How many investments has Lowercarbon Capital made?

Lowercarbon Capital has 117 tracked investments, 1 of which have exited via acquisition or IPO, including 12 dated in the last 24 months.

What stage does Lowercarbon Capital invest at?

Lowercarbon Capital invests at the Seed, Series A, Series B, Series C, Growth, Late Stage stages.

What is Lowercarbon Capital's typical check size?

Lowercarbon Capital typically writes checks of $100K – $5M.

Where is Lowercarbon Capital located?

Lowercarbon Capital is headquartered in New York, US.

Does Lowercarbon Capital lead rounds?

Yes, Lowercarbon Capital leads investment rounds.

Who does Lowercarbon Capital co-invest with?

Lowercarbon Capital most often shares deals with LOWERCARBON, Y Combinator, Breakthrough Energy Ventures, among 276 tracked co-investors.

Lowercarbon Capital

Venture capitalActively deployingoperating company · company profile

New York · Seed–Late Stage · 24 people tracked

Also known as Lowercarbon

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Investment thesis

Lowercarbon Capital supports founders addressing climate change through commercially viable solutions that slash emissions, remove carbon from the atmosphere, or provide climate adaptation. The firm believes market-driven approaches, rather than shame or guilt, will drive planetary recovery, and combines hard science with ambitious technology to tackle sources of greenhouse gas emissions, atmospheric carbon removal, and climate resilience.

Invests inAgTech Cleantech Climate Tech Deep Tech Energy Mobility & Transportation New Materials Global Jackson New York

Source: firm website, verified Aug 24, 2026.

Stage

Seed–Late Stage

Check

$100K – $5M

New York, US

Leads rounds

Leads

Instruments

Equity

Founded

2025

Last 12 months

25 investments

Tracked investments

154

Team · 24 people

from the firm's website

Caie Kelley· General Partner· Los Angelesin

Caie Kelley is a General Partner at Lowercarbon Capital, where she concentrates on growth-stage opportunities and brings a quantitative approach to the firm's deep tech and science-backed investments. She previously worked at SOUNDWaves, the climate-focused arm of Sound Ventures, building its sustainability strategy and backing founders across batteries, alternative materials, circularity, and climate software, and earlier held roles at Permira and in JP Morgan's technology investment banking group. She holds a bachelor's degree in economics from Harvard College.

Chris Sacca· Co-founder· Montanain

Chris Sacca is co-founder of Lowercarbon Capital, which backs decarbonization companies across energy, industrial materials, transportation, carbon removal, and advanced manufacturing. He previously co-founded Lowercase Capital with his wife Crystal, an early backer of companies including Uber, Twitter, and Stripe, and earlier served as Head of Special Initiatives at Google and practiced law at Fenwick & West. He holds degrees from Georgetown University Law Center and Georgetown's School of Foreign Service.

Clay Dumas· Founding Partner· Venice, CAin

Clay Dumas is a founding partner at Lowercarbon Capital, where he focuses on backing climate technology companies working to reduce global warming. He is also a partner at Lowercase Capital, managing relationships with technology and consumer startups and advising founders on product, fundraising, messaging, and policy. Before venture investing, he held roles on President Obama's reelection campaign and at the White House, including work with the Office of Digital Strategy, and graduated with honors from Harvard College in philosophy and economics.

Crystal Sacca· Co-founder and Partner· Wyomingin

Crystal Sacca is a co-founder and partner at Lowercarbon Capital and a partner at Lowercase Capital, where she co-led early investments in companies including Uber and Blue Bottle Coffee. Before venture investing, she built a career as an advertising creative, working on campaigns for companies such as Intel, Audi, and HBO, and authored two bestselling books. She graduated cum laude from Georgetown University's Edmund A. Walsh School of Foreign Service.

Dr. Scott C. Hsu· Fusion Partner

Lauren Faber O'Connor· Partnerin

Lauren Faber O’Connor· Partner

Ryan Orbuch· Partner· San Franciscoin

Ryan Orbuch is a Partner at Lowercarbon Capital, where he leads the firm's work in carbon removal. Before joining the firm, he helped start and ran Stripe's carbon removal procurement program, building partnerships with Activate and Deep Science Ventures and organizing expert reviews to select removal companies. Earlier in his career he worked as a product designer and software engineer, co-founded the education software startup Volley, and designed the productivity app Finish.

Shawn Xu· Partner· San Franciscoin

Shawn Xu is a Partner at Lowercarbon Capital, focusing on early-stage investments in climate-focused startups. He was previously a Partner at On Deck's venture fund and accelerator, and worked on the investing teams at Floodgate and First Round Capital's Dorm Room Fund. Before investing, he led international expansion at companies including Square and served as a tech policy advisor to California Governor Gavin Newsom. He holds an MBA/MA in International Affairs from Wharton and the Lauder Institute at the University of Pennsylvania and completed his undergraduate studies at UC San Diego.

