Alternatives to Ioxus
The top Energy Storage companies similar to Ioxus, 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.
Maxwell Technologies31Energy StorageSan Diego, United States
Cap-xx50Energy StorageSydney, Australia$4.0M- SKSkeleton Technologies55Tallinn, Estonia$329.7M
Proterra49Climate TechBurlingame, United States
Arevon Energy85Energy & Climate TechWestlake Village, United States
Group14 Technologies73Battery TechnologyWoodinville, United States$463.0M
Addionics65BatteryTel Aviv, Israel$73.0M
Barrell63LithiumDenver, USA
Solid Power63Solid-State BatteryLouisville, United States$550.0M- MEMedway Grid Energy Storage System Project63EnergyMedway, USA$158.0M
Cylib62Battery RecyclingGermany, Germany$66.6M
ArtIn Energy62EnergyTampa, United States$255.0M
Altilium62Battery RecyclingPlymouth, United Kingdom$39.2M- LILion Storage61EnergySan Francisco, United States$350.0M
Alsym Energy61Energy StoragePalo Alto, United States$155.1M
Tesvolt61Energy StorageLutherstadt Wittenberg, Germany$47.8M- GRGreen Flexibility61EnergyAmsterdam, Netherlands$400.0M
- SISILA61Energy StoragePalo Alto, United States$188.0M
Nyobolt60EnergyCambridge, United Kingdom$145.0M
Redwood Materials59Battery TechnologyCarson City, United States$1.1B
Northvolt AB58Energy StorageStockholm, Sweden$10.4B
Freyr Battery57Energy StorageLuxembourg City, Luxembourg$2.7B
CaPow55RoboticsTel Aviv, Israel$7.5M
Vocai55BatteryTel Aviv, Israel
Element Zero55Climate TechBoston, United States$10.0M
Voltify Inc.54Rail ElectrificationPhiladelphia, United States$30.0M
3D Battery54BatteryTel Aviv, Israel$13.5M
Voxel Energy54Renewable EnergySan Francisco, United States
Fermata Energy53Energy StorageHoboken, United States$40.0M
energyXL53Clean EnergyAustin, United States$154.5M
CarbonX52Battery TechnologyGroningen, Netherlands$22.4M- HOHolyvolt51Battery TechnologyStockholm, Sweden$13.0M
Wildcat51Battery TechnologySan Diego, USA$90.0M- FOFourth Power51Energy StorageSan Carlos, United States$49.0M
Britishvolt Ltd.50Battery TechnologyBlyth, United Kingdom$140.0M
Nanoramic48Energy StorageWoburn, United States$54.0M- NONostromo Energy48Energy StorageTel Aviv, Israel$314.1M
- FLFleetzero46Climate TechSan Francisco, United States
Silib46BatteryTel Aviv, Israel
Feld Energy45Energy & Climate TechPalo Alto, United States$12.3M
NanoGraf45Energy StorageChicago, United States$65.0M
EST Floattech43Energy StorageGroningen, Netherlands$4.3M
Enovix43Energy StorageFremont, United States$45.0M
EExion42Energy$2.0M- INInoBat41AutomotiveBratislava, Slovakia$100.0M
Chiral Energies40EnergyPalo Alto, United States$10.0M- BUBushveld Minerals37Vanadium ProductionJohannesburg, South Africa$177.5M
- BRBrill Power37Energy StorageOxford, United Kingdom$14.2M
- CACapture Energy36Energy StorageAustin, United States$10.0M
- RERemus Energy34Energy StorageSan Francisco, United States$10.0M
TWAICE34EnterpriseMunich, Germany$71.0M- SISizable Energy30Energy StorageSomerville, United States$18.6M
Lomiko Metals29MiningMontreal, Canada$6.9M
CarboCode29Energy StoragePorto, Portugal- CACasimir29Quantum ComputingHouston, USA$3.5M
Lithium Energy27Energy StoragePerth, Australia$31.5M
LG Energy Solution27Battery TechnologySeoul, South Korea- SASamsung SDI21Battery TechnologyYongin, South Korea
Aemetis15Climate TechCupertino, United States
Big Ass Battery15Energy Storage
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Maxwell Technologies | Energy Storage | San Diego, United States | — | 31 |
| Cap-xx | Energy Storage | Sydney, Australia | $4.0M | 50 |
| SKSkeleton Technologies | — | Tallinn, Estonia | $329.7M | 55 |
| Proterra | Climate Tech | Burlingame, United States | — | 49 |
| Arevon Energy | Energy & Climate Tech | Westlake Village, United States | — | 85 |
