Insights

Strategic acquisition impact VoltStorage’s recent asset sale to ESS Tech indicates a consolidation in long-duration energy storage. Sales opportunities may arise in providing transition support, integration services, or licensing opportunities around intellectual property to continue leveraging the ISB technology in broader LDES portfolios.

Iron Salt Advantage The Iron Salt Battery platform offers non-flammable, durable long-duration storage at a relatively low cost. This positions VoltStorage as a compelling supplier for commercial and industrial clients seeking safe, scalable LDES solutions to reduce curtailment and improve energy reliability.

Strategic financing traction Significant funding from EIB and venture debt indicates investor confidence in long-duration tech. Sales plays can target utility-scale projects and project developers seeking proven financing-ready partners with strong governance and scalable manufacturing capabilities.

Industry partnerships Past investments from Cummins and collaboration with global energy players suggest opportunities to pursue co-development, channel partnerships, or integration with existing power electronics, renewable generation, and microgrid ecosystems.

Global expansion signals VoltStorage’s Germany-based operations and cross-border asset movements imply readiness for international projects. Business development could target European utilities, industrial sites, and multi-country deployments needing reliable LDES assets and local service partnerships.

Similar companies to VoltStorage

VoltStorage Tech Stack

VoltStorage uses 8 technology products and services including SOLIDWORKS, Docker, Microsoft SharePoint, and more. Explore VoltStorage's tech stack below.

Media & News

VoltStorage's Email Address Formats

VoltStorage uses at least 1 email format:
VoltStorage Email FormatsExamplePercentage
First.Last@voltstorage.comJohn.Doe@voltstorage.com
100%

Frequently Asked Questions

What is VoltStorage's official website and social media links?

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VoltStorage's official website is voltstorage.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does VoltStorage generate?

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As of August 2026, VoltStorage's annual revenue is estimated to be $1M - $10M.

What is VoltStorage's SIC code and NAICS code?

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VoltStorage's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified and NAICS code is 3359 - Other Electrical Equipment and Component Manufacturing.

How many employees does VoltStorage have currently?

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As of August 2026, VoltStorage has approximately 15 employees across 2 continents, including Europe and Asia. Key team members include Head Of Manufacturing: J. J., Interim Cfo: M. K. and Senior System Simulation Engineer: H. M. W. Explore VoltStorage's employee directory with LeadIQ.

What industry does VoltStorage belong to?

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VoltStorage operates in the Renewable Energy Equipment Manufacturing industry.

What technology does VoltStorage use?

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VoltStorage's tech stack includes SOLIDWORKS, Docker, Microsoft SharePoint, SAP, MongoDB, PostgreSQL, Asana and Miro.

What is VoltStorage's email format?

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VoltStorage's email format typically follows the pattern of First.Last@voltstorage.com. Find more VoltStorage email formats with LeadIQ.

How much funding has VoltStorage raised to date?

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As of August 2026, VoltStorage has raised $76M in funding. The last funding round occurred on Jul 28, 2023 for $33M.

When was VoltStorage founded?

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VoltStorage was founded in 2016.
VoltStorage logo

VoltStorage

Renewable Energy Equipment ManufacturingBavaria, Germany11-50 Employees

VoltStorage is a Munich-based company in the renewable energy equipment manufacturing sector that develops energy storage systems. Its offerings aim to help energy providers and customers maximize the value of generated energy, reduce curtailment, and bridge gaps in supply by enabling grid deferral. The technology centers on long-duration storage and safety, with a proprietary iron salt battery concept designed for durability.

Its customers include energy providers and other stakeholders seeking reliable, non-flammable storage to support renewable integration and long-term grid planning. Based in Munich, Bavaria, VoltStorage operates as a mid-sized enterprise within the energy storage hardware space. In February 2026, ESS Tech acquired VoltStorage's assets and intellectual property to strengthen its long-duration energy storage portfolio.

Section iconCompany Overview

SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
NAICS Code
3359 - Other Electrical Equipment and Component Manufacturing
Founded
2016
Employees
11-50

Section iconFunding & Financials

  • $76M

    VoltStorage has raised a total of $76M of funding over 13 rounds. Their latest funding round was raised on Jul 28, 2023 in the amount of $33M as a Debt Financing.

  • $1M - $10M

    VoltStorage's revenue is estimated to be in the range of $1M - $10M

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