ESS Announces Closing of $40 Million Financing Transaction

PDF of Release FOR IMMEDIATE RELEASE Transaction Builds on Significant Momentum Following Announcement of 50MWh Energy Base Project in Arizona Wilsonville, Ore.– October 14, 2025 – ESS Tech, Inc. (“ESS” or the “Company”) (NYSE:GWH), a leading manufacturer of...

SRP and ESS Announce New 50 MWh Long Duration Energy Storage Pilot Project

Wilsonville, Ore.– October 9, 2025 – Salt River Project (SRP), a not-for-profit public power utility serving the greater Phoenix metropolitan area, and ESS (NYSE:GWH), a leading manufacturer of iron flow long-duration energy storage (LDES) systems, today announced an agreement to add Project New Horizon, a five megawatt (MW), 50 megawatt-hour (MWh) battery system, to the grid.

ESS Moves Closer to Delivering Green Baseload Power

PDF of Release 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...
ESS Completes Grid Connection of First Energy Center Project 

ESS Completes Grid Connection of First Energy Center Project 

By Kelly Goodman, Interim CEO This week, ESS’ Energy Center™ product line surpassed another major milestone with the commissioning of the first Energy Center™ project following the previously announced construction and initial testing.  Initial testing included...