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

> The 50 best-funded energy startups founded in 2019, ranked by total funding raised: $8.0B combined. With founding year, headquarters and each company's rounds.

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

- 1 [**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
- 2 [**Madison Energy Infrastructure** Madison Energy Infrastructure is a platform that creates, owns, and manages renewable energy projects.](https://millionrounds.com/company/madison-energy-infrastructure) Madison Energy Infrastructure is a platform that creates, owns, and manages renewable energy projects. *Founded* 2019 New York, United States **$800M** last round Sept 2025
- 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 [**Primergy Solar** Primergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects.](https://millionrounds.com/company/primergy-solar) Primergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects. *Founded* 2019 Oakland, United States **$760M** last round Mar 2026
- 5 [**Doral Renewables** Doral Renewables develops, constructs, and operates large-scale renewable energy projects.](https://millionrounds.com/company/doral-renewables) Doral Renewables develops, constructs, and operates large-scale renewable energy projects. *Founded* 2019 MIDDLE CITY WEST, United States **$525M** last round Mar 2026
- 6 [**O2 Power** O2 Power is a renewable energy and environment counseling company.](https://millionrounds.com/company/o2-power) O2 Power is a renewable energy and environment counseling company. *Founded* 2019 India **$500M** last round Jan 2020
- 7 [**Broad Reach Power** Broad Reach Power is an independent power producer.](https://millionrounds.com/company/broad-reach-power) Broad Reach Power is an independent power producer. *Founded* 2019 Houston, United States **$435M** last round Jul 2023
- 8 [**Octopus Renewables Infrastructure Trust** Octopus Renewables Infrastructure Trust is a closed end investment company incorporated in England and Wales.](https://millionrounds.com/company/octopus-renewables-infrastructure-trust) Octopus Renewables Infrastructure Trust is a closed end investment company incorporated in England and Wales. *Founded* 2019 London, United Kingdom **$431M** last round Feb 2025
- 9 [**SK IE Technology** SK IE Technology is a global top lithium-ion battery separator player under South Korea’s energy and battery maker SK Innovation Co.](https://millionrounds.com/company/sk-ie-technology) SK IE Technology is a global top lithium-ion battery separator player under South Korea’s energy and battery maker SK Innovation Co. *Founded* 2019 Seoul **$300M** last round May 2023
- 10 [**Pipestone Energy** Pipestone Energy Corp is an oil & gas exploration & production company that aims the exploration of condensate-rich Montney assets.](https://millionrounds.com/company/pipestone-energy) Pipestone Energy Corp is an oil & gas exploration & production company that aims the exploration of condensate-rich Montney assets. *Founded* 2019 Calgary, Canada **$280M** last round Oct 2021
- 11 [**WattBridge** WattBridge provides a single source solution for energy customers to safely and cost-effectively transition.](https://millionrounds.com/company/wattbridge) WattBridge provides a single source solution for energy customers to safely and cost-effectively transition. *Founded* 2019 Houston, United States **$265M** last round Jul 2022
- 12 [**DSD Renewables** DSD Renewables is a renewable energy solutions company that develops, constructs, and operates renewable energy projects.](https://millionrounds.com/company/dsd-renewables) DSD Renewables is a renewable energy solutions company that develops, constructs, and operates renewable energy projects. *Founded* 2019 Schenectady, United States **$238M** last round Jul 2025
- 13 [**VEIR** VEIR is a technology company founded in 2019, based in Woburn, Massachusetts.](https://millionrounds.com/company/veir) VEIR is a technology company founded in 2019, based in Woburn, Massachusetts. *Founded* 2019 Woburn, United States **$185M** last round Oct 2026
- 14 [**Nyobolt** Nyobolt is an energy storage technology company based in Cambridge, UK, founded in 2019.](https://millionrounds.com/company/nyobolt) Nyobolt is an energy storage technology company based in Cambridge, UK, founded in 2019. *Founded* 2019 Impington, United Kingdom **$155M** last round Aug 2026
- 15 [**Enshore** Enshore is a UK based subsea trenching company, providing seabed intervention services to mega-projects across industry around the world.](https://millionrounds.com/company/enshore) Enshore is a UK based subsea trenching company, providing seabed intervention services to mega-projects across industry around the world. *Founded* 2019 Blyth, United Kingdom **$138M** last round Jan 2026
- 16 [**Breathe Battery Technologies** Breathe Battery Technologies is a developer of electric vehicle battery charging control software for automotive manufacturers.](https://millionrounds.com/company/breathe-battery-technologies) Breathe Battery Technologies is a developer of electric vehicle battery charging control software for automotive manufacturers. *Founded* 2019 United Kingdom **$132M** last round Aug 2026
