Logo for VoltStorage

Meet an Unreasonable Venture


Low-cost energy storage for the world

Photo of Jakob Bitner

Jakob Bitner

Cofounder & CEO at VoltStorage

More about Jakob »
Employees 51–100
Headquarters Munich, Bavaria, Germany
VoltStorage is a fast-growing technical pioneer in stationary flow batteries for long duration storage applications, based out of Munich (Germany). The company is developing and producing energy storage system based on ecological redox flow technologies since 2016. With their newly developed low-cost Iron Salt battery technology, they can provide cost-effective solutions for (ultra) long duration storage demands in the commercial, industrial and grid scale sector. With the expertise of their international R&D team, the build up production knowledge on this technology and the experience of operating one of the largest fleets of flow batteries in the world, the team is striving to achieve their vision of making renewables available 24/7.

Notable Achievements

  • Operating one of the biggest fleets of redox-flow batteries in the world
  • Assembled an international team of experts
  • CTO elected Innovator under 35 by MIT Technology Review

Currently Operating in One Region

Press Mentions

July 29, 2023

VoltStorage pushes iron-salt batteries with fresh 30 million euros - Breaking Latest News

Read on Breaking Latest News »

July 28, 2022

VoltStorage raises €24 million to expand product offering beyond vanadium

Read on Energy Storage News »

More Ventures in Energy & Environment

Get the Unreasonable Newsletter

Get monthly updates on VoltStorage and over 406 other ventures working to solve the world's toughest problems.

Read our Privacy Policy.