# Top 50 Energy Startups Founded in 2018 by Funding (2026)

> The 50 best-funded energy startups founded in 2018, ranked by total funding raised: $28B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/energy-startups-founded-2018 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Crusoe Energy Systems** Crusoe Energy Systems provides solutions for the energy industry helping them to reduce routine flaring of natural gas.](https://millionrounds.com/company/crusoe-energy-systems) Crusoe Energy Systems provides solutions for the energy industry helping them to reduce routine flaring of natural gas. *Founded* 2018 Arvada, United States **$12B** last round May 2025
- 2 [**Crusoe** Crusoe is an energy-first AI infrastructure company that develops and operates large-scale, AI-optimized data centers powered by clean energy sources.](https://millionrounds.com/company/crusoe) Crusoe is an energy-first AI infrastructure company that develops and operates large-scale, AI-optimized data centers powered by clean energy sources. *Founded* 2018 Denver, United States **$9.9B** last round Sept 2026
- 3 [**X-Energy Reactor Company**](https://millionrounds.com/company/x-energy-reactor-company) *Founded* 2018 United States **$700M** last round Nov 2025
- 4 [**GIGA Storage** GIGA Storage develops large-scale sustainable energy storage systems.](https://millionrounds.com/company/giga-storage) GIGA Storage develops large-scale sustainable energy storage systems. *Founded* 2018 Amstelveen, Netherlands **$634M** last round Oct 2026
- 5 [**Antora Energy** Antora Energy is an American energy technology company founded in 2018, focused on developing modular thermal batteries that provide reliable, zero-emission hea](https://millionrounds.com/company/antora-energy) Antora Energy is an American energy technology company founded in 2018, focused on developing modular thermal batteries that provide reliable, zero-emission hea *Founded* 2018 San Jose, United States **$565M** last round Jul 2025
- 6 [**Cordelio Power** Cordelio Power is a power producer that is involved in the development, ownership and management of an array of renewable power facilities.](https://millionrounds.com/company/cordelio-power) Cordelio Power is a power producer that is involved in the development, ownership and management of an array of renewable power facilities. *Founded* 2018 Toronto, Canada **$548M** last round Nov 2025
- 7 [**Archaea Energy** Archaea Energy is a developer of renewable natural gas.](https://millionrounds.com/company/archaea-energy) Archaea Energy is a developer of renewable natural gas. *Founded* 2018 Canonsburg, United States **$340M** last round Sept 2021
- 8 [**ASI** Air Space Intelligence (ASI) is a software company that develops AI-powered systems for mission-critical operations in commercial aviation, logistics, and defense.](https://millionrounds.com/company/asi) Air Space Intelligence (ASI) is a software company that develops AI-powered systems for mission-critical operations in commercial aviation, logistics, and defense. *Founded* 2018 Boston, United States **$325M** last round Oct 2026
- 9 [**Kuntian New Energy** Kuntian New Energy is a producer of anode materials for lithium-ion batteries.](https://millionrounds.com/company/kuntian-new-energy) Kuntian New Energy is a producer of anode materials for lithium-ion batteries. *Founded* 2018 China **$295M** last round Jan 2023
- 10 [**Juniper Green Energy** Juniper Green Energy is an operator of solar, hybrid and wind power projects.](https://millionrounds.com/company/juniper-green-energy) Juniper Green Energy is an operator of solar, hybrid and wind power projects. *Founded* 2018 Gurgaon **$226M** last round Jan 2026
- 11 [**Bute Energy** Bute Energy develops sustainable energy initiatives that result in a wealthier, healthier Wales.](https://millionrounds.com/company/bute-energy) Bute Energy develops sustainable energy initiatives that result in a wealthier, healthier Wales. *Founded* 2018 Cardiff, Australia **$211M** last round Jun 2026
- 12 [**Quaise Energy** Quaise Energy is a technology company founded in 2018, originating from the MIT Plasma Science and Fusion Center.](https://millionrounds.com/company/quaise-energy) Quaise Energy is a technology company founded in 2018, originating from the MIT Plasma Science and Fusion Center. *Founded* 2018 Houston, United States **$180M** last round Sept 2026
- 13 [**Plus Power** Plus Power specializes in creating battery energy storage systems that enhance the efficiency and reliability of the electrical grid.](https://millionrounds.com/company/plus-power) Plus Power specializes in creating battery energy storage systems that enhance the efficiency and reliability of the electrical grid. *Founded* 2018 Houston, United States **$160M** last round Nov 2025
