Browsing Tag
Iron Flow Battery
3 posts
Can ESS Tech, Inc. turn iron-salt chemistry into the lowest-cost grid storage model?
ESS Tech, Inc. acquires VoltStorage GmbH assets to expand iron-based long-duration storage. Find out what this means for grid economics and investors.
February 18, 2026
ESS Tech closes $40m financing to strengthen liquidity ahead of key U.S. deployments
ESS Tech secures $40 million in flexible financing to advance iron-flow battery projects and scale U.S. and global energy storage operations.
October 14, 2025
SRP and ESS unveil 50 MWh long-duration energy storage pilot to power a cleaner grid
Find out how SRP and ESS’s 50 MWh long-duration storage pilot could transform Arizona’s renewable grid reliability and shape the future of sustainable energy storage.
October 10, 2025