Duncan Carlson· Principal· San Franciscoin

Duncan Carlson is a Principal at Lowercarbon Capital, focusing on carbon removal and waste management, including technical analysis such as mass and energy balances. Before joining the firm, he built and operated waste management infrastructure, starting at Pawnee Waste where he scaled its treatment and disposal operations, then developing facilities across the Pacific Northwest at Waste Management. He holds a B.S. in Chemical and Biological Engineering from the University of Colorado Boulder.

Eric Helfgott· Principal· San Franciscoin

Eric Helfgott is a Principal at Lowercarbon Capital, where he backs climate technology companies, with interest in capital- and time-intensive areas such as synthetic biology, CO2 valorization, and nuclear fusion. He previously earned a Civil and Environmental Engineering master's at Stanford, worked at McKinsey & Company, and was a summer investor at G2 Venture Partners. He holds dual degrees in Bioengineering and Finance from the University of Pennsylvania's Jerome Fisher Program in Management & Technology.

Sidney Brown· Principal· Los Angeles

Sidney Brown is a Principal at Lowercarbon Capital, where she supports the Partners with investment diligence and helps portfolio companies building climate technologies. She previously worked on ICONIQ Capital's technology investing team, sourcing and analyzing software and internet investments, and later served as Chief of Staff to the CEO of Oatly, where she helped lead the company's IPO and launched an internal sustainability innovation lab. She holds a B.S. from Stanford University in the Science, Technology, and Society program.

Alexandra Frumar· General Counsel· Bay Areain

Alexandra Frumar is General Counsel at Lowercarbon Capital, with over a decade of experience supporting early-stage teams. She was previously Chief Legal Officer at Remora, a carbon capture company, where she oversaw legal and government relations, and earlier co-founded FD Law, a boutique firm serving Y Combinator companies with a later focus on climate tech. She held in-house counsel roles at AppDirect and Silicon Legal Strategy, and holds a JD from Santa Clara University School of Law and a BA from UC Santa Cruz.

Amber Love Westphal· Office Manager & Executive Assistant· San Franciscoin

Amber Love Westphal is the Office Manager and Executive Assistant at Lowercarbon Capital, based in San Francisco. Before joining the firm, she led global office operations across four companies in North America and built workplace experience programs, and she has also produced off-sites and large-scale conferences. Originally from Hawaii, she has supported executives at organizations ranging from startups to large conglomerates.

Christian Bjelland· Operating Partner and Head of Capital Formation & Strategic Partnerships· New Yorkin

Christian Bjelland is Operating Partner and Head of Capital Formation & Strategic Partnerships at Lowercarbon Capital, where he leads fundraising and strategic partnerships. He was previously Managing Director at Redesign Health, leading its international expansion, and earlier founded Hello Alfred and co-founded TRIDENT, a data-driven private equity firm. He holds a BA in Social Studies from Harvard College and an MBA from Harvard Business School.

Eden Polich· Executive Assistant· Bay Area

Eden Polich is an Executive Assistant at Lowercarbon Capital, where she supports partners on the early-stage investment team by managing schedules and handling day-to-day operations. Before joining the firm, she worked in the entertainment industry on television productions and in creative development. She holds a B.A. in Communication and Media Studies from Santa Clara University and is based in the Bay Area.

Elena Mosse· Associate· San Franciscoin

Elena Mosse is an Associate at Lowercarbon Capital, where she focuses on sourcing, diligence, and helping portfolio companies grow. She previously was a Venture Fellow at Fifty Years and held a product management rotational role at Roblox on the Growth and Economy teams. She holds a B.S. in Symbolic Systems from Stanford University with a concentration in Human-Computer Interaction and a minor in Ethics and Technology.

Kate Feld· Head of Office Operations

Kate Feld is Head of Office Operations at Lowercarbon Capital, where she manages day-to-day operations and corporate events. Before joining the firm, she worked as a television producer and creative executive on productions including Shark Tank, Guy's Grocery Games, and House Hunters. She is a classically trained operatic soprano with a BA in Vocal Performance and Humanities from USC and additional vocal studies at the Verdi Conservatory of Music in Milan.

Kyle Taylor· Director of Product· Los Angelesin

Kyle Taylor is Director of Product at Lowercarbon Capital, where he builds internal tools and delivers product insights for the team. He previously led product at Upfront Ventures, creating solutions for the investment, operations, and marketing teams, and served as Director of Operations at Launchpad LA, a Santa Monica startup accelerator. Earlier in his career he worked as a mechanical engineer at Syska Hennessy Group and MSC Software, and he holds a B.S. in Mechanical Engineering from the University of California, Irvine.