- 14 [**Energy Vault** Energy Vault offers a utility-scale, gravity-based storage solution for renewable energy.](https://millionrounds.com/company/energy-vault) Energy Vault offers a utility-scale, gravity-based storage solution for renewable energy. *Founded* 2018 Lugano, Switzerland **$150M** last round Sept 2026
- 15 [**Hecate Grid** Hecate Grid is an independent power producer (IPP) that develops, owns, and operates standalone storage projects.](https://millionrounds.com/company/hecate-grid) Hecate Grid is an independent power producer (IPP) that develops, owns, and operates standalone storage projects. *Founded* 2018 Chicago, United States **$125M** last round Jun 2024
- 16 [**Infravision** Infravision is a global aerial robotics company based in Austin, Texas, with additional offices in Sydney, Australia, and Noida, India.](https://millionrounds.com/company/infravision) Infravision is a global aerial robotics company based in Austin, Texas, with additional offices in Sydney, Australia, and Noida, India. *Founded* 2018 Austin, United States **$114M** last round Nov 2025
- 17 [**Instagrid** Instagrid is a B Corp-certified technology company based in Ludwigsburg, Germany, founded in 2018.](https://millionrounds.com/company/instagrid) Instagrid is a B Corp-certified technology company based in Ludwigsburg, Germany, founded in 2018. *Founded* 2018 Ludwigsburg, Germany **$95M** last round Jan 2024
- 18 [**NGEN** NGEN is an energy technology company that specializes in providing digitized and decentralized electricity systems.](https://millionrounds.com/company/ngen) NGEN is an energy technology company that specializes in providing digitized and decentralized electricity systems. *Founded* 2018 Zirovnica, Slovenia **$81M** last round May 2026
- 19 [**Highland Electric Fleets** Highland Electric Fleets is a turnkey solutions provider that delivers electric school buses to school districts and fleet providers.](https://millionrounds.com/company/highland-electric-fleets) Highland Electric Fleets is a turnkey solutions provider that delivers electric school buses to school districts and fleet providers. *Founded* 2018 Beverly, United States **$75M** last round Jun 2026
- 20 [**Crescent Pass Energy** Crescent Pass Energy is a privately held exploration and production company based in Houston, Texas, founded in 2018.](https://millionrounds.com/company/crescent-pass-energy) Crescent Pass Energy is a privately held exploration and production company based in Houston, Texas, founded in 2018. *Founded* 2018 Houston, United States **$75M** last round Jan 2019
- 21 [**TS Conductor** TS Conductor, based in Huntington Beach, California, is a manufacturer of advanced electric power lines aimed at modernizing the global energy grid.](https://millionrounds.com/company/ts-conductor) TS Conductor, based in Huntington Beach, California, is a manufacturer of advanced electric power lines aimed at modernizing the global energy grid. *Founded* 2018 Huntington Beach, United States **$60M** last round Jul 2024
- 22 [**Quartux** Quartux designs build and operate energy storage systems with intelligent software.](https://millionrounds.com/company/quartux) Quartux designs build and operate energy storage systems with intelligent software. *Founded* 2018 Anzures, Miguel Hidalgo, Mexico **$50M** last round Dec 2025
- 23 [**Caban Systems** Caban Systems designs a software enabled energy storage solution for telecom infrastructure providers worldwide.](https://millionrounds.com/company/caban-systems) Caban Systems designs a software enabled energy storage solution for telecom infrastructure providers worldwide. *Founded* 2018 Burlingame, United States **$50M** last round Apr 2025
- 24 [**Overstory** Overstory is a software company that applies AI to satellite imagery to provide vegetation intelligence, planet tech, and Forestry.](https://millionrounds.com/company/overstory) Overstory is a software company that applies AI to satellite imagery to provide vegetation intelligence, planet tech, and Forestry. *Founded* 2018 Amsterdam, Netherlands **$43M** last round Nov 2025
- 25 [**Veremark** Veremark is a global B2B background screening and reference checking platform founded in 2018.](https://millionrounds.com/company/veremark) Veremark is a global B2B background screening and reference checking platform founded in 2018. *Founded* 2018 London, United Kingdom **$39M** last round May 2026
