On September 21, 2023, Honeywell announced a strategic collaboration with ESS Tech, Inc. (ESS) 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. The relationship builds upon each company?s development of energy storage systems, and brings together ESS? market-leading, patented IFB design with Honeywell?s advanced materials and energy systems expertise.

Honeywell and ESS are working together to meet growing global demand for long-duration energy storage (LDES), driven by the rapid increase in renewable power generation. This is creating a substantial and fast-growing market as countries worldwide transition to zero carbon energy.