Lyna Kim· Associatein

Melissa Waystack· Head of Finance· Boston, MA

Melissa Waystack is Head of Finance at Lowercarbon Capital, where she oversees accounting, tax, administration, compliance, and investor reporting across the firm's assets under management. She previously served as Controller at ArcLight Capital and held accounting roles at Lindsay Goldberg and Apax Partners. She is a Certified Public Accountant and holds a Bachelor of Science in Accounting with a minor in Finance from Providence College.

Monique Guimond· Head of Portfolio Strategy· Los Angelesin

Monique Guimond is Head of Portfolio Strategy at Lowercarbon Capital, where she focuses on portfolio insights, follow-on strategy, and operating infrastructure. She previously spent eight years at Engine Ventures, an early-stage tough-tech firm she helped found, working across capital formation, investments, and portfolio support, and managing fundraising for funds totaling over $900M in committed assets. Earlier in her career she helped launch MASS, a nonprofit focused on the built environment and health outcomes; she holds a B.S. in International Health from Georgetown University and an MBA from MIT.

Rachel Williams· Investor· Los Angelesin

Rachel Williams is an Investor at Lowercarbon Capital working on growth-stage opportunities with founders scaling decarbonization and climate resiliency solutions. She previously spent nearly six years in various roles across JPMorgan's Investment Bank across climate, energy, and infrastructure. She is completing a PhD in Sustainable Finance at the University of Oxford's Smith School of Enterprise and the Environment, and holds an MSc in Environmental Economics and Climate Change from LSE and a bachelor's degree in Economics and International Relations from the University of St Andrews.

Ryder Kimball· Content Lead· NYCin

Ryder Kimball is the Content Lead at Lowercarbon Capital, where he manages the fund's external writing, media, and messaging. He previously worked on the communications team at Planet Labs, writing a newsletter on the remote sensing industry and leading product communications for satellite constellation launches, and he later consulted for Pacific Fusion. He holds a BS and an MA in Earth Systems from Stanford University and also works as a climate tech reporter.

What they invest in

from 95 of 154 portfolio companies

Climate Tech ×46Cleantech ×43Energy ×31Deep Tech ×22Advanced Manufacturing ×19AI & Machine Learning ×14AgTech ×11Biotech ×11

HQs:United States×54France×5United Kingdom×5Norway×3Indonesia×2Canada×1

Who they back

founder profiles across 52 portfolio companies

44%

solo founders

23 of 52 mapped founding teams

53%

repeat founders

of 47 founders with career history

Founding team size:solo founder×232 founders×193 founders×44+ founders×6

Where their founders studiedfrom 47 founders with education data

Massachusetts Institute of Technology ×4Stanford University ×4University of Cambridge ×4Stanford University Graduate School of Business ×3University of California, Berkeley ×3University of Colorado Boulder ×3Brown University ×2Carnegie Mellon University ×2

Where their founders worked beforefrom 47 founders with career history

Stanford University ×6Berkeley Lab ×2Boston University ×2Collège de France ×2Tjuvholmen Ventures ×2Unreasonable ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×13

12 founders hold a PhD · 4 hold an MBA (of 51 with degree data)

Investments · 154 tracked

founders shown can be your intro path

By year:2026 · 13 2025 · 18 2024 · 6 2023 · 1 2022 · 1 2021 · 2 2017 · 142 dated

Lilac Solutionslilacsolutions.com inJun 2026✓ verified

Lilac Solutions develops direct lithium extraction technology using ceramic ion exchange media, enabling fast, clean, and affordable lithium production from brines for the electric vehicle and battery industries.

CleantechClimate TechEnergyNew MaterialsOakland, US

David Snydacker(President & Chief Technology Officer)inNicholas Goldberg(Chief Legal Officer of Issuer)David Gelinas(Chief Financial Officer of Issuer)inRaef Sully(Chief Executive Officer of Issuer)in

BoardDavid Danielson(Director)in

Board seatClay Dumas· per SEC Form D

Co-investorsBreakthrough Energy Ventures Azolla Ventures BMW i Ventures Mount Wilson Ventures Prelude Ventures Presidio Ventures +7 more

Avalanche Energyavalanchefusion.com in 𝕏Apr 2026 · $29M✓ verified

Avalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications.

Deep TechDefense TechEnergyRichland, US

Robin Langtry(Co-Founder, CEO)inBrian Riordan(Co-Founder, COO)in

Co-investorsCongruent Ventures Founders Fund RA Capital Toyota Ventures Azolla Ventures Juniper +2 more

Carbyoncarbyon.com in✓ verified

Carbyon develops direct air capture technology to remove CO2 from the atmosphere and supply it as circular CO2.

