Alternatives to Exowatt
The top Energy Storage companies similar to Exowatt, 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.
- Website
Form Energy60BatteriesSomerville, United States$1.4BForm Energy develops and manufactures long-duration, grid-scale iron-air batteries for cost-effective renewable energy storage.
- Website
Tesvolt61Energy StorageLutherstadt Wittenberg, Germany$47.8MDevelops and delivers holistic energy systems for commercial businesses, combining battery storage with intelligent energy management.
- Website
Prevalon Energy49Energy StorageSan Jose, United States$100.0MBattery company focused on energy storage solutions.
- Website
Sizable Energy30Energy StorageSomerville, United States$18.6MDeveloping advanced battery technology for grid-scale energy storage.
- Website
Alsym Energy61Energy StoragePalo Alto, United States$155.1MDevelops non-flammable, high-performance, low-cost sodium-ion batteries for energy storage.
- Website
SolarEdge72EnergyHerzliya, Israel$71.8MGlobal leader in smart energy technology, providing solar inverters, power optimizers, and energy storage systems.
- Website FOFourth Power51Energy StorageSan Carlos, United States$49.0M
Developing advanced battery technology for grid-scale energy storage.
- Website
Enpal70Climate TechBerlin, Germany$3.2BGerman provider of integrated renewable energy solutions for homeowners, offering solar panels, battery storage, heat pumps, and EV charging.
- Website
ZincFive48Energy StorageTualatin, USA$63.0MZincFive is a specialized battery maker supplying data centers.
- Website
Nostromo Energy48Energy StorageTel Aviv, Israel$314.1MNostromo Energy develops advanced battery systems for grid-scale energy storage.
- Website
Generate Capital67Sustainable InfrastructureSan Francisco, United States$4.5BSustainable infrastructure platform providing affordable, reliable resource solutions for companies, communities, and cities.
- Website
EST Floattech46Energy StorageGroningen, Netherlands$4.3MDutch company developing and producing high-quality lithium-ion battery systems for electric and hybrid maritime propulsion.
- Website
Comerc Energia66EnergySão Paulo, Brazil$589.0MComerc Energia provides comprehensive energy and decarbonization solutions for the free energy market.
- Website
SolarSquare64Renewable EnergyMumbai, India$67.5MA full-stack residential solar platform for households and housing societies.
- Website
Modo Energy64EnergyLondon, United Kingdom$17.0MAI-powered benchmarking and valuation platform for energy storage and renewable assets, providing insights for bankable decisions.
- Website
ArtIn Energy62EnergyTampa, United States$255.0MEnergy technology company focused on innovative solutions.
- Website
Rodatherm Energy42Energy StorageTel Aviv, Israel$26.2MRodatherm Energy develops advanced thermal energy storage solutions for industrial applications.
- Website
Apollo61EnergyRamat Gan, Israel$50.0MDeveloping flexible, efficient, and low-cost solar cells to turn any surface into an energy source.
- CACarbonCount Holdings 160Sustainable Infrastructure$508.0M
A co-investment vehicle established by HA Sustainable Infrastructure Capital and KKR to invest in sustainable infrastructure assets.
- Website
Cloverleaf Infrastructure57Data CentersHouston, United States$300.0MData center infrastructure developer providing power sources and site development, focusing on clean-powered, shovel-ready sites for energy-intensive workloads like AI.
- Website
Heron Power56Climate TechTel Aviv, Israel$216.0MHeron Power develops industrial power electronics for the 21st-century grid, addressing surging energy demand with scalable, reliable, and software-integrated infrastructure.
- Website CACapture Energy36Energy StorageAustin, United States$10.0M
Develops advanced energy storage solutions for grid-scale applications.
- Website
Solar Landscape55Renewable EnergyAsbury Park, USA$925.9MNation's leading platform for distributed energy infrastructure built on commercial real estate.
- Website RERemus Energy34Energy StorageSan Francisco, United States$10.0M
Developing advanced battery technology for grid-scale energy storage solutions.
- Website
Hadron Energy54EnergyHouston, United States$8.2MDeveloper of micro-modular reactor (MMR) technology for clean energy.
- Website
Budderfly53EnergyShelton, USA$1.3BEnergy-as-a-Service platform for businesses.
- Website
Exergy353CleantechEdinburgh, United Kingdom$25.5MUltra-high temperature thermal energy storage solutions for industrial decarbonisation.
- Website
ConnectDER53Clean EnergyPhiladelphia, United States$62.0MConnectDER simplifies home electrification by enabling solar, EV charging, and battery storage without costly electrical panel upgrades.
- Website
Plume52Climate TechParis, France$3.3MGeospatial AI platform that accelerates renewable energy project development by automating site selection, permit processing, and grid connection analysis.
