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Clean Energy Ventures

Venture capital

Boston · Seed–Late Stage · 39 people tracked

Also known as CLEAN ENERGY VENTURE MANAGEMENT, LLC

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Investment thesis

Clean Energy Ventures backs founders pairing defensible science and technology innovations with disciplined commercial fundamentals to build climate companies capable of competing and lasting. Its team of trained engineers and operators applies rigorous diligence, targeting solutions where the science is proven, the commercialization path is clear, and impact can be measured in gigatons of decarbonization. The firm acts with speed and precision when fundamentals are strong, and supports portfolio companies through obstacles and opportunities. It has built an ecosystem of in-house expertise, strategic partners, and industry veterans who work alongside founders from pilot engineering through full commercialization and scale-up.

Invests inCleantechClimate TechDeep TechEnergyBostonEuropeNorth AmericaUnited States

Source: firm website, verified Aug 3, 2026.

Stage
Seed–Late Stage
Check
$100K – $5M
HQ
Boston, Massachusetts, US
Leads rounds
Follows
Instruments
Equity
Founded
2017
AUM
$400M
VC funds
2
Tracked investments
152

Team · 39 people

from the firm's website & public directories
Coleman Adams· Venture Partner

Venture partner; former Managing Director at Crescendo Power.

Jeff Weiss· Venture Partner

Venture partner; former VP of engineering, CTO, and co-founder of several energy companies.

Jimmy Ellis· Venture Partner

Venture partner; attorney and entrepreneur turned investor.

John Bobrowich· Venture Partner

Venture partner; held leadership roles at GE, Siemens, Toshiba, and ReGENco.

John Harper· Venture Partner

Venture partner and Executive Director of CEVG; former finance lead at EDF, ABB, and Wartsila.

John Santoleri· Venture Partner

Venture partner; former Managing Director at Warburg Pincus and CFO of Dimensional Energy.

John Wisniewski· Venture Partner

Venture partner; former Exxon Mobil engineer and director at Arcapita.

Mallika Gummalla· Venture Partner

Venture partner; former Head of Innovation Hubs at UTC.

Michael Herzig· Venture Partner

Venture partner; former CEO of Locus Energy.

Nora Mead Bromwell· Venture Partner

Venture partner; former FERC Commissioner and former Board Chair of PG&E.

Bridget Michalowski· Investor Relations Managerin
Danae Minich· Office Coordinatorin
David Meyer· Community Operations Managerin
Elizabeth Pacelle· Marketing & Platform Associatein
Ellen Williams· Strategic Advisory Board

Strategic advisory board member; former Director of ARPA-E.

Ernest Moniz· Strategic Advisory Board

Strategic advisory board member; former U.S. Secretary of Energy.

Gabe Place· Finance & Accounting Associatein
Max Werny· Investorin
Maya Bhat· Investorin

Investor at the firm; holds a PhD.

What they invest in

from 26 of 152 portfolio companies

Cleantech ×15Energy ×14New Materials ×9Advanced Manufacturing ×5Climate Tech ×5Hardware ×5Deep Tech ×4AI & Machine Learning ×3

HQs:United States×26Canada×1

Investments · 152 tracked

founders shown can be your intro path
Avista Corp.myavista.comin𝕏NYSE: AVA
Brookfield Asset Managementbrookfield.comin𝕏NYSE: BAM
Caterpillarcaterpillar.comNYSE: CAT
National Gridnationalgrid.comNYSE: NGG
Pentairpentair.comin𝕏NYSE: PNR
United Airlinesunited.comNASDAQ: UAL
7Actech7actech.com
ABBglobal.abb
ACCELR8accelr8.com
ACVC Partnersacvc.partners
Advanced Ionicsadvanced-ionics.com

EnergyMilwaukee, US

Chad W. Mason(President and CEO)William Murray(Vice President)John Bobrowich(Director)

Advancedionicsadvancedionics.comin
Aepnusaepnus.comin
Amplify Capitalamplifycapital.cain
Antares Venturesantares.ventures
Aqua Membranesaquamembranes.comin𝕏

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)

Arcelor Mittal XCarbarcelormittal.com
At One Venturesatoneventures.com
Ayrton Energyayrtonenergy.comin
Bodhibodhi.solarin𝕏

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 Materialsbomaterials.comin

BO Materials develops novel materials for industrial applications across trillion-dollar industries.

