VoltStorage Employee Directory
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.
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