- 26 [**Greenjoules** Greenjoules Pvt Ltd is a pioneering deep-tech biorefinery based in Chakan, Pune, India, founded in 2018.](https://millionrounds.com/company/greenjoules) Greenjoules Pvt Ltd is a pioneering deep-tech biorefinery based in Chakan, Pune, India, founded in 2018. *Founded* 2018 Khed, India **$33M** last round Nov 2026
- 27 [**Evotrex** Evotrex Zrt is an indoor tracking instrument designed to provide indoor localization technology.](https://millionrounds.com/company/evotrex) Evotrex Zrt is an indoor tracking instrument designed to provide indoor localization technology. *Founded* 2018 United States **$32M** last round Jun 2026
- 28 [**Wuhan Glenro Intelligent Technology** Glenro provides precision motion control, power grid intelligent sensing, and laser micro-nano manufacturing.](https://millionrounds.com/company/wuhan-glenro-intelligent-technology) Glenro provides precision motion control, power grid intelligent sensing, and laser micro-nano manufacturing. *Founded* 2018 Wuhan **$29M** last round Mar 2026
- 29 [**Ampeco** AMPECO is a global software platform provider based in Sofia, Bulgaria, specializing in white-label EV charging management solutions.](https://millionrounds.com/company/ampeco) AMPECO is a global software platform provider based in Sofia, Bulgaria, specializing in white-label EV charging management solutions. *Founded* 2018 Sofia, Bulgaria **$26M** last round Nov 2024
- 30 [**Sharing Energy** Providing Share Denki, PV systems without any initial cost and reasonable service fee.](https://millionrounds.com/company/sharing-energy) Providing Share Denki, PV systems without any initial cost and reasonable service fee. *Founded* 2018 Minato, Japan **$26M** last round Apr 2026
- 31 [**Anaphite** Anaphite is a technology company based in Bristol, specializing in solvent-free, dry coating precursor (DCP®) powders for lithium-ion battery manufacturing.](https://millionrounds.com/company/anaphite) Anaphite is a technology company based in Bristol, specializing in solvent-free, dry coating precursor (DCP®) powders for lithium-ion battery manufacturing. *Founded* 2018 Bristol, United Kingdom **$24M** last round Apr 2026
- 32 [**Eatron Technologies** Eatron Technologies is a UK-based B2B technology company founded in 2018, specializing in AI-powered battery optimization software.](https://millionrounds.com/company/eatron-technologies) Eatron Technologies is a UK-based B2B technology company founded in 2018, specializing in AI-powered battery optimization software. *Founded* 2018 Warwick, United Kingdom **$24M** last round Jan 2024
- 33 [**Plico** Plico Energy is a community-driven clean energy company based in Western Australia, established in 2018.](https://millionrounds.com/company/plico) Plico Energy is a community-driven clean energy company based in Western Australia, established in 2018. *Founded* 2018 Perth, Australia **$23M** last round Dec 2025
- 34 [**HeatTransformers** HeatTransformers is a Netherlands-based technology company founded in 2018, focused on hybrid and all-electric heat pump solutions.](https://millionrounds.com/company/heattransformers) HeatTransformers is a Netherlands-based technology company founded in 2018, focused on hybrid and all-electric heat pump solutions. *Founded* 2018 Woerden, Netherlands **$16M** last round Apr 2023
- 35 [**Offgrid Energy Labs** Sustainable, safe & cost-efficient battery technology.](https://millionrounds.com/company/offgrid-energy-labs) Sustainable, safe & cost-efficient battery technology. *Founded* 2018 India **$15M** last round Sept 2025
- 36 [**Darcy Solutions** Darcy Solutions is a renewable energy equipment manufacturer and geothermal technology company founded in 2018.](https://millionrounds.com/company/darcy-solutions) Darcy Solutions is a renewable energy equipment manufacturer and geothermal technology company founded in 2018. *Founded* 2018 New Brighton, United States **$15M** last round Aug 2026
- 37 [**Sanyi Hi-Tech** Sanyi Hi-Tech is a manufacturer of graphite sagger crucibles, focusing on the field of new materials for lithium batteries.](https://millionrounds.com/company/sanyi-hi-tech) Sanyi Hi-Tech is a manufacturer of graphite sagger crucibles, focusing on the field of new materials for lithium batteries. *Founded* 2018 Baoji **$15M** last round Apr 2023
- 38 [**Versogen** Versogen is a private cleantech company based in Delaware, focused on developing anion exchange membrane (AEM) electrolyzer technology for producing low-cost gr](https://millionrounds.com/company/versogen) Versogen is a private cleantech company based in Delaware, focused on developing anion exchange membrane (AEM) electrolyzer technology for producing low-cost gr *Founded* 2018 Wilmington, United States **$15M** last round May 2022
