Alternatives to Apollo
The top Energy companies similar to Apollo, 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.
Gong76Revenue IntelligenceSan Francisco, United States$590.0M
People Data Labs54B2B DataSan Francisco, United States$53.3M
Snov.io50Sales Enablement SoftwareNew York, United States$2.3M
Watermelon AI42Conversational AIUtrecht, Netherlands$8.1M
The Hog37AI Demand GenSan Francisco, United States
BoldTrail27Real Estate TechnologyMurray, United States
Discolike24B2B SaaSSan Mateo, United States
SolarEdge86EnergyHerzliya, Israel$71.8M
SolOr40CleantechSan Francisco, United States
GreenDays Energy30SolarSan Francisco, United States
Comerc Energia75EnergySão Paulo, Brazil$589.0M
Esentia Energy Development70EnergyMexico City, Mexico$2.0B
Octopus63EnergyLondon, United Kingdom$4.1B
ArtIn Energy62EnergyTampa, United States$255.0M
Alsym Energy61Energy StoragePalo Alto, United States$155.1M
Electra57Climate TechTel Aviv, Israel$301.0M
Inertia Enterprises55ClimateLivermore, United States$550.0M
Hadron Energy54EnergyHouston, United States$8.2M- BUBudderfly53EnergyShelton, USA$1.3B
CarbonX52Battery TechnologyGroningen, Netherlands$22.4M
Rhino Eco49SolarNew York, United States
Savion Health47EnergyKansas City, United States$115.0M
Daystar Power47EnergyLagos, Nigeria$150.0M
SunHydrogen44Clean EnergySanta Barbara, United States$2.1M
Windbreak39Energy
QD-SOL37HydrogenHaifa, Israel
Greeneum Network35CleantechTel Aviv, Israel
Wand Solar31ProptechTel Aviv, Israel
Agri-Light Energy Systems31Energy
HydroLite25EnergyTel Aviv, Israel
Omni Cube24SolarTel Aviv, Israel
Electriq Global18ElectricitySan Jose, United States
Orsted85EnergyFredericia, Denmark$9.4B
Silicon Ranch75Clean EnergyNashville, United States
Enpal70Climate TechBerlin, Germany$3.2B
Generate Capital66Sustainable InfrastructureSan Francisco, United States$4.5B
SolarSquare64Renewable EnergyMumbai, India$67.5M
Sunfire64Clean EnergyDortmund, Germany
Barrell63LithiumDenver, USA
Amogy63Clean EnergyBrooklyn, United States$90.0M
Altilium62Battery RecyclingPlymouth, United Kingdom$39.2M
Cylib62Battery RecyclingGermany, Germany$66.6M
Envision61Renewable EnergyShanghai, China- GRGreen Flexibility61EnergyAmsterdam, Netherlands$400.0M
Ecoppia61CleantechTel Aviv, Israel$53.0M
Solar Landscape61Renewable EnergyAsbury Park, USA$775.9M- LILion Storage61EnergySan Francisco, United States$350.0M
Heron Power55Climate TechTel Aviv, Israel$10.0M
NT-Tao54EnergyTel Aviv, Israel$27.5M- FOFonto Power54EnergySan Francisco, United States$15.0M
Greenlyte54Climate TechEssen, Germany$15.0M
ZOOZ Power54Electric Vehicle (EV)Tel Aviv, Israel$36.4M
3D Battery54BatteryTel Aviv, Israel$13.5M
H2Pro53WaterTel Aviv, Israel
ConnectDER53Clean EnergyPhiladelphia, United States$62.0M
Montis VC53Venture CapitalWarsaw, Poland
Luminescent53CleantechSan Francisco, United States$7.0M
Exowatt52Energy StoragePalo Alto, United States$10.0M
Lightsource BP52Solar EnergyLondon, United Kingdom$418.0M
Plume52Climate TechParis, France$3.3M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Gong | Revenue Intelligence | San Francisco, United States | $590.0M | 76 |
| People Data Labs | B2B Data | San Francisco, United States | $53.3M | 54 |
| Snov.io | Sales Enablement Software | New York, United States | $2.3M | 50 |
| Watermelon AI | Conversational AI | Utrecht, Netherlands | $8.1M | 42 |
| The Hog | AI Demand Gen | San Francisco, United States | — | 37 |
