The S200 battery modules from long-duration, iron flow battery specialists ESS Tech Inc. are now certified under UL 1973. This standard for stationary energy storage systems confirms quality, resilience and ability to operate safely and effectively in a variety of conditions.
S200 modules power the ESS Energy Warehouse and Energy Center product lines. ESS flow technology uses iron, salt and water and is ideal for applications that require up to 12 hours of flexible energy capacity.
In 2022, ESS also achieved certification to the UL 9540A standard, demonstrating that ESS systems pose no risk of thermal runaway.
Combined, the two safety certifications ease concerns about energy storage installation in regions prone to wildfires or are adjacent to populated areas. Recent use cases illustrate the advantages of ESS’ safe and nontoxic energy storage technology:
In January, ESS was selected by Amsterdam Airport Schiphol to provide a battery system that will enable electrification of ground operations. The safety profile of ESS technology was a key factor in system selection given close proximity to passenger aircraft.
In addition, ESS was selected by the Sacramento Municipal Utility District (SMUD) to deliver up to 2 GWh of energy storage systems in support of the utility’s 2030 Clean Energy Vision.
ESS systems provide resilient, sustainable energy storage well-suited for multiple use cases including utility-scale renewable energy installations, remote solar + storage microgrids, solar load-shifting and peak shaving, and other ancillary grid services. ESS says its technology has a 25-year design life without capacity fade.
— Solar Builder magazine
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