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ESS Moves Closer to Delivering Green Baseload Power

FOR IMMEDIATE RELEASE Demonstrates 12 to 17 Hour Duration with Significant RTE Increase Extends Duration for less than $90/kWh Wilsonville, Ore.– June 26, 2025 - ESS Tech, Inc. (“ESS” or the “Company”) (NYSE:GWH), a leading manufacturer of iron flow long-duration...

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