEC Form D
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)Jan-Georg Rosenboom(Executive Officer, Director)
BoardCatia Cesari(Director)
Board seatTemple Fennell· per SEC Form D · $3M raise · filed Mar 2026
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)Gabi Knesel(Executive Officer)
BoardRaffi Freeman(Executive Officer)Edward Meir(Director)Joseph Goodman(Director)Brian Baynes(Director)
Board seatDaniel Goldman· per SEC Form D · $15M raise · filed May 2026
Builds clean power solutions using advanced DC nanogrids to capture, manage and distribute renewable energy.
EnergyWestbrook, US
Catherine York(Director)Joshua Kaufman(Executive Officer, Director)Benjamin Polito(Executive Officer, Director)Paul Farrow(Director)
Board seatBengt Karlsson· per SEC Form D · $3.1M raise · filed Apr 2016
Herndon, US
Paul. Drysch(Executive Officer)Kurt 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
John F. Keane(Director)Michael C. Sununu(Director)Eric Fitch(Executive Officer, 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
Commerce City, US
Russell Goldfarbmuren(Executive Officer, Director)Russell 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 · $5.6M raise · filed Aug 2022
Resurety provides data, software, advisory services, and financial market solutions for clean energy buyers, sellers, and investors, translating weather, power market, and emissions data into risk management analytics through platforms such as CleanSight and CleanTrade.
CleantechClimate TechEnergyBoston, US
Lee Taylor(Founder & CEO)
BoardBill McCullen(Director)
Board seatDaniel Goldman· per SEC Form D
EnergyHouston, US
Matthew DeNichilo(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)Sudhir Rani(Executive Officer)Margaret Mackenzie(Executive Officer)Marc Diaz(Executive Officer)Margaret Kavalaris(Executive Officer, Director)James Astwood(Executive Officer)
Board seatAnne Slaughter Andrew· per SEC Form D · $6.3M raise · filed May 2017
60Hertz Energy provides asset management and computerized maintenance software for renewable energy operations, covering solar (C&I, utility scale, agrovoltaics), utility scale wind, substations, and vegetation management.
CleantechEnergySaaS
Acumentrics manufactures rugged, mission-critical power solutions including uninterruptible power supplies (UPS), battery packs, and power distribution units designed to operate in extreme environmental conditions including combat zones and harsh climates.
Defense TechEnergyHardware
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)
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)Kyle Wilke(Director)Dr. Elise Strobach(CEO)
BoardSusan Stewart(Director)Brandon Tinianov(Director)Stephen Venuto(Director)
Westborough, US
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)
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
Somerville, US
Michael Rigney(Executive Officer, Director)
BoardMichael Ting(Director)David Wilson(Director)Thomas Ferguson(Director)
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
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)Daniel Thompson(Director)Jonathan Strimling(Executive Officer)James Austin(Executive Officer)Marco Peterson(Executive Officer, Director)
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
Eldon Klaassen(Director)Pavel Khodorkovskiy(Executive Officer, Director)Thomas Blum(Director)Connell McGill(Executive Officer, Director)
Xenia, US
Jonathan Jackson(Executive Officer, Director)
BoardJames A Ellis(Director)Dean Didato(Director)
it's electric installs and maintains Level 2 EV chargers on property owners' curbs across U.S. cities, analyzing site suitability and handling permitting and maintenance at no cost to property owners.
CleantechEnergyMobility & TransportationNYC, US
QEA uses proprietary AI and drone-based thermal imaging to analyze building envelopes and generate customized retrofit plans that reduce energy consumption and carbon emissions.
AI & Machine LearningCleantechPropTech
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)Matthew Nordan(Director)Michael Biddle(Director)Howard Schmidt(Director)Dagong Zhou(Executive Officer, Director)
BoardChristina Karapataki(Director)
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)inDavid Sossen(Director)
Sealed provides software and rebate administration services for home weatherization and electrification contractors, helping them match projects with available energy efficiency rebates and manage applications.
CleantechClimate TechSaaS
AdaptiveWaves develops radiation-hardened optical coatings for solar panels in space and terrestrial environments.
CleantechNew MaterialsSpace Tech
Transaera develops climate and cooling technology aimed at reducing the energy impact of air conditioning.
CleantechClimate TechEnergySomerville, US
Sorin Grama(Co-Founder & CEO)Mircea Dinca(Co-Founder & CS)
BoardAshwin Shashindranath(Director)Matthew Cohen(Director)Mitch Tyson(Director)Ross Bonner(Co-Founder & CTO)
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
TrelliSense provides laser-based methane monitoring systems for oil and gas, agriculture, and landfill operators.
Climate TechEnergyIoT
VoltServer develops Digital Electricity technology for power distribution in data centers, fiber networks, and extended enterprise deployments.
Data & InfrastructureEnergyHardwareEast Greenwich, US
Stanley Mlyniec(Executive Officer)Charles Garcia(Executive Officer, Director)Jorge Acevedo(Director)Stephen Eaves(Executive Officer, Director)Matthew Giuliano(Executive Officer)Robert C. Fanch(Director)
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 companiesNth Cycle · miningweekly.com · Jul 22, 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
CarbonBridge · theconversation.com · Apr 23, 2026
Frequently asked questions
- 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.
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