CleantechClimate TechDeep TechEindhoven, NL

Hans De Neve(Founder)

Co-investorsGlobal Cleantech Capital Innovation Industries Invest-NL Omnes Capital BOM HighTechXL +3 more

Dioxycledioxycle.com✓ verified

Dioxycle develops electricity-driven technology to convert waste carbon emissions into chemical feedstocks for industrial manufacturing.

Advanced ManufacturingCircular EconomyCleantechClimate TechDeep TechParis, FR

SarahDavidSarah Lamaison, PhD(Founder)inDavid Wakerley, PhD(Founder)in

Co-investorsBreakthrough Energy Ventures Gigascale Capital Collaborative Fund LOWERCARBON

Enodeenode.com in✓ verified

Enode provides APIs that enable energy companies and climate tech startups to coordinate electricity demand and supply by automatically optimizing consumer energy usage based on renewable availability and pricing.

Advanced ManufacturingCleantechClimate TechData & InfrastructureEnergySaaSOslo, NO

Henrik Langeland(Founder)inNikolai Heum(Founder)in

Co-investorsCreandum LOWERCARBON Skyfall Ventures Sondo Capital Y Combinator BoxGroup

Enodeenode.io✓ verified

Enode provides APIs that connect and optimize distributed energy devices such as EVs, chargers, home batteries, solar panels and heat pumps, giving energy companies a single integration to build energy and flexibility products.

Climate TechDeveloper ToolsEnergyIoT

Henrik Langeland(Founder)in

Co-investorsCreandum Alliance VC Alliance Venture BoxGroup Skyfall Ventures

Epoch Biodesign Websiteepochbiodesign.com in✓ verified

Epoch Biodesign develops enzyme recycling technology powered by AI to break down plastic and textile waste into virgin-grade chemical building blocks.

AI & Machine LearningBiotechCircular EconomyClimate Tech

Jacobin

Co-investorsExtantia Capital Mundi Ventures Amadeus Capital Partners Avonmore Developments Cambridge Angels group KOMPAS VC +3 more

Holy Grailholygrail.ai inMay 2017✓ verified

AI & Machine LearningDeep TechEnterprise SoftwareNew MaterialsSan Francisco, US

Jason Golec(Executive Officer, Director, Promoter)Edward Quiroz(Executive Officer, Director, Promoter)Nuno Pereira(Founder)in

BoardOliver CameronCharlie SonghurstMaya Bakhai

Co-investorsY Combinator Deep Science Ventures Goat Capital Starlight Ventures

Solarasolara.energy in 𝕏Mar 2023✓ verified

Solara is a Mexican fintech that provides turnkey solar energy solutions and flexible financing plans for commercial and industrial businesses, managing design, installation, maintenance, and monitoring.

CleantechEnergyFintechWalnut, US

Christofer Voegelin Diener(Founder)inJavier de la Calle Pardo(Director)Dori Rutkevitz(Executive Officer, Director)Christofer Voegelin(Executive Officer, Director)Thomas Dinwoodie(Director)Daniel Rosen(Director)

Co-investorsBrainstorm Ventures Sunna Ventures

Solugensolugen.com in 𝕏Sep 2021✓ verified

Solugen develops a biomanufacturing platform using fermentation and bioprocessing technology to produce specialty chemicals at scale.

Advanced ManufacturingBiotechCleantechClimate TechHealthtechHouston, US

Sean Hunt(Founder/CTO)inGaurab Chakrabarti(Founder)in

BoardSeth Bannon(Director)in

PartnerClay Dumas· quoted

Co-investorsFifty Years Founders Fund Y Combinator Baillie Gifford GIC KdT Ventures +22 more

Storio Energystorioenergy.com in✓ verified

Storio Energy develops and operates battery energy storage systems (BESS), using battery optimization and algorithms to support grid services such as France's secondary reserve (aFRR).

AI & Machine LearningCleantechClimate TechEnergyAulnay-sous-Bois, FR

Caroline Le Floch(Founder)Gautier Maigret(Co-Founder & COO)inJean-Yves Stephan(Co-Founder & CEO)inJulien Dumazert(Co-Founder & CTO)in

Co-investorsBpifrance Kima Ventures

Vaulted Deepvaulteddeep.com in 𝕏✓ verified

Vaulted Deep repurposes oil and gas infrastructure and expertise to enable carbon removal and waste management at scale.

