Global Infrastructure SherpaESS Tech acquires VoltStorage GmbH's assets and intellectual property
ESS Tech acquired the assets and intellectual property of VoltStorage GmbH to strengthen its long-duration energy storage (LDES) portfolio and combine two iron-based flow battery technologies.
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ESS Tech's acquisition of VoltStorage GmbH's assets and intellectual property represents a strategic move to consolidate and strengthen its position in the long-duration energy storage (LDES) market. By acquiring VoltStorage's iron-based flow battery technology, ESS Tech aims to enhance its existing portfolio and potentially create synergies through the combination of two distinct approaches within the same technology family. This acquisition suggests a focus on expanding technological capabilities and market share within the rapidly growing LDES sector.
- Acquisition strengthens ESS Tech's LDES portfolio.
- Combines two iron-based flow battery technologies.
- VoltStorage GmbH's assets and intellectual property acquired.
- Deal indicates a strategic focus on technological advancement in battery storage.
Source Intelligence
KEY DETAILS
VoltStorage GmbH ceased operations in mid-2025. Quote: "VoltStorage GmbH, a German developer of iron-salt battery technology that ceased operations in mid-2025."
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Location
Germany’s VoltStorage GmbH
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Announcement
February 24, 2026
PARTIES MENTIONED IN SOURCE
E
ESS Tech
buyer
"US-based ESS Tech has acquired the assets and intellectual property of Germany’s VoltStorage GmbH"
V
VoltStorage GmbH
seller
"US-based ESS Tech has acquired the assets and intellectual property of Germany’s VoltStorage GmbH"
medium quality
Enriched Feb 24, 2026
Timeline
Announced
Feb 24, 2026
Signed
Closed
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