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ESS Confirms Path to Continued Execution of its Strategic Plan with the Energy Base
FOR IMMEDIATE RELEASE Wilsonville, Ore.– May 29, 2025 - ESS Tech, Inc. (“ESS” or the “Company”) (NYSE:GWH), a leading manufacturer of iron flow long-duration energy storage (LDES) systems for commercial- and utility-scale applications, today provided a business update...

ESS Reverse Stock Split Statement
ESS filed a preliminary proxy statement with the U.S. Securities and Exchange Commission regarding a special stockholder meeting expected to be held on August 23, 2024 to authorize ESS’s Board of Directors to enact a reverse stock split.

Make More in America Initiative to Fund Expansion of ESS’ Long-Duration Energy Storage Manufacturing Capacity
ESS announced that a financing package of $50 million was approved by the Export-Import Bank of the United States (EXIM) Board of Directors under the Make More in America Initiative. This financing will fund the expansion of ESS’ production capacity in Wilsonville, Ore. to meet rapidly growing global demand for LDES.

ESS’ Iron Flow Batteries Selected by Indian Energy and the California Energy Commission to Demonstrate Utility-Scale Resilient Microgrids
ESS Tech, Inc. announced that it will participate in the Rapid Integration and Commercialization Unit (RICU) at Marine Corps Air Station Miramar. The RICU is a venture between Indian Energy, the California Energy Commission (CEC), and the Department of Defense (DOD) to validate LDES technologies.

ESS’s Energy Center Receives Smarter E Innovation Award Underscoring Critical Role of LDES in Clean Energy Transition
ESS announced that its Energy Center™ system was awarded the Smarter E Award for Energy Storage Technologies at the smarter E Award ceremony occurring in advance of Intersolar Europe in Munich, Germany.

ESS and Burbank Water & Power Celebrate Commissioning of First Iron Flow Battery System on BWP EcoCampus
ESS Energy Warehouse™ system will showcase central role of non-lithium, long-duration energy storage technologies in a decarbonized grid. Burbank, Calif. –...

ESS to Deliver Long-Duration Energy Storage Solutions to Sapele Power to Improve Generation Efficiency
Partnership demonstrates key LDES use case and the largest U.S. government-financed battery storage system export to Africa to date Wilsonville, Ore. – May...

ESS Technology Takes Off at Schiphol to Decarbonize Air Transportation
Commissioning of ESS Energy Warehouse will support electrification of ground operations and reduce emissions at Amsterdam Airport Schiphol AMSTERDAM – May 6,...

ESS’ Energy Center is First LDES Solution to Receive IEEE 693 Rating Demonstrating Resilience Against Seismic Events
Following rigorous testing, achievement of IEEE 693-High demonstrates ESS’ commitment to delivering resilient, safe and sustainable energy storage infrastructure.