| Group14 Technologies | Battery Technology | Woodinville, United States | $463.0M | 73 |
| Addionics | Battery | Tel Aviv, Israel | $73.0M | 65 |
| Barrell | Lithium | Denver, USA | — | 63 |
| Solid Power | Solid-State Battery | Louisville, United States | $550.0M | 63 |
| MEMedway Grid Energy Storage System Project | Energy | Medway, USA | $158.0M | 63 |
| Cylib | Battery Recycling | Germany, Germany | $66.6M | 62 |
| ArtIn Energy | Energy | Tampa, United States | $255.0M | 62 |
| Altilium | Battery Recycling | Plymouth, United Kingdom | $39.2M | 62 |
| LILion Storage | Energy | San Francisco, United States | $350.0M | 61 |
| Alsym Energy | Energy Storage | Palo Alto, United States | $155.1M | 61 |
| Tesvolt | Energy Storage | Lutherstadt Wittenberg, Germany | $47.8M | 61 |
| GRGreen Flexibility | Energy | Amsterdam, Netherlands | $400.0M | 61 |
| SISILA | Energy Storage | Palo Alto, United States | $188.0M | 61 |
| Nyobolt | Energy | Cambridge, United Kingdom | $145.0M | 60 |
| Redwood Materials | Battery Technology | Carson City, United States | $1.1B | 59 |
| Northvolt AB | Energy Storage | Stockholm, Sweden | $10.4B | 58 |
| Freyr Battery | Energy Storage | Luxembourg City, Luxembourg | $2.7B | 57 |
| CaPow | Robotics | Tel Aviv, Israel | $7.5M | 55 |
| Vocai | Battery | Tel Aviv, Israel | — | 55 |
| Element Zero | Climate Tech | Boston, United States | $10.0M | 55 |
| Voltify Inc. | Rail Electrification | Philadelphia, United States | $30.0M | 54 |
| 3D Battery | Battery | Tel Aviv, Israel | $13.5M | 54 |
| Voxel Energy | Renewable Energy | San Francisco, United States | — | 54 |
| Fermata Energy | Energy Storage | Hoboken, United States | $40.0M | 53 |
| energyXL | Clean Energy | Austin, United States | $154.5M | 53 |
| CarbonX | Battery Technology | Groningen, Netherlands | $22.4M | 52 |
| HOHolyvolt | Battery Technology | Stockholm, Sweden | $13.0M | 51 |
| Wildcat | Battery Technology | San Diego, USA | $90.0M | 51 |
| FOFourth Power | Energy Storage | San Carlos, United States | $49.0M | 51 |
| Britishvolt Ltd. | Battery Technology | Blyth, United Kingdom | $140.0M | 50 |
| Nanoramic | Energy Storage | Woburn, United States | $54.0M | 48 |
| NONostromo Energy | Energy Storage | Tel Aviv, Israel | $314.1M | 48 |
| FLFleetzero | Climate Tech | San Francisco, United States | — | 46 |
| Silib | Battery | Tel Aviv, Israel | — | 46 |
| Feld Energy | Energy & Climate Tech | Palo Alto, United States | $12.3M | 45 |
| NanoGraf | Energy Storage | Chicago, United States | $65.0M | 45 |
| EST Floattech | Energy Storage | Groningen, Netherlands | $4.3M | 43 |
| Enovix | Energy Storage | Fremont, United States | $45.0M | 43 |
| EExion | Energy | — | $2.0M | 42 |
| INInoBat | Automotive | Bratislava, Slovakia | $100.0M | 41 |
| Chiral Energies | Energy | Palo Alto, United States | $10.0M | 40 |
| BUBushveld Minerals | Vanadium Production | Johannesburg, South Africa | $177.5M | 37 |
| BRBrill Power | Energy Storage | Oxford, United Kingdom | $14.2M | 37 |
| CACapture Energy | Energy Storage | Austin, United States | $10.0M | 36 |
| RERemus Energy | Energy Storage | San Francisco, United States | $10.0M | 34 |
| TWAICE | Enterprise | Munich, Germany | $71.0M | 34 |
| SISizable Energy | Energy Storage | Somerville, United States | $18.6M | 30 |
| Lomiko Metals | Mining | Montreal, Canada | $6.9M | 29 |
| CarboCode | Energy Storage | Porto, Portugal | — | 29 |
| CACasimir | Quantum Computing | Houston, USA | $3.5M | 29 |
| Lithium Energy | Energy Storage | Perth, Australia | $31.5M | 27 |
| LG Energy Solution | Battery Technology | Seoul, South Korea | — | 27 |
| SASamsung SDI | Battery Technology | Yongin, South Korea | — | 21 |
| Aemetis | Climate Tech | Cupertino, United States | — | 15 |
| Big Ass Battery | Energy Storage | — | — | 15 |