Press Releases

Latest news

Exclusive: ESS Tech speeds up sodium-ion development on $1bn opportunity pipeline

June 23, 2026

ESS is accelerating development of a sodium-ion battery energy storage platform after generating earl-stage opportunities approaching $1 billion in just seven weeks.

ESS’ Energy Center is First LDES Solution to Receive IEEE 693 Rating Demonstrating Resilience Against Seismic Events

March 25, 2024

Following rigorous testing, achievement of IEEE 693-High demonstrates ESS’ commitment to delivering resilient, safe and sustainable energy storage infrastructure.

ESS Statement on NASDAQ Clerical Error

February 22, 2024

ESS, Inc. (NYSE: GWH) has become aware of a clerical error posted on the NASDAQ website related to the shareholdings in the company by Softbank Group Corp. (Softbank).

ESS Expands Deployment Footprint in California, Commissions New Project and Advances Energy Center Product Line

January 17, 2024

Commissioning of project in Missouri, delivery of multiple Energy Warehouse units and assembly of first Energy Center position company to deliver on $1B...

ESS Technology to Demonstrate Value of Long-Duration Energy Storage in Military Applications

January 15, 2024

Project with U.S. Army Corps of Engineers Engineer Research and Development Center highlights opportunity for LDES to reduce diesel consumption and improve energy resilience in remote applications

Honeywell and ESS Tech, Inc. Collaborate to Accelerate Commercial Deployment of Iron Flow Battery Energy Storage Systems

September 25, 2023

Honeywell announced a strategic collaboration with ESS Tech, Inc. to advance technology development and market adoption of iron flow battery (IFB) energy storage systems. Honeywell has made an investment in ESS as part of this collaboration.