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acquisitionAnnounced · Mar 13, 2026Energy StorageSource · CredibleArticle · Factual
ESS Tech acquires VoltStorage
David Najork · Founding Software Engineer
Published · Updated · 1 min read
Deal value
—
Target
VoltStorage
Munich, Bavaria
Acquirer
ESS Tech
Full Acquisition
Status
Completed
ESS Tech agreed to acquire VoltStorage. Reported deal value: Undisclosed. Status: Completed. Sector: Energy Storage. Target headquarters context: Munich, Bavaria, Germany.
This page summarizes publicly available information about the transaction as of 2026-03-13. Figures and status may change as filings and press coverage update.
Iron flow battery company ESS Tech Inc highlighted the potential of its recent partnership with Google and the acquisition of VoltStorage GmbH , as profitability remained out of reach in 2025
Deal timeline
Announced
Mar 13, 2026 · energy-storage.news
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context
This transaction is classified in Energy Storage. Figures and status may change as sources update.
Sources: energy-storage.news · Primary article · FireStrike proprietary index