# Top 50 Cleantech Startups Founded in 2019 by Funding (2026)

> The 50 best-funded cleantech startups founded in 2019, ranked by total funding raised: $4.5B combined.

Source: https://millionrounds.com/top-lists/cleantech-startups-founded-2019 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Kyoto Fusioneering** Kyoto Fusioneering Ltd.](https://millionrounds.com/company/kyoto-fusioneering) Kyoto Fusioneering Ltd. *Founded* 2019 Chiyoda, Japan **$1.3B** last round Aug 2026
- 2 [**Avantus** Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.](https://millionrounds.com/company/avantus) Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy. *Founded* 2019 El Dorado Hills, United States **$800M** last round Sept 2026
- 3 [**Panamint Capital** Panamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation.](https://millionrounds.com/company/panamint-capital) Panamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation. *Founded* 2019 United States **$769M** last round Nov 2026
- 4 [**Field** Field is Strava for football, tennis and padel.](https://millionrounds.com/company/field) Field is Strava for football, tennis and padel. *Founded* 2019 United Kingdom **$265M** last round Sept 2024
- 5 [**GeoPura** GeoPura is enabling the production, transport, and use of zero-emissions fuels with innovative and commercially viable technology.](https://millionrounds.com/company/geopura) GeoPura is enabling the production, transport, and use of zero-emissions fuels with innovative and commercially viable technology. *Founded* 2019 Wysall, United Kingdom **$194M** last round Aug 2026
- 6 [**Terabase Energy** Terabase Energy is a solar technology company based in Berkeley, California, founded in 2019.](https://millionrounds.com/company/terabase-energy) Terabase Energy is a solar technology company based in Berkeley, California, founded in 2019. *Founded* 2019 Berkeley, United States **$130M** last round Mar 2025
- 7 [**GreenCell Mobility** GreenCell Mobility offers clean, cost-effective, and on-demand shared e-mobility solutions.](https://millionrounds.com/company/greencell-mobility) GreenCell Mobility offers clean, cost-effective, and on-demand shared e-mobility solutions. *Founded* 2019 India **$124M** last round Oct 2026
- 8 [**TagEnergy** TagEnergy generates and trades competitive, clean power to accelerate energy transition.](https://millionrounds.com/company/tagenergy) TagEnergy generates and trades competitive, clean power to accelerate energy transition. *Founded* 2019 Lisbon, Portugal **$88M** last round Feb 2024
- 9 [**Type One Energy** Stellarator technology to transform energy markets with fusion power.](https://millionrounds.com/company/type-one-energy) Stellarator technology to transform energy markets with fusion power. *Founded* 2019 Knoxville, United States **$88M** last round Sept 2026
- 10 [**Moment Energy** Moment Energy provides clean, affordable, and reliable energy storage by repurposing retired electric vehicle batteries.](https://millionrounds.com/company/moment-energy) Moment Energy provides clean, affordable, and reliable energy storage by repurposing retired electric vehicle batteries. *Founded* 2019 Coquitlam, United States **$63M** last round May 2026
- 11 [**AISTI** AISTI develops wood fiber-based acoustic tiles that are carbon negative, easy to recycle and plastic-free.](https://millionrounds.com/company/aisti) AISTI develops wood fiber-based acoustic tiles that are carbon negative, easy to recycle and plastic-free. *Founded* 2019 Jyvaeskylae, Finland **$54M** last round Dec 2025
- 12 [**NatPower** NatPower is an independent renewable energy development platform that contributes to the energy revolution.](https://millionrounds.com/company/natpower) NatPower is an independent renewable energy development platform that contributes to the energy revolution. *Founded* 2019 Milan, Luxembourg **$53M** last round Apr 2024
- 13 [**EODev** EODev creates and commercializes sustainable, dependable, and cost-effective hydrogen-based energy solutions.](https://millionrounds.com/company/eodev) EODev creates and commercializes sustainable, dependable, and cost-effective hydrogen-based energy solutions. *Founded* 2019 Issy-les-moulineaux, France **$50M** last round Nov 2023
