ESS Tech reports ~$1B in sodium-ion pipeline, shifts resources

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ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest

June 23, 2026 8:31 AM EDT

Company Aligns Resources to Support Expanded Focus on AI Infrastructure and Data Center Markets

WILSONVILLE, Ore.--(BUSINESS WIRE)--

ESS Tech, Inc. (NYSE: GWH) (ESS or the company), a leading provider of non-lithium energy storage solutions, today announced strong early customer engagement for its planned U.S.-made sodium-ion battery energy storage system (BESS) offering, focused on short- and medium-duration applications that have historically been served by lithium-ion systems.

Since announcing its letter of intent with Alsym Energy seven weeks ago, ESS has generated... More