Circular EconomyClimate TechDeep TechHouston, US

Julia Reichelstein(Co-Founder & CEO)inOmar Abou-Sayed(Co-Founder)

Co-investorsLOWERCARBON Prelude Ventures Rethink Impact Earthshot Ventures Fall Line Capital

Carbon RemovalDec 2025SEC filingmedium confidence

Houston, US

JULIA REICHELSTEIN(Executive Officer, Director)OMAR ABOU-SAYED(Executive Officer, Director)

BoardSTEVE COLE(Director)MATTHEW EGGERS(Director)DAVID HAYES(Director)

Board seatRyan Orbuch· per SEC Form D · $7.7M raise · filed Jan 2026

Matter IntelligenceApr 2026SEC filingmedium confidence

El Segundo, US

Vishnu Sridhar(Executive Officer, Director)

Board seatShawn Xu· per SEC Form D · $49.1M raise · filed Apr 2026

Co-investorsE2MC Ventures

Zap Energyzapenergy.com in 𝕏Jul 2024SEC filingmedium confidence

Zap Energy develops advanced nuclear systems built on a shared platform that combines fission and fusion technologies to deliver firm, carbon-free electricity and process heat in modular, deployable formats.

CleantechDeep TechEnergyEverett, US

Benjamin Conway(Executive Officer, Director)Uri Shumlak(Director)Brian Nelson(Executive Officer, Director)Benj Conway(Founder)in

BoardUdayan Das Roy(Director)

Board seatClay Dumas· per SEC Form D · $130M raise · filed Jul 2024

Co-investorsBreakthrough Energy Ventures DCVC (Data Collective)Energy Impact Partners Leitmotif Addition Emerson Collective Investing

Zero Acre Farmszeroacre.com inJul 2022SEC filingmedium confidence

Zero Acre Farms produces cooking oils optimized for chefs and restaurants, using organic fera fruit oil as an alternative to seed oils with superior heat stability, cleaner taste, and healthier fat profiles.

AgTechFoodTechImpact & Social GoodSan Francisco, US

Jeff Nobbs(Founder & CEO)in

Board seatClay Dumas· per SEC Form D · $5M raise · filed Jul 2022

Co-investorsCollaborative Fund Cornucopian Capital Management Designer Fund Fifty Years Habitat Partners Hyperguap +7 more

Acceleronacceleronpharma.com in 𝕏

A pharmaceutical company that develops medicines and vaccines for patients globally.

BiotechHealthtechMedical DevicesCambridge, US

STEVEN ERTEL(Executive Officer)ROBERT STEININGER(Executive Officer)KEVIN F. MCLAUGHLIN(Executive Officer)RICHARD POPS(Director)EDWIN M. KANIA(Director)CARL L. GORDON(Director)

Co-investorsBessemer Venture Partners Foresite Capital Lightstone Ventures Sofinnova Ventures Venrock Collaborative Fund

Acceleron Fusionacceleron.energyDec 2024 · $24M

Acceleron is developing muon-catalyzed fusion technology, building a high-efficiency muon source and a high-density fusion cell to produce net-energy fusion power.

Climate TechDeep TechEnergyCambridge, US

Ara Knaian(Executive Officer, Director)Seth Newburg(Executive Officer, Director)

Co-investorsCollaborative Fund

Aepnusaepnus.com in

Aepnus is developing a sulfate recycling process that regenerates chemicals on-site from sodium sulfate waste, with a planned demonstration-scale plant designed to process over 500 tonnes of sodium sulfate annually.

Circular EconomyCleantechNew Materials

Lukas Hackl(Founder)in

Co-investorsClean Energy Ventures ISV LOWERCARBON NextFab Ventures Voyager Partners IMPACT SCIENCE VENTURES +1 more

Air Co

Fast-tracking sustainable jet fuel.

AIRCO

Converts captured CO2 into carbon-negative synthetic fuels through proprietary AIRMADE™ technology.

Co-investorsJetBlue Ventures LOWERCARBON SKY VC

Airloom

Co-investorsLOWERCARBON

Airloom Energyairloom.energy in

Airloom engineers next-generation utility-scale wind turbines designed for mass production and deployment in diverse locations, offering low-cost, reliable energy generation with reduced infrastructure requirements.

CleantechEnergyHardwareLaramie, US

Robert Lumley(Executive Officer, Director)James Singer(Executive Officer, Director)Neal Rickner(Executive Officer, Director)

BoardPhil Larochelle(Director)inJohn Singer(Director)Sarah Lewensohn(Director)

Co-investorsBreakthrough Energy Ventures Amplify Capital Capital Factory Crosscut Ventures Keiki Capital WYVC

Antoraantora.com in 𝕏Oct 2025 · $150M

Antora manufactures thermal battery systems for long-duration energy storage, serving manufacturers and data centers seeking to tap into low-cost renewable power.