AI & Machine LearningDeep TechNew MaterialsSemiconductorsMassachusetts, US

Michael Segal(Executive Officer, Director)David Miller(Director)Dwight Poler(Director)Anvesh Gurijala(Executive Officer, Director)Andrew Goldman(Director)

Boston Materialsbostonmaterials.coin

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

Breakthrough Energy Fellowsbreakthroughenergy.org
Builders Visionbuildersvision.comin
Burnt Island Venturesburntislandventures.com
Buzzi Unicem USAbuzziunicemusa.com
Carbon Drawdown Collectivecarbondrawdowncollective.com
Carbon Upcyclingcarbonupcycling.com
CEMEX Venturescemexventures.comin𝕏
Cerberus Venturescerberus.com
CEVGcevg.comin𝕏
CleanFibercleanfiber.com

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)Noah Lerner(Director)Nate Lowbeer-Lewis(Director)Paul Atkinson(Director)Alexandre Martin-Min(Director)

Clearskyclear-sky.com
ClearTracecleartrace.io
Climate Investmentclimateinvestment.comin
Closed Loop Venturesclosedlooppartners.comin𝕏
ConnectDERconnectder.comin

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)

BoardDaniel Goldman(Director)Rajan Gupta(Director)Matt Coleman(Director)

CRHcrh.comin
DG Matrixdgmatrix.comin

DG Matrix develops the Interport platform, a multi-port solid-state transformer solution that enables software-defined, flexible power distribution for AI data centers, commercial/industrial electrification, EV fleet charging, and utility grid environments.

AI & Machine LearningEnergyHardware

EDFedfenergyna.comin
Emerson Collectiveemersoncollective.comin
Energy Foundryenergyfoundry.comin
Energy Impact Partnersenergyimpactpartners.comin𝕏
Energy Innovation Capitalenergyinnovationcapital.com
ENGIEengieventures.comin
Engine Venturesin
Enieni.comin𝕏
EPS Venturesepshipping.com.sgin
Equinorequinor.comin
Evarievari.com

Peterborough, US

Jonathan Bass(Executive Officer)Steven J. Walker(Executive Officer, Director)

Evarievarithermal.com

Evari Thermal manufactures miniature oil-free gas-bearing turbocompressors for heat pumps, aimed at improving heat pump efficiency across building heating and cooling, vehicles, refrigeration, healthcare, and industrial process heating.

Advanced ManufacturingCleantechHardware

Extantiaextantia.com

Frequently asked questions

What stage does Clean Energy Ventures invest at?
Clean Energy Ventures invests at the Seed, Series A, Late Stage stages.
What is Clean Energy Ventures's typical check size?
Clean Energy Ventures typically writes checks of $100K – $5M.
What sectors does Clean Energy Ventures focus on?
Clean Energy Ventures focuses on Cleantech, Climate Tech, Deep Tech, Energy.
Where is Clean Energy Ventures located?
Clean Energy Ventures is headquartered in Boston, US.
Does Clean Energy Ventures lead rounds?
Clean Energy Ventures typically participates in rounds rather than leading them.

Media · Podcasts & interviews

featuring the team

Corporate Venturing Insider #108 with Temple Fennell of Clean Energy Ventures

TDK Ventures · Temple Fennell

Scaling Climate Tech: How Clean Energy Ventures Backs Game-Changing Startups with Temple Fennell

The Future of Finance Podcast · Temple Fennell

Point 01 Podcast: Dan Goldman of Clean Energy Ventures

Therma · Dan Goldman

Co-investors · 10

Breakthrough Energy Ventures

Breakthrough Energy is a global platform founded to accelerate clean energy innovation and build climate-focused industries, supporting innovators developing affordable, reliable, clean energy technologies.

Both backed · 2
$500K – $50M
National Grid Partners

National Grid Partners is the venture capital unit of National Grid plc, a major investor-owned energy utility company. The firm invests in innovative energy-related technologies and business models.

Both backed · 2
LineVisionEnergy Impact Partners
Energy Impact Partners

Energy Impact Partners is an investment firm that connects entrepreneurs with major corporates to help transform the global economy toward a more sustainable future.

Both backed · 1
$5M – $20M
Azolla Ventures

Azolla Ventures is an early-stage climate investor that backs founders building solutions with the potential for large-scale greenhouse gas reductions. It was created by Prime Coalition, a nonprofit that directs catalytic capital toward scalable climate solutions.

Both backed · 1
Great Oaks Venture Capital

Great Oaks Venture Capital is a New York-based early-stage investor that partners with founders at the earliest stages of company building across the United States.

$50K – $500K
SOSV

SOSV is a deep tech venture capital firm that makes first-check pre-seed investments and follow-on rounds in startups focused on human and planetary health, providing lab space and hands-on support at its US locations.

$30K – $550K
SignalFire

SignalFire is a venture capital firm that positions itself as being built like a tech company, offering founders in-house AI/ML tools, data, advisory programs, and sector experts to support their portfolio.

$250K – $15M
bp ventures

BP Ventures invests in private technology companies developing innovations in the energy sector. The firm focuses on early to growth-stage companies globally.

$1M – $10M
NCT Ventures

NCT Ventures is a Columbus, Ohio-based investment firm focused on the Midwest, partnering with entrepreneurs and providing hands-on operational support drawn from over 20 years of entrepreneurial experience.

Firms observed investing alongside Clean Energy Ventures, from public investor directories. Shared companies are the overlap with Clean Energy Ventures's recorded portfolio.

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