Alternatives to Altaeros
The top Energy Tech companies similar to Altaeros, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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Azur Drones59Drone TechnologyBordeaux, France$72.4MAzur Drones is a leader in surveillance UAVs, pioneer of drone-in-a-box systems.
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Hemav51AgTechCastelldefels, Spain$11.0MAI-powered drone and satellite data analytics for precision agriculture and land management.
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Eco Wave Power47Energy TechTel Aviv, Israel$2.0MDevelops and operates a patented technology to convert ocean and sea waves into clean electricity.
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Globalwind40Energy Tech$1.5M - Website
NT-Tao54EnergyTel Aviv, Israel$27.5MDeveloping compact fusion power technology for clean, scalable, and sustainable energy solutions.
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Helion75Clean EnergyEverett, USA$3.6BFusion energy startup aiming for commercial power generation.
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Interface Fluidics55Energy TechCalgary, Canada$9.9MAdvanced microfluidic instruments and lab services for subsurface energy applications.
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QuantumScape52Energy TechSan Jose, United States$1.3BDeveloping solid-state lithium-metal batteries for electric vehicles to enable faster charging, longer range, and enhanced safety.
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Exnaton51Energy TechTel Aviv, Israel$8.4MBringt smarte Energieprodukte in wenigen Wochen auf den Markt: dynamische Tarife, Energy Sharing, EV-Laden, HEMS und PPAs. Ohne euer ERP zu ersetzen.
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Voltus48Energy TechSan Francisco, United States$66.1MA distributed energy resource platform connecting energy assets to wholesale electricity markets for grid flexibility.
- Website BOBoldr48Energy TechLondon, United Kingdom$38.9M
Energy tech company transforming homes into residential power plants to support the grid.
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Generate Capital67Sustainable InfrastructureSan Francisco, United States$4.5BSustainable infrastructure platform providing affordable, reliable resource solutions for companies, communities, and cities.
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Mycofi Labs31Energy TechSan Francisco, United States - Website
Comerc Energia66EnergySão Paulo, Brazil$589.0MComerc Energia provides comprehensive energy and decarbonization solutions for the free energy market.
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Observable Space63AerospaceAdrian, United States$101.0MEnabling scalable, low-cost space-to-Earth laser communications.
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Prisma Photonics63Fiber OpticYokneam Illit, Israel$70.0MQuantum leap in utility monitoring for critical infrastructure using fiber optic sensing.
- MAMarkeDroid42Energy TechTallinn, Estonia$859K
AI-driven platform optimizing distributed energy resources for virtual power plants.
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Voliro62AerospaceZurich, Switzerland$47.2MAerial robotics company focused on autonomous inspection robots.
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ChargePoint62Electric Vehicle InfrastructureCampbell, United States$1.8BChargePoint is a leading provider of networked electric vehicle charging solutions, operating the largest EV charging network globally.
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Redwire61AerospaceJacksonville, USA$63.0MA global leader in space and defense technology solutions.
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- Website E-e-motion61AutomotiveMunich, Germany$140.0M
EV charging hardware
- Website SUSunservice40Energy TechSan Diego, United States$1.0M
Platform for managing and optimizing solar energy assets for businesses.
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Reel60EnergyCopenhagen, Denmark$22.3MAccelerating the energy transition by making renewable energy predictable for businesses and profitable for producers.
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Advanced Electric Machines58AutomotiveWashington, United Kingdom$47.8MUK-based manufacturer of rare earth and magnet-free electric motors for automotive, industrial, and marine applications.
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Sitemark58Energy & Climate TechGhent, Belgium$5.4MAI-powered software platform for renewable energy project lifecycle management, boosting productivity and quality.
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Wattvision37Energy TechAmsterdam, Netherlands$67KReal-time energy monitoring sensors and software for homes and businesses.
- KEKepler Communications57AerospaceCanada$63.0M
Orbital compute infrastructure provider
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Co-Power37Energy TechTel Aviv, Israel$12.8MCo-Power provides a platform for managing and optimizing renewable energy assets, focusing on grid services and energy trading.
