ESS Tech (GWH), a manufacturer of iron flow long-duration energy storage systems, has reached a significant milestone, with its global fleet surpassing 2.5 GWh of transacted energy. The company has made progress in delivering its Energy Center product line, with two units completed for Portland General Electric and eight systems delivered to a major Florida utility, both projects expected to be operational this year. The Energy Center product line has secured several important certifications, including ETL certification to UL 9540 standard for safety and environmental performance, MESA-Device profile certification for system communication and control, and IEEE 693-High certification for seismic rating. ESS is expanding its product line to include 12+ hour energy storage solutions with the Energy Base product. The company’s global fleet provides safe and sustainable long-duration energy storage solutions, enabling energy security, reliability, and resilience.
ESS Inc.’s Iron Flow batteries reach 2.5 GWh threshold as utility-scale deployments surge forward.