- 14 [**PlasmaLeap Technologies** PlasmaLeap Technologies is an Australian clean-tech company founded in 2019 and based in Sydney.](https://millionrounds.com/company/plasmaleap-technologies) PlasmaLeap Technologies is an Australian clean-tech company founded in 2019 and based in Sydney. *Founded* 2019 Sydney, Australia **$41M** last round Apr 2026
- 15 [**Treehouse** Treehouse is a Food and Beverage Services company.](https://millionrounds.com/company/treehouse) Treehouse is a Food and Beverage Services company. *Founded* 2019 United States **$35M** last round Oct 2024
- 16 [**Factored** Factored is a professional services firm based in Palo Alto, California, founded in 2019 by Israel Niezen and co-founding advisor Dr.](https://millionrounds.com/company/factored) Factored is a professional services firm based in Palo Alto, California, founded in 2019 by Israel Niezen and co-founding advisor Dr. *Founded* 2019 Mountain View, United States **$32M** last round Oct 2026
- 17 [**ROCSYS** ROCSYS is a Dutch-American cleantech and robotics company focused on enhancing electric mobility through autonomous charging solutions.](https://millionrounds.com/company/rocsys) ROCSYS is a Dutch-American cleantech and robotics company focused on enhancing electric mobility through autonomous charging solutions. *Founded* 2019 Rijswijk, Netherlands **$31M** last round Apr 2026
- 18 [**Wetility** Wetility's flagship product is a comprehensive digital solar energy management system that allows users to regulate power usage remotely.](https://millionrounds.com/company/wetility) Wetility's flagship product is a comprehensive digital solar energy management system that allows users to regulate power usage remotely. *Founded* 2019 Johannesburg, South Africa **$28M** last round Jun 2025
- 19 [**eeden** Eeden is a German textile-recycling technology company based in Münster, specializing in chemical recycling processes for textile waste.](https://millionrounds.com/company/eeden) Eeden is a German textile-recycling technology company based in Münster, specializing in chemical recycling processes for textile waste. *Founded* 2019 Muenster, Germany **$21M** last round Apr 2025
- 20 [**CarbonQuest** CarbonQuest is a climate technology company focused on modular, distributed carbon capture solutions.](https://millionrounds.com/company/carbonquest) CarbonQuest is a climate technology company focused on modular, distributed carbon capture solutions. *Founded* 2019 New York, United States **$20M** last round Feb 2025
- 21 [**Power to Hydrogen** Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.](https://millionrounds.com/company/power-to-hydrogen) Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals. *Founded* 2019 Columbus, United States **$18M** last round Aug 2024
- 22 [**Ivy Energy** Ivy Energy is a Cleantech brand and multifamily solar billing software platform based in San Diego, California.](https://millionrounds.com/company/ivy-energy) Ivy Energy is a Cleantech brand and multifamily solar billing software platform based in San Diego, California. *Founded* 2019 San Diego, United States **$18M** last round Apr 2024
- 23 [**NewVolt** Transport, Renewable Energy, Electric Trucks, Charging, Logistics, Freight](https://millionrounds.com/company/newvolt) Transport, Renewable Energy, Electric Trucks, Charging, Logistics, Freight *Founded* 2019 Melbourne, Australia **$17M** last round Mar 2026
- 24 [**auum** auum is a French industrial company founded in 2019, dedicated to promoting sustainable practices by providing an eco-responsible glass-cleaning solution called auum-S.](https://millionrounds.com/company/auum) auum is a French industrial company founded in 2019, dedicated to promoting sustainable practices by providing an eco-responsible glass-cleaning solution called auum-S. *Founded* 2019 Paris, France **$17M** last round Apr 2025
- 25 [**Sonic Fire Tech** Sonic Fire Tech is a Cleveland-based company specializing in fire-suppression technology.](https://millionrounds.com/company/sonic-fire-tech) Sonic Fire Tech is a Cleveland-based company specializing in fire-suppression technology. *Founded* 2019 Cleveland, United States **$15M** last round Aug 2026
- 26 [**Peppermint Robotics** Peppermint Robotics is a full-stack robotics company based in Pune, India, founded in May 2019 by Runal Dahiwade.](https://millionrounds.com/company/peppermint-robotics) Peppermint Robotics is a full-stack robotics company based in Pune, India, founded in May 2019 by Runal Dahiwade. *Founded* 2019 Pune, India **$15M** last round Nov 2025