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Rodgrid36Energy Tech$1.5MRodgrid provides a platform for managing and optimizing renewable energy assets, focusing on grid integration and energy trading.
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Orbital Industries55Artificial IntelligenceLondon, United Kingdom$53.0MBuilding industrial hardware from the atoms up using AI.
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Inertia Enterprises55ClimateLivermore, United States$550.0MFusion power startup developing grid-scale power plants using advanced laser technology.
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EGIDE54DefenseParis, France$8.0MDeveloping scalable and affordable defense capabilities to counter mass-produced drones and strike munitions.
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Senra Systems54ManufacturingRedondo Beach, United States$65.0MWire harness manufacturing startup combining proprietary design software with assembly-as-a-service for aerospace and defense.
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Aura Aero54AerospaceToulouse, France$340.0MA French aerospace startup developing sustainable aircraft.
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ConnectDER53Clean EnergyPhiladelphia, United States$62.0MConnectDER simplifies home electrification by enabling solar, EV charging, and battery storage without costly electrical panel upgrades.
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Budderfly53EnergyShelton, USA$1.3BEnergy-as-a-Service platform for businesses.
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Quaise Energy53EnergyCambridge, USA$134.0MDeveloping high-temperature geothermal energy at industrial scale.
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Plume52Climate TechParis, France$3.3MGeospatial AI platform that accelerates renewable energy project development by automating site selection, permit processing, and grid connection analysis.
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Aerones52Drone TechnologyRiga, Latvia$124.0MAutonomous drone solutions for industrial inspections and maintenance.
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Envision Energy52Renewable EnergyShanghai, China$100.0MGreen tech firm developing AI data centers powered by renewable energy in arid regions.
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NewOrbit52AerospaceReading, United Kingdom$28.5MBuilding satellites for very low Earth orbit (VLEO) to advance global connectivity and insight.
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WindSim51Energy & Climate TechOslo, Norway$738KProvides advanced software for wind resource assessment and wind farm design using CFD.
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Nuclear Turbines50Clean EnergyManchester, United Kingdom$18.9MDeveloping compact modular nuclear systems to make clean nuclear power cheaper than fossil fuels by utilizing high-temperature turbine technology.
- Website SISingularity Defense49AerospaceAustin, United States$80.0M
Air defense startup focused on mass-producing low-cost interceptors for drones and missiles.
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Taming nuclear power's cost problems by building reactors in shipyards.
- Website ACACCION SYSTEMS49AerospaceBoston, United States$78.2M
Develops electrospray propulsion systems for satellites.
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Brinc48AerospaceHong Kong, Hong Kong$63.0MDrones for Public Safety
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Esentia Energy Development48EnergyMexico City, Mexico$2.0BEnergy development company focused on the Mexican market.
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Norsepower48Climate TechHelsinki, Finland$498.2MDevelops and manufactures rotor sails for wind-assisted propulsion on ships.
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ZincFive48Energy StorageTualatin, USA$63.0MZincFive is a specialized battery maker supplying data centers.
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Lux Aeterna47AerospaceDenver, United States$14.0MDeveloping the world's first fully reusable satellite platform to enable high-tempo, cost-effective orbital operations.
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Sonic Fire Tech47AerospaceCleveland, United States$3.5MNASA-inspired fire tech startup developing infrasound-based fire defense systems that detect and suppress fires without water or chemicals.
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VMG Technics47Renewable EnergyKlaipėda, Lithuania$52.0MLithuanian partner in developing and scaling recyclable wind turbine blade production using engineered wood.
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Greenjets46Drone TechnologySyracuse, United States$1.5MGreenjets creates electric propulsors that make drones safer, quieter, and more sustainable.
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Gaussion46Battery TechnologyLondon, United Kingdom$31.0MPioneering energy intelligence technology for battery packs.
- SPSpiral Hydrogen46Green HydrogenTallinn, Estonia$2.7M
Deeptech startup developing bubble-free electrolysis technology for efficient green hydrogen production.
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Sunshine Robotics46RoboticsTel Aviv, Israel$1.0MDevelops automated robots for efficient and cost-effective solar panel cleaning.
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