- 17 [**Last Energy** Last Energy is an American company focused on developing next-generation micro-modular nuclear power plants.](https://millionrounds.com/company/last-energy) Last Energy is an American company focused on developing next-generation micro-modular nuclear power plants. *Founded* 2019 Austin, United States **$100M** last round Dec 2025
- 18 [**Maxeon Solar Technologies** Maxeon Solar Technologies designs and manufactures SunPower brand solar panels.](https://millionrounds.com/company/maxeon-solar-technologies) Maxeon Solar Technologies designs and manufactures SunPower brand solar panels. *Founded* 2019 Singapore, Singapore **$98M** last round May 2024
- 19 [**Sunly** Sunly develops and operates renewable energy projects and invests in electrification startups.](https://millionrounds.com/company/sunly) Sunly develops and operates renewable energy projects and invests in electrification startups. *Founded* 2019 Tallinn, Estonia **$97M** last round Jul 2025
- 20 [**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
- 21 [**Pearlx Infrastructure** Pearlx Infrastructure is specialized in digitally connecting global infrastructure assets and offers energy leasing position.](https://millionrounds.com/company/pearlx-infrastructure) Pearlx Infrastructure is specialized in digitally connecting global infrastructure assets and offers energy leasing position. *Founded* 2019 Charlottesville, United States **$70M** last round Sept 2022
- 22 [**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
- 23 [**ZE Energy** ZE Energy is a Paris-based independent renewable energy producer founded in 2019.](https://millionrounds.com/company/ze-energy) ZE Energy is a Paris-based independent renewable energy producer founded in 2019. *Founded* 2019 Paris, France **$59M** last round Nov 2024
- 24 [**Uplight** Uplight provides end-to-end customer-centric technology solutions.](https://millionrounds.com/company/uplight) Uplight provides end-to-end customer-centric technology solutions. *Founded* 2019 Boulder, United States **$58M** last round Mar 2026
- 25 [**Sicona Battery Technologies** Sicona develops next generation battery technology used in the anodes of lithium-ion batteries.](https://millionrounds.com/company/sicona-battery-technologies) Sicona develops next generation battery technology used in the anodes of lithium-ion batteries. *Founded* 2019 Wollongong, Australia **$58M** last round May 2026
- 26 [**National Electric Grid of Uzbekistan** National Electric Grid of Uzbekistan operation and development of the main electric networks of the Republic of Uzbekistan.](https://millionrounds.com/company/national-electric-grid-of-uzbekistan) National Electric Grid of Uzbekistan operation and development of the main electric networks of the Republic of Uzbekistan. *Founded* 2019 Tashkent, Uzbekistan **$47M** last round Oct 2022
- 27 [**Hypersonix Launch Systems** Hypersonix Launch Systems is an Australian aerospace engineering company based in Carole Park, Queensland, founded in 2019 by Dr.](https://millionrounds.com/company/hypersonix-launch-systems) Hypersonix Launch Systems is an Australian aerospace engineering company based in Carole Park, Queensland, founded in 2019 by Dr. *Founded* 2019 Carole Park, Australia **$46M** last round Nov 2025
- 28 [**East Rockingham Waste to Energy** East Rockingham Waste to Energy is a power station that converts waste into sustainable energy.](https://millionrounds.com/company/east-rockingham-waste-to-energy) East Rockingham Waste to Energy is a power station that converts waste into sustainable energy. *Founded* 2019 Rockingham, Australia **$39M** last round Dec 2019
- 29 [**UniverCell Holding GmbH** With everything we do, we aim to harness sustainable energy in order to energize the future.](https://millionrounds.com/company/univercell-holding-gmbh) With everything we do, we aim to harness sustainable energy in order to energize the future. *Founded* 2019 Flintbek, Germany **$35M** last round Mar 2026
- 30 [**ION Storage Systems** ION Storage Systems, based in Beltsville, Maryland, specializes in the manufacturing of advanced solid-state batteries (SSBs) designed for high energy density a](https://millionrounds.com/company/ion-storage-systems) ION Storage Systems, based in Beltsville, Maryland, specializes in the manufacturing of advanced solid-state batteries (SSBs) designed for high energy density a *Founded* 2019 Beltsville, United States **$35M** last round Jun 2026
- 31 [**Gradyent** Gradyent is a Rotterdam-based software company founded in 2019, specializing in Energy Technology and Artificial Intelligence.](https://millionrounds.com/company/gradyent) Gradyent is a Rotterdam-based software company founded in 2019, specializing in Energy Technology and Artificial Intelligence. *Founded* 2019 Rotterdam, Netherlands **$31M** last round Apr 2025
- 32 [**Ambient Photonics** Ambient Photonics is a California-based energy harvesting company founded in 2019.](https://millionrounds.com/company/ambient-photonics) Ambient Photonics is a California-based energy harvesting company founded in 2019. *Founded* 2019 Scotts Valley, United States **$30M** last round Sept 2023
- 33 [**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