- 39 [**Dynelectro** Dynelectro is a Danish deep-tech innovation firm and Original Equipment Manufacturer (OEM) focused on advanced solid oxide electrolysis (SOE) technology for pro](https://millionrounds.com/company/dynelectro) Dynelectro is a Danish deep-tech innovation firm and Original Equipment Manufacturer (OEM) focused on advanced solid oxide electrolysis (SOE) technology for pro *Founded* 2018 Copenhagen, Denmark **$12M** last round Jul 2024
- 40 [**FESCO Energy** FESCO Energy designs and maintains energy solutions for federal and commercial customers.](https://millionrounds.com/company/fesco-energy) FESCO Energy designs and maintains energy solutions for federal and commercial customers. *Founded* 2018 Frederick, United States **$12M** last round Jun 2023
- 41 [**Blue World Technologies** Blue World Technologies is a developer and manufacturer of high-efficiency methanol fuel cell components and systems.](https://millionrounds.com/company/blue-world-technologies) Blue World Technologies is a developer and manufacturer of high-efficiency methanol fuel cell components and systems. *Founded* 2018 Aalborg, Denmark **$12M** last round Dec 2023
- 42 [**Soelect** Soelect provides engineering solutions and develops solid-state battery components for electric vehicles, power tools, and electronics.](https://millionrounds.com/company/soelect) Soelect provides engineering solutions and develops solid-state battery components for electric vehicles, power tools, and electronics. *Founded* 2018 Greensboro, United States **$11M** last round Feb 2022
- 43 [**SmartD Technologies** SmartD Technologies is a Montreal-based power electronics company founded in 2018.](https://millionrounds.com/company/smartd-technologies) SmartD Technologies is a Montreal-based power electronics company founded in 2018. *Founded* 2018 Montreal, Canada **$10M** last round Apr 2024
- 44 [**Nithio Holdings** Nithio Holdings a Washington, DC-based energy finance company focused on the off-grid sector in Africa.](https://millionrounds.com/company/nithio-holdings) Nithio Holdings a Washington, DC-based energy finance company focused on the off-grid sector in Africa. *Founded* 2018 Washington, United States **$10M** last round Jan 2024
- 45 [**EcoJoule Energy** EcoJoule Energy provides innovative, next-generation power management products and software.](https://millionrounds.com/company/ecojoule-energy) EcoJoule Energy provides innovative, next-generation power management products and software. *Founded* 2018 Loganholme, Australia **$9.5M** last round Mar 2025
- 46 [**novosound** Novosound is a Scottish technology company founded in 2018, specializing in the design and manufacture of innovative ultrasound sensors.](https://millionrounds.com/company/novosound) Novosound is a Scottish technology company founded in 2018, specializing in the design and manufacture of innovative ultrasound sensors. *Founded* 2018 Newhouse, United Kingdom **$8.7M** last round Sept 2026
- 47 [**Enerpoly** Enerpoly is a next-generation energy storage technology company pioneering the zinc-ion battery chemistry.](https://millionrounds.com/company/enerpoly) Enerpoly is a next-generation energy storage technology company pioneering the zinc-ion battery chemistry. *Founded* 2018 Stockholm, Sweden **$8.4M** last round Dec 2023
- 48 [**Intellihub** Intellihub is committed to providing consistent quality metering services.](https://millionrounds.com/company/intellihub) Intellihub is committed to providing consistent quality metering services. *Founded* 2018 Sydney, Australia **$6.5M** last round Dec 2023
- 49 [**EQON** EQON is a cleantech company based in Stavanger, Norway, founded in 2018.](https://millionrounds.com/company/eqon) EQON is a cleantech company based in Stavanger, Norway, founded in 2018. *Founded* 2018 Stavanger, Norway **$6.3M** last round Jun 2026
- 50 [**RePurpose Energy** RePurpose Energy reuses electric vehicle batteries to create lower-cost, more sustainable "second life" solar energy storage systems.](https://millionrounds.com/company/repurpose-energy) RePurpose Energy reuses electric vehicle batteries to create lower-cost, more sustainable "second life" solar energy storage systems. *Founded* 2018 Fairfield, United States **$6.3M** last round Mar 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2018 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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