CleantechEnergyEnterprise SoftwareHardwareSunnyvale, US

Andrew Ponec(Chief Executive Officer, co-founder)inDavid BiermanJustin BriggsDavid Bierman, Ph.D.(Chief Commercial Officer, co-founder)Justin Briggs, Ph.D.(Chief Operating Officer, co-founder)

BoardChristina Karapataki(Director)in

Co-investorsTemasek Congruent Ventures Creative Destruction Lab (CDL)Fifty Years GS Futures ISV +12 more

Arborjoinarbor.com in 𝕏

Arbor provides a platform that helps households access renewable electricity at lower costs while reducing energy-related complexity.

ConsumerEnergySaaS

Co-investors645 Ventures City Light First Round Capital FJ Labs Obvious Ventures Third Sphere +3 more

Arc

Arca

Turn mine waste into climate gold.

Artycshipartyc.com in

ShipArty builds IoT-enabled temperature-controlled containers and software platform to reduce cold chain spoilage for medicines, vaccines, and other temperature-sensitive products.

HealthtechIoTLogistics & Supply ChainMedical DevicesFremont, US

Hannah Sieber(Executive Officer, Director, Promoter)Sandor Langer(Executive Officer, Director, Promoter)

BoardLuisa Sucre(Director)inDuncan Turner(Director)in

Co-investorsBeyond Capital Collaborative Fund Course Corrected VC Holding II LOWERCARBON Keiki Capital Massive +2 more

Astroastronauts.id in

ASTRO is an e-commerce platform offering daily essentials including fresh produce, frozen meat, beverages, snacks, household products, beauty items, and private label products through its Astro Goods and Astro Kitchen brands.

ConsumerDirect to ConsumerE-commerce

Co-investorsAC Ventures Accel Capria Ventures Endeavor Catalyst FJ Labs Andreessen Horowitz +3 more

Astroastroenergy.ai in

Astro acquires land and secures grid connections for renewable energy projects, then sells the developed sites to larger energy companies.

Advanced ManufacturingAI & Machine LearningEnergyNew York City, US

Alex Fuster(Founder)in

Co-investorsY Combinator Andreessen Horowitz LOWERCARBON

Astro Mechanicaastromecha.co in 𝕏

Astromecha designs engines, airframes, and flight systems for next-generation aerospace applications, including supersonic aircraft.

Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US

Ian Brooke(Founder)in

Co-investorsAlumni Ventures Andreessen Horowitz Basecamp Fund Blue Ivy Ventures Industrious Ventures Julian Capital +5 more

Atana ElementsFeb 2026

Houston, US

David Edwards(Executive Officer)Thomas Wilson(Executive Officer, Director)

BoardRaef Sully(Director)Sidney Brown(Director)

Co-investorsVerve Ventures Earthshot Ventures Sunna Ventures Volta Energy Technologies WovenEarth

Avalancheuseavalanche.comApr 2026 · $29MDefunct

Avalanche provides software development tools that startups can integrate to build and operate referral programs within their products.

Enterprise SoftwareMarketing TechSan Francisco, US

Elezhan (Ijan) Zhakiya(Founder)in

Co-investorsRA Capital Y Combinator 8090 Industries Congruent Ventures Founders Fund Toyota Ventures

Avalancheavax.network in 𝕏Apr 2026 · $29M

The Avalanche Foundation is a non-profit organization that supports innovation and growth in the Avalanche ecosystem through grants, programs, and strategic support for developers, entrepreneurs, and communities building on the Avalanche blockchain platform.

Crypto & Web3Data & InfrastructureDeveloper ToolsEnterprise SoftwareFintech

Emin Gun Sirer(Founder)in

Co-investorsa16z crypto Aegis Ventues Andreessen Horowitz Andromeda Capital BaseTwo Big Brain Holdings +25 more

Avalancheavalabs.org in 𝕏Feb 2026 · $29M

Ava Labs is a company building blockchain infrastructure and tools for creating and using finance applications.

Crypto & Web3Data & InfrastructureDeep TechFintechNew York City, US

Emin Gün Sirer(Founder & CEO)in

Co-investorsAnimoca Brands Abstract Ventures Ceras Ventures Continue Capital Lvna Capital 8090 Industries +5 more

Avalanche

Base Powerbasepowercompany.com in 𝕏

Base Power provides residential battery systems and retail electric provider services to customers in Texas.

CleantechEnergyHardwareTexas, US

Zach Dell(CEO)inJustin Lopas(Co-founder)in

Co-investors137 Ventures Andreessen Horowitz Avenir Growth Capital CapitalG Congruent Ventures Contrary +20 more

Biosphere

Co-investorsLOWERCARBON

Breathe

Squeezing more juice from batteries.