- 27 [**Ocergy** Ocergy is a technology company based in Oakland, California, focused on sustainable offshore solutions that combine green energy generation with marine environm](https://millionrounds.com/company/ocergy) Ocergy is a technology company based in Oakland, California, focused on sustainable offshore solutions that combine green energy generation with marine environm *Founded* 2019 Oakland, United States **$14M** last round Apr 2024
- 28 [**Vensum Power** Vensum Power is a Finnish technology startup based in Espoo, specializing in advanced power conversion solutions.](https://millionrounds.com/company/vensum-power) Vensum Power is a Finnish technology startup based in Espoo, specializing in advanced power conversion solutions. *Founded* 2019 Espoo, Finland **$12M** last round Nov 2026
- 29 [**Net Purpose** Net Purpose is a London-based data platform founded in 2019 that specializes in providing quantitative data on the social and environmental outcomes of companie](https://millionrounds.com/company/net-purpose) Net Purpose is a London-based data platform founded in 2019 that specializes in providing quantitative data on the social and environmental outcomes of companie *Founded* 2019 London, United Kingdom **$12M** last round Oct 2025
- 30 [**MGA Thermal** MGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions.](https://millionrounds.com/company/mga-thermal) MGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions. *Founded* 2019 Tomago, Australia **$12M** last round Mar 2026
- 31 [**VECKTA** VECKTA is an innovative onsite energy procurement and intelligence platform based in San Diego, California.](https://millionrounds.com/company/veckta) VECKTA is an innovative onsite energy procurement and intelligence platform based in San Diego, California. *Founded* 2019 San Diego, United States **$11M** last round Oct 2026
- 32 [**King Energy** King Energy is a next-generation energy company that brings solar power to multi-tenant commercial properties.](https://millionrounds.com/company/king-energy) King Energy is a next-generation energy company that brings solar power to multi-tenant commercial properties. *Founded* 2019 Durango, United States **$10M** last round Dec 2025
- 33 [**Planet FWD** Planet FWD is a sustainability management and decarbonization platform founded in 2019, based in San Francisco, California.](https://millionrounds.com/company/planet-fwd) Planet FWD is a sustainability management and decarbonization platform founded in 2019, based in San Francisco, California. *Founded* 2019 San Francisco, United States **$10M** last round May 2022
- 34 [**SolarGreen** Solargreen is a solatube dealer that offers solar solutions for residential and commercial needs.](https://millionrounds.com/company/solargreen) Solargreen is a solatube dealer that offers solar solutions for residential and commercial needs. *Founded* 2019 Englewood, Canada **$7.7M** last round Jan 2013
- 35 [**CARNOT** CARNOT, operating as Carnot Engines, is a London-based technology start-up founded in 2019 by engineers Archie Watts Farmer, Francis Lempp, and Nadiur Rahman.](https://millionrounds.com/company/carnot) CARNOT, operating as Carnot Engines, is a London-based technology start-up founded in 2019 by engineers Archie Watts Farmer, Francis Lempp, and Nadiur Rahman. *Founded* 2019 London, United Kingdom **$7.1M** last round Feb 2026
- 36 [**3ti Energy Hubs** 3ti Energy Hubs is a UK-based renewable energy company founded in March 2019, specializing in the design, installation, funding, and operation of solar car park](https://millionrounds.com/company/3ti-energy-hubs) 3ti Energy Hubs is a UK-based renewable energy company founded in March 2019, specializing in the design, installation, funding, and operation of solar car park *Founded* 2019 Guildford, United Kingdom **$6.9M** last round Jan 2025
- 37 [**RheEnergise** RheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative High-Density Hydro® (HD Hydro®) technology.](https://millionrounds.com/company/rheenergise) RheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative High-Density Hydro® (HD Hydro®) technology. *Founded* 2019 London, United Kingdom **$6.3M** last round Sept 2026
- 38 [**Quantified Energy Labs** Quantified Energy Labs is a site PV module quality evaluation.](https://millionrounds.com/company/quantified-energy-labs) Quantified Energy Labs is a site PV module quality evaluation. *Founded* 2019 Singapore **$6.0M** last round Dec 2025
