Side-by-Side Comparison
| Metric | Ostrom | Voltus |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2016 older |
| Headquarters | ||
| Headquarters | Berlin, Germany | San Francisco, United States |
| Employees | ||
| Employees | 62 | 261 larger |
| Industry | ||
| Industry | Energy, Renewable Energy, Clean Energy | Energy, Energy Efficiency, Oil and Gas |
| Funding Stage | ||
| Funding Stage | Series B | Series C |
| Total Funding | ||
| Total Funding | $41.16M | $66.10M |
| Funding Rounds | ||
| Funding Rounds | 6 | 3 |
| Services | ||
| Services | Electricity Tariffs Management, Smart Meter Rollout, Smart Home and EV Integration, Dynamic and Fixed Pricing Models, Ostrom Mobile App Services, Virtual Power Plant for EVs, Partner Grid Collaborations | Demand Response Services, Virtual Power Plant Management, Energy Revenue Generation, Real-time Energy Data Tracking |
| Target Customers | ||
| Target Customers | Electric Vehicle Owners, Energy-Conscious Consumers, Businesses Seeking Green Energy Solutions, Homeowners with Smart Devices, Environmental Enthusiasts, Customers Seeking Transparent Pricing | Large Energy Users, Commercial and Industrial Sectors, DER Providers and Developers, OEMs, Channel Partners |
| Taxonomy | ||
| Taxonomy | Digital Energy Management, Green Technology, Smart Meters, Electric Vehicle Integration, Dynamic Pricing, Energy Consumption Tracking, Home Energy Management System, Virtual Power Plant, User Experience, Flexible Tariffs, B2C Energy Platform, Remote Work Culture | Distributed Energy Resources, Virtual Power Plant, Demand Response, Energy Efficiency, Energy Management, Energy Intelligence Software, Commercial And Industrial Energy Solutions, Flexible Load Management, Energy Storage, Distributed Generation, Electric Vehicle Resources, Smart Grid, Electricity Market Connection, Aggregation, Utility Bill Management |
| Website | ||
| Website | ostrom.de | voltus.co |
About Ostrom
Ostrom, founded in 2021, is a pioneering player in the digital energy management space, headquartered in Germany. The company operates under the slogan "⚡️ Energy. Just Better. 🌍," and has been certified as a B Corp™. Ostrom is committed to delivering affordable green energy solutions to household...
About Voltus
Voltus, founded in 2016 and headquartered in the United States, positions itself at the forefront of the energy sector by transforming distributed energy resources (DER) into sustainable and financially rewarding assets. The company's slogan, "Better Energy, More Cash," encapsulates its value propos...
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Compiled from the BounceWatch company index. We last looked at Ostrom on 27 May 2026, and Voltus on 18 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.