Co-investorsLOWERCARBON

BurnBotburnbot.com in 𝕏Feb 2024

BurnBot builds purpose-built, remotely controlled machines and services for wildfire mitigation, fuels management, vegetation control, and timber operations.

CleantechClimate TechHardwareRoboticsSouth San Francisco, US

Waleed Haddad(Executive Officer, Director)

BoardAnukool Lakhina(Executive Officer, Director)in

Co-investorsAmerican Family Ventures Convective Capital DBL Partners DCVC (Data Collective)Ecosystem Integrity Fund HAWKTAIL +8 more

Carbon Crushercarboncrusher.io in 𝕏

Carbon Crusher uses lignin-based materials to recycle existing road surfaces into carbon-negative replacements, removing approximately 1.5 tonnes of CO2 per 100 feet of road.

Advanced ManufacturingClimate TechOslo, NO

Haakon Brunell(Founder)inHans Arne Flåto(Founder)inKristoffer Roil(Founder)in

Co-investorsLOWERCARBON Metaplanet Y Combinator

Carbon Engineeringcarbonengineering.com in 𝕏Acquired

Carbon Engineering is a Direct Air Capture (DAC) technology company, founded in 2009, that develops systems to capture large volumes of CO2 directly from the atmosphere.

CleantechClimate TechDeep TechSquamish, CA

Co-investorsDesigner Fund ETCapital Khosla Ventures LOWERCARBON WUTIF Capital Airbus +1 more

CargoKite

Clean kitesurfing cargo ships.

Co-investorsLOWERCARBON

Charmcharm.sh 𝕏

Charm develops open-source tools and libraries for building glamorous command-line interfaces and terminal user experiences, including CLI frameworks, UI components, and integrations with language models.

Developer Tools

Co-investorsBetaworks Cavalry Ventures Gradient Ventures LOWERCARBON Fuel Capital Khosla Ventures +4 more

Charm Industrialcharmindustrial.com in 𝕏

Charm Industrial converts agricultural residues into bio-oil and injects it underground to remove carbon from the atmosphere at scale.

AgTechCleantechClimate Tech

Shaun Meehan(Chief Scientist and co-founder)

Co-investorsAzolla Ventures Breyer Capital Congruent Ventures Kinnevik LIONHEART VENTURES Prime Impact Fund +6 more

Clairityclairitytech.com

Clairity develops Direct Air Capture and ex-situ mineralization technology that uses low-cost chemicals and standard construction materials to remove CO2 from the atmosphere and produce enriched CO2 streams.

CleantechClimate TechDeep Tech

Co-investorsLOWERCARBON

Cloover

Europe's solar financing on-switch.

Commonwealthcommonwealth.imAug 2025 · $863M

Commonwealth (commonwealth.im) is a DAO coordination platform; the sources supplied contain no verifiable information about it.

Co-investorsCanaan Partners Coinbase Ventures IOSG Ventures Nascent Breakthrough Energy Ventures Future Ventures +9 more

Commonwealth

Commonwealth Fusion Systemscfs.energy in 𝕏

Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.

CleantechClimate TechDeep TechEnergyCambridge, US

Brandon Sorbom(Founder)Robert Mumgaard(Executive Officer, Director)Daniel Brunner(Executive Officer)Bob Mumgaard(Founder)in

BoardMassimiliano Pieri(Director)Katie Rae(Director)in

Co-investorsAdvection Growth Capital Armada Investment AG Bay Bridge Ventures Climate Beni Venture Capital Brainstorm Ventures Breakthrough Energy Ventures +38 more

Compound Foodscompound-foods.com in

Compound Foods develops alternative coffee and cocoa ingredients made from upcycled, climate-resilient sources to address supply chain volatility and environmental impact of traditional coffee and cocoa production.

Climate TechFoodTech

Maricel Saenz(Founder)in

Co-investorsAmplifica Capital Collaborative Fund Female Founders Juniper Magma Partners Maple VC +6 more

Crusoe

Cruxcruxclimate.com in 𝕏Apr 2025 · $50M

Crux is a capital platform that modernizes financing for clean energy and critical infrastructure projects through advisory, investment, technology, and intelligence services.

CleantechData & InfrastructureEnergyFintechNew York, US

Allen Kramer(Co-founder & COO)inAlfred Johnson(Co-founder & CEO)in

Co-investorsAcrew Capital Andreessen Horowitz Ardent Venture Broadscale Commonweal Ventures Giant Ventures Global Llp +7 more

Dendra

Dendra Systemsdendra.ioDefunct

World leader in drone-based restoration of degraded land

Matthew Ritchie(Founder)in

Co-investorsAt One Ventures LOWERCARBON Systemiq Capital VentureSouq Zouk Capital Airbus +2 more

Ecosafi

Cleaning up Africa's cookstoves.