- 39 [**Chara Technologies** Chara Technologies is a Bengaluru-based company focused on developing efficient, sustainable, and accessible motor technologies.](https://millionrounds.com/company/chara-technologies) Chara Technologies is a Bengaluru-based company focused on developing efficient, sustainable, and accessible motor technologies. *Founded* 2019 Bengaluru, India **$5.9M** last round Oct 2025
- 40 [**Tewke** Tewke is a London-based climate technology and home automation company dedicated to enhancing domestic energy efficiency and simplifying smart-home control.](https://millionrounds.com/company/tewke) Tewke is a London-based climate technology and home automation company dedicated to enhancing domestic energy efficiency and simplifying smart-home control. *Founded* 2019 London, United Kingdom **$5.6M** last round Apr 2026
- 41 [**Symbium** Symbium is a San Francisco-based company focused on government technology and climate solutions.](https://millionrounds.com/company/symbium) Symbium is a San Francisco-based company focused on government technology and climate solutions. *Founded* 2019 San Francisco, United States **$4.0M** last round Apr 2026
- 42 [**Amperecloud** Amperecloud is a Berlin-based SaaS company founded in 2019, specializing in cloud-based energy asset management.](https://millionrounds.com/company/amperecloud) Amperecloud is a Berlin-based SaaS company founded in 2019, specializing in cloud-based energy asset management. *Founded* 2019 Berlin, Germany **$3.6M** last round Jul 2024
- 43 [**Lumen Energy** Lumen Energy focuses on helping building owners save money with clean energy.](https://millionrounds.com/company/lumen-energy) Lumen Energy focuses on helping building owners save money with clean energy. *Founded* 2019 San Francisco, United States **$3.0M** last round Apr 2026
- 44 [**LithiumBank Resources** LithiumBank is enabling people to invest in the future of clean-tech energy.](https://millionrounds.com/company/lithiumbank-resources) LithiumBank is enabling people to invest in the future of clean-tech energy. *Founded* 2019 Vancouver, Canada **$2.8M** last round May 2026
- 45 [**Envola** Envola provides solutions for smart energy management, renewable energy resources, and energy storage.](https://millionrounds.com/company/envola) Envola provides solutions for smart energy management, renewable energy resources, and energy storage. *Founded* 2019 Ulm, Germany **$2.4M** last round Mar 2022
- 46 [**resonanz energy** a machine trading company in the energy sector, automating every step of the value chain, from data to intelligence to execution](https://millionrounds.com/company/resonanz-energy) a machine trading company in the energy sector, automating every step of the value chain, from data to intelligence to execution *Founded* 2019 Berlin, Germany **$2.4M** last round Aug 2021
- 47 [**Field Complete** Field Complete is a field service management software company based in Atlanta, Georgia.](https://millionrounds.com/company/field-complete) Field Complete is a field service management software company based in Atlanta, Georgia. *Founded* 2019 Atlanta, United States **$1.9M** last round Jun 2023
- 48 [**Justclip** Information & Knowledge Organizer.](https://millionrounds.com/company/justclip) Information & Knowledge Organizer. *Founded* 2019 Clermont Herault, France **$1.6M** last round Jul 2025
- 49 [**Anyos** ANYOS is a French engineering company founded in 2019, based in Toulouse, Occitanie.](https://millionrounds.com/company/anyos) ANYOS is a French engineering company founded in 2019, based in Toulouse, Occitanie. *Founded* 2019 Toulouse, France **$1.6M** last round Feb 2023
- 50 [**Rightcharge** Rightcharge is a London-based technology company founded in 2019, specializing in electric vehicle (EV) charging solutions for both businesses and individual drivers.](https://millionrounds.com/company/rightcharge) Rightcharge is a London-based technology company founded in 2019, specializing in electric vehicle (EV) charging solutions for both businesses and individual drivers. *Founded* 2019 London, United Kingdom **$1.4M** last round Sept 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2019 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

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