| BoldTrail | Real Estate Technology | Murray, United States | — | 27 |
| Discolike | B2B SaaS | San Mateo, United States | — | 24 |
| SolarEdge | Energy | Herzliya, Israel | $71.8M | 86 |
| SolOr | Cleantech | San Francisco, United States | — | 40 |
| GreenDays Energy | Solar | San Francisco, United States | — | 30 |
| Comerc Energia | Energy | São Paulo, Brazil | $589.0M | 75 |
| Esentia Energy Development | Energy | Mexico City, Mexico | $2.0B | 70 |
| Octopus | Energy | London, United Kingdom | $4.1B | 63 |
| ArtIn Energy | Energy | Tampa, United States | $255.0M | 62 |
| Alsym Energy | Energy Storage | Palo Alto, United States | $155.1M | 61 |
| Electra | Climate Tech | Tel Aviv, Israel | $301.0M | 57 |
| Inertia Enterprises | Climate | Livermore, United States | $550.0M | 55 |
| Hadron Energy | Energy | Houston, United States | $8.2M | 54 |
| BUBudderfly | Energy | Shelton, USA | $1.3B | 53 |
| CarbonX | Battery Technology | Groningen, Netherlands | $22.4M | 52 |
| Rhino Eco | Solar | New York, United States | — | 49 |
| Savion Health | Energy | Kansas City, United States | $115.0M | 47 |
| Daystar Power | Energy | Lagos, Nigeria | $150.0M | 47 |
| SunHydrogen | Clean Energy | Santa Barbara, United States | $2.1M | 44 |
| Windbreak | Energy | — | — | 39 |
| QD-SOL | Hydrogen | Haifa, Israel | — | 37 |
| Greeneum Network | Cleantech | Tel Aviv, Israel | — | 35 |
| Wand Solar | Proptech | Tel Aviv, Israel | — | 31 |
| Agri-Light Energy Systems | Energy | — | — | 31 |
| HydroLite | Energy | Tel Aviv, Israel | — | 25 |
| Omni Cube | Solar | Tel Aviv, Israel | — | 24 |
| Electriq Global | Electricity | San Jose, United States | — | 18 |
| Orsted | Energy | Fredericia, Denmark | $9.4B | 85 |
| Silicon Ranch | Clean Energy | Nashville, United States | — | 75 |
| Enpal | Climate Tech | Berlin, Germany | $3.2B | 70 |
| Generate Capital | Sustainable Infrastructure | San Francisco, United States | $4.5B | 66 |
| SolarSquare | Renewable Energy | Mumbai, India | $67.5M | 64 |
| Sunfire | Clean Energy | Dortmund, Germany | — | 64 |
| Barrell | Lithium | Denver, USA | — | 63 |
| Amogy | Clean Energy | Brooklyn, United States | $90.0M | 63 |
| Altilium | Battery Recycling | Plymouth, United Kingdom | $39.2M | 62 |
| Cylib | Battery Recycling | Germany, Germany | $66.6M | 62 |
| Envision | Renewable Energy | Shanghai, China | — | 61 |
| GRGreen Flexibility | Energy | Amsterdam, Netherlands | $400.0M | 61 |
| Ecoppia | Cleantech | Tel Aviv, Israel | $53.0M | 61 |
| Solar Landscape | Renewable Energy | Asbury Park, USA | $775.9M | 61 |
| LILion Storage | Energy | San Francisco, United States | $350.0M | 61 |
| Heron Power | Climate Tech | Tel Aviv, Israel | $10.0M | 55 |
| NT-Tao | Energy | Tel Aviv, Israel | $27.5M | 54 |
| FOFonto Power | Energy | San Francisco, United States | $15.0M | 54 |
| Greenlyte | Climate Tech | Essen, Germany | $15.0M | 54 |
| ZOOZ Power | Electric Vehicle (EV) | Tel Aviv, Israel | $36.4M | 54 |
| 3D Battery | Battery | Tel Aviv, Israel | $13.5M | 54 |
| H2Pro | Water | Tel Aviv, Israel | — | 53 |
| ConnectDER | Clean Energy | Philadelphia, United States | $62.0M | 53 |
| Montis VC | Venture Capital | Warsaw, Poland | — | 53 |
| Luminescent | Cleantech | San Francisco, United States | $7.0M | 53 |
| Exowatt | Energy Storage | Palo Alto, United States | $10.0M | 52 |
| Lightsource BP | Solar Energy | London, United Kingdom | $418.0M | 52 |
| Plume | Climate Tech | Paris, France | $3.3M | 52 |