Electrago-electra.com in 𝕏Apr 2025

Electra operates a network of fast-charging stations for electric vehicles across Europe, aiming to remove adoption barriers by making EV charging convenient and time-efficient for motorists.

CleantechEnergyMobility & Transportation

Aurelien de Meaux(Founder)in

Co-investorsFrst Kima Ventures Snowflake Ventures BHP Ventures Breakthrough Energy Ventures Capricorn Investment Group +6 more

Electraelectra.earth inApr 2025

Electra develops a chemistry-based iron production process powered by clean energy to produce iron at scale without environmental damage.

Advanced ManufacturingCleantechNew Materials

Co-investorsBaruch Future Ventures Breakthrough Energy Ventures Congruent Ventures Earth Venture Capital LOWERCARBON S2G Investments +6 more

Eli

The API that wrangles IRA dollars.

Emerald AIemeraldai.co in 𝕏Oct 2025 · $42.5M

Emerald AI develops software to enable power flexibility in data centers by orchestrating power demand in response to grid needs.

AI & Machine LearningCloud ComputingData & InfrastructureDeep TechEnergyBoston, US

Dr. Varun Sivaram(CEO and Founder)Varun Sivaram(Co-founder)inAyse Coskun(Chief Scientist)in

BoardRob Toews(Director)inMarkus Specks(Director)

Co-investorsCarbon Congruent Ventures Energy Impact Partners Neotribe Ventures NVentures NVIDIA +3 more

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.

Exits · 1

IPOs and acquisitions across the tracked portfolio

Pachamaacq. by Carbon Direct

Portfolio news

latest coverage across their companies

Billion-dollar machine aims to set a fusion-energy record — and study nuclear weapons | Nature

Pacific Fusion · nature.com · Aug 24, 2026

Carbon Removal Technology Market Size to Reach USD 2.49 Billion by 2035, Driven by Rising Investments in Direct Air Capture and Carbon Removal Solutions

Carbon Removal · openpr.com · Aug 21, 2026

Thea Energy Extends Series B Funding After Earlier $100 Million Round | energynews.pro

Thea Energy · energynews.pro · Aug 19, 2026

Alberta government renews Avalanche Canada funding after five-month wait

Avalanche · calgarysun.com · Aug 18, 2026

Antora has raised $550 Million in new Series C funding - intelligence360

Antora · intelligence360.news · Aug 17, 2026

Fusion startups with over $100M raised: A 2026 funding landscape

Zap Energy · stockpil.com · Aug 16, 2026

Every fusion startup that has raised over $100M | TechCrunch

Xcimer · techcrunch.com · Aug 15, 2026

Seed Oils as a Driver of Heart Disease – Zero Acre Farms

Zero Acre Farms · zeroacre.com · Aug 14, 2026

Frequently asked questions

How many investments has Lowercarbon Capital made?: Lowercarbon Capital has 117 tracked investments, 1 of which have exited via acquisition or IPO, including 12 dated in the last 24 months.
What stage does Lowercarbon Capital invest at?: Lowercarbon Capital invests at the Seed, Series A, Series B, Series C, Growth, Late Stage stages.
What is Lowercarbon Capital's typical check size?: Lowercarbon Capital typically writes checks of $100K – $5M.
What sectors does Lowercarbon Capital focus on?: Lowercarbon Capital focuses on AgTech, Cleantech, Climate Tech, Deep Tech, Energy, Mobility & Transportation, New Materials.
Where is Lowercarbon Capital located?: Lowercarbon Capital is headquartered in New York, US.
Does Lowercarbon Capital lead rounds?: Yes, Lowercarbon Capital leads investment rounds.
Who does Lowercarbon Capital co-invest with?: Lowercarbon Capital most often shares deals with LOWERCARBON, Y Combinator, Breakthrough Energy Ventures, among 276 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Inside the Trillion-Dollar Climate Industrial Revolution w/ Shawn Xu, Lowercarbon Capital

Sarah Chen-Spellings · Shawn Xu

Lighting the Fuse | Alan Chang (Fuse Energy) with Clay Dumas (Lowercarbon Capital)

Slush · Clay Dumas

How to Unf*ck the Planet | Chris Sacca (Lowercarbon Capital)

Slush · Chris Sacca

future proof: The secret to selling sustainability with Lowercarbon Capital's Clay Dumas

Watershed · Clay Dumas

Clay Dumas, Cofondateur et General Partner, Lowercarbon Capital - VOST

Bpifrance · Clay Dumas

Clay Dumas, Cofondateur et General Partner, Lowercarbon Capital

Bpifrance · Clay Dumas

Images

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