- 34 [**Barocal** Barocal is a Cambridge University spin-out founded in 2019, focused on developing solid-state cooling and heating technologies.](https://millionrounds.com/company/barocal) Barocal is a Cambridge University spin-out founded in 2019, focused on developing solid-state cooling and heating technologies. *Founded* 2019 Cambridge, United Kingdom **$23M** last round May 2026
- 35 [**David Energy** David Energy is a technology-driven retail energy provider based in New York City, founded in 2019.](https://millionrounds.com/company/david-energy) David Energy is a technology-driven retail energy provider based in New York City, founded in 2019. *Founded* 2019 New York, United States **$23M** last round May 2024
- 36 [**Venturous Group** Venturous Group is a CitytechTM business builder and investor.](https://millionrounds.com/company/venturous-group) Venturous Group is a CitytechTM business builder and investor. *Founded* 2019 Beijing **$21M** last round Aug 2023
- 37 [**XL Batteries** XL Batteries develops a technology platform to reduce waste formation.](https://millionrounds.com/company/xl-batteries) XL Batteries develops a technology platform to reduce waste formation. *Founded* 2019 Brooklyn, United States **$21M** last round Jul 2026
- 38 [**HIF Global** HIF Global is an eFuel company engaged in the production of carbon-neutral fuels.](https://millionrounds.com/company/hif-global) HIF Global is an eFuel company engaged in the production of carbon-neutral fuels. *Founded* 2019 Santiago, Chile **$20M** last round Sept 2024
- 39 [**UP Catalyst** UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry.](https://millionrounds.com/company/up-catalyst) UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry. *Founded* 2019 Tallinn, Estonia **$20M** last round Apr 2026
- 40 [**Gen2 Energy** Gen2 Energy creates, runs, and manages a green hydrogen supply chain.](https://millionrounds.com/company/gen2-energy) Gen2 Energy creates, runs, and manages a green hydrogen supply chain. *Founded* 2019 Horten, Norway **$17M** last round Mar 2022
- 41 [**Stabl Energy** STABL Energy is a German renewable energy company based in Munich, founded in 2019.](https://millionrounds.com/company/stabl-energy) STABL Energy is a German renewable energy company based in Munich, founded in 2019. *Founded* 2019 Munich, Germany **$17M** last round Aug 2023
- 42 [**SolarDuck** SolarDuck develops and deploys offshore floating solar energy solutions to accelerate renewable energy growth.](https://millionrounds.com/company/solarduck) SolarDuck develops and deploys offshore floating solar energy solutions to accelerate renewable energy growth. *Founded* 2019 Nijmegen, Netherlands **$17M** last round Dec 2023
- 43 [**E-magy** Advanced materials company that supplies nano-porous silicon for high-energy lithium-ion batteries.](https://millionrounds.com/company/e-magy) Advanced materials company that supplies nano-porous silicon for high-energy lithium-ion batteries. *Founded* 2019 Broek Op Langedijk, Netherlands **$16M** last round Apr 2023
- 44 [**Westgen Technologies** Westgen is a remote power generation company that reduces development costs while improving environmental sustainability.](https://millionrounds.com/company/westgen-technologies) Westgen is a remote power generation company that reduces development costs while improving environmental sustainability. *Founded* 2019 Calgary, Canada **$16M** last round Jun 2022
- 45 [**Libattion** Libattion AG is a Zurich-based company that specializes in modular, high-performance battery energy storage systems (BESS) for commercial, industrial, and utili](https://millionrounds.com/company/libattion) Libattion AG is a Zurich-based company that specializes in modular, high-performance battery energy storage systems (BESS) for commercial, industrial, and utili *Founded* 2019 Maur, Switzerland **$15M** last round Jun 2024
- 46 [**Charge+** &Charge is a Frankfurt-based startup focused on the electric vehicle (EV) charging ecosystem.](https://millionrounds.com/company/charge) &Charge is a Frankfurt-based startup focused on the electric vehicle (EV) charging ecosystem. *Founded* 2019 Frankfurt, Singapore **$14M** last round Apr 2026
- 47 [**Energy Robotics** Energy Robotics is a developer of software solutions for mobile inspection robots.](https://millionrounds.com/company/energy-robotics) Energy Robotics is a developer of software solutions for mobile inspection robots. *Founded* 2019 Darmstadt, Germany **$14M** last round Oct 2025
- 48 [**Swisspod** Swisspod is a Swiss-American transportation technology company founded in 2019, focused on developing fully-electric, high-speed Hyperloop solutions for sustain](https://millionrounds.com/company/swisspod) Swisspod is a Swiss-American transportation technology company founded in 2019, focused on developing fully-electric, high-speed Hyperloop solutions for sustain *Founded* 2019 Lausanne, Switzerland **$13M** last round Nov 2025
- 49 [**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
- 50 [**Proof Energy** We are revolutionizing power generation using readily available renewable fuels.](https://millionrounds.com/company/proof-energy) We are revolutionizing power generation using readily available renewable fuels. *Founded* 2019 Fremont, United States **$12M** last round Jul 2022

**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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