- Website
Lightsource BP52Solar EnergyLondon, United Kingdom$418.0MGlobal leader in developing, financing, and operating utility-scale solar energy projects.
- Website
Envision Energy52Renewable EnergyShanghai, China$100.0MGreen tech firm developing AI data centers powered by renewable energy in arid regions.
- Website FUFuse Energy52EnergyLondon, United Kingdom$30.0M
A British energy company building an end-to-end energy value chain for low-cost, abundant energy.
- Website ENEndurance Energy50EnergySan Francisco, United States$54.0M
Harnessing deep ocean geothermal energy for baseload renewable power.
- Website
Spearmint Energy50EnergyHouston, USA$697.0MDelivering stable, secure, and cost-effective energy solutions through large-scale battery storage.
- Website
Esentia Energy Development48EnergyMexico City, Mexico$2.0BEnergy development company focused on the Mexican market.
- Website
BioLite48Clean EnergyBrooklyn, United States$5.9MBioLite creates innovative off-grid energy products for outdoor recreation and emerging markets.
- Website
Savion Health48EnergyKansas City, United States$115.0MSavion is a renewable energy developer focused on utility-scale solar and energy storage projects.
- Website
Green Gravity48Clean EnergyWollongong, Australia$10.0MGreen Gravity develops a long-duration energy storage solution using gravity and abandoned mine shafts to store and dispatch renewable energy.
- Website
Kvasir Technologies47Renewable EnergyFredericia, Denmark$10.0MDanish biofuel startup developing a patented process to convert lignin-based residues into climate-neutral marine fuels.
- Website
Daystar Power47EnergyLagos, Nigeria$150.0MDaystar Power is a company providing solar energy solutions.
- Website
Aligned Climate Capital47Renewable EnergySan Francisco, USA$33.0MFinancing and developing renewable energy projects.
- Website
Neogenyx Fuels45Renewable EnergySan Diego, United States$400.0MAdvanced biofuels company focused on accelerating growth.
- Website
REplace44Climate Tech$2.1MA digital marketplace connecting businesses with vetted renewable energy providers, financing, and expertise.
- Website
SunHydrogen44Clean EnergySanta Barbara, United States$2.1MDeveloping a breakthrough, low-cost technology to produce renewable hydrogen using sunlight and any source of water.
- Website
Solview43Cleantech$700KAn AI-driven SaaS platform providing intelligent data analytics for structural and terra examination, primarily for the solar energy sector.
- Website
Capstone Green Energy Holdings42Clean EnergyLos Angeles, USA$127.5MProvider of clean microturbine energy solutions for industrial and commercial operations, with solutions designed for emerging datacenter applications.
- Website
Caudal Energy42Renewable EnergyOxford, United Kingdom$5.3MDeveloping predictable renewable power systems from tidal flow.
- Website SISILA61Energy StoragePalo Alto, United States$488.0M
SILA develops advanced battery technology for electric vehicles and grid storage.
- Website
Tesla81AutomotiveAustin, United States$7.7BDesigns, manufactures, and sells electric vehicles, battery energy storage, and solar energy products.
- Website GRgroSolar40Solar EnergyColumbia, United States$13.1M
groSolar was a leading US solar energy company providing development, EPC, and installation services for commercial and utility-scale projects.
- Website
Shatterdome Energy39EnergySan Francisco, USA$3.5MAI-driven energy trading and intelligence platform.
- Website
Northvolt AB59Energy StorageStockholm, Sweden$10.4BLeading European battery manufacturer focused on sustainable production for electric vehicles and energy storage.
- Website
Feldenergy39AgritechPöcking, Germany$15.2MFeldenergy enables farmers to generate solar power on agricultural land while continuing to cultivate crops.
- Website Soiling38Climate Tech$1.5M
Data-driven solution for profit-maximizing mitigation of solar panel soiling.
- Website Greenraysolutions38Climate Tech$1.0M
- Website
Freyr Battery57Energy StorageLuxembourg City, Luxembourg$2.7BDeveloping and manufacturing next-generation battery cells for clean energy solutions.
- Website Wyzen2Energy StorageRichmond, England
Wyzen provides AI-powered readiness assessments for energy storage projects, focusing on accelerating energy transition technologies and infrastructure.
- Website
Envision61Renewable EnergyShanghai, ChinaA leading renewable energy and smart energy company.
- Website
Energy Vault55Energy StorageLugano, Switzerland$710.0MRevolutionizing grid-scale energy storage with sustainable, mechanical solutions.
- Website SISINN Power GmbH34Energy & Climate TechAugsburg, Germany$1.0M
Develops modular, scalable solar power systems for off-grid and grid-connected applications.
Compare Exowatt head to head
Side by side on what each one does, what it costs, and what real users report.

