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Renewable Energy Jobs at VoltStorage GmbH

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  • Expired

    Financial Controller (m/w/d)

    VoltStorage GmbH

    Munich, Germany
      Flexible   Full Time   More than 3 months ago
    Energy Storage Accounting & Finance Business Development

    • VoltStorage GmbH

    Company Overview

    VoltStorage GmbH

    Munich, Germany

    2016

    Approximately 70 employees (as of mid-2025) (source: impactloop.com). No public revenue data available for 2023 or later.

    What They Do

    VoltStorage GmbH focused on the development and production of energy storage systems for private households, particularly through the use of Vanadium Redox Flow (VRF) battery technology. The company started with household systems that produced up to 37% less CO2 during manufacturing compared to lithium-based alternatives and expanded its offerings to larger commercial and agricultural storage solutions. Later, the company evolved towards iron-salt redox flow technology aimed at long-term energy storage for wind and solar farms to enable baseload capability (source: batteryindustry.net). Their products included "Next Generation Batteries" for private households as well as commercial and agricultural applications, all "Made in Germany."

    Projects & Track Record

    Although no specific completed projects with names or capacities were mentioned in the available sources, VoltStorage operated the largest flow battery fleet in the world and developed systems for commercial deployment. Efforts prior to the closure focused on scaling the iron-salt technology and developing new storage systems, supported by funding from 2022 (source: innoenergy.com). Partnerships included investors such as Cummins Inc. and EIT InnoEnergy, but no specific customers were listed beyond general segments.

    Recent Developments

    In 2021, VoltStorage secured funding of 6 million euros and achieved a TOP-3 position in the Renewable Energy & Materials category of the international Startup Energy Transition (SET) Awards. In July 2022, the company received 24 million euros in a Series C funding round from Cummins Inc. for battery development and growth (source: innoenergy.com). In September 2024, new executives were appointed to pursue new funding, but the company entered insolvency in July 2025 and ceased operations in August 2025 after failing to secure new capital (source: cbinsights.com).

    Working There

    Prior to the closure, VoltStorage planned to double its team to about 130 employees to support production expansion at its headquarters in Munich. The employee count was around 70, spread across an international R&D team involved in the development, production, and commercialization of energy storage (source: impactloop.com). Roles likely included R&D, manufacturing, engineering, and sales, but no specific open positions or departments were documented beyond the general climate protection and energy sectors.

    Contact

    Last updated on 2026-01-03 | Report an issue

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