ViZn Energy Systems vs Voltfang
ViZn Energy Systems
Energy storage systems utilizing low-cost Zinc based long duration Redox technology. Superior in value, safety and ROI
36 employees · est. 2009 · United States
Voltfang
Every day, we build, connect and operate battery solutions to make renewables reliable and affordable
105 employees · est. 2020 · Aachen, Germany
ViZn Energy Systems is the older company (2009 vs 2020); Voltfang is the larger of the two.
Side-by-Side Comparison
| Metric | ViZn Energy Systems | Voltfang |
|---|---|---|
| Founded | ||
| Founded | 2009 older | 2020 |
| Headquarters | ||
| Headquarters | United States | Aachen, Germany |
| Employees | ||
| Employees | 36 | 105 larger |
| Industry | ||
| Industry | Energy, Transportation, Energy Storage | Energy, Transportation |
| Funding Stage | ||
| Funding Stage | Private Equity | Series B |
| Total Funding | ||
| Total Funding | $63.85M | $35.31M |
| Funding Rounds | ||
| Funding Rounds | 13 | 10 |
| Services | ||
| Services | Not tracked yet | Planung und Umsetzung von Energiemanagementsystemen, Integration von Batteriespeichern, Automatisierte Lastspitzenkappung, Optimierung des Eigenverbrauchs, Intraday Trading Kapazitäten |
| Target Customers | ||
| Target Customers | Not tracked yet | Gewerbeunternehmen, Industriebetriebe, Bäckereien, Supermärkte, Bauunternehmen |
| Taxonomy | ||
| Taxonomy | Energy Storage SystemsZinc/Iron Flow BatteriesRenewable Energy StorageMicro-GridUtility MarketsR&D Services +10 | Decentralized EnergySmart Storage SystemsEV Battery RepurposingRenewable Energy StorageBattery Management SystemsSustainable Energy +8 |
| Website | ||
| Website | viznenergy.com | voltfang.de |
About ViZn Energy Systems
ViZn Energy Systems, founded in 2009, is a leading international energy storage equipment and engineering company based in Columbia Falls, Montana. The company specializes in providing Zinc/Iron Flow Batteries and R&D services for the Commercial & Industrial, Micro-Grid, and Utility markets. ViZn En...
About Voltfang
Voltfang, established in 2020 with headquarters in Germany, is at the forefront of creating smart and sustainable energy solutions. The company revolutionizes the energy storage sector by requalifying electric vehicle batteries, transforming them into storage systems that efficiently store renewable...
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Compiled from the BounceWatch company index. We last looked at ViZn Energy Systems on 14 Sep 2024, and Voltfang on 29 May 2026. 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.
