Stone-edge_flowbatt

ESS Inc. is operating a customized All-Iron Flow Battery (IFB) system at Stone Edge Farm winery in Sonoma, California to demonstrate how energy storage can enable net zero, with intermittent renewables, in an advanced microgrid application. The iron, salt, and water electrolyte was hydrated on-site as part of a two day installation and commissioning. The 60 kWh IFB system provides multiple services that will maximize the microgrid’s use of renewables. The Iron Flow Battery system installed at Stone Edge Farm has a 60 kWh energy capacity with a 10 kW, 480 VAC, 3-phase interface.

The system is self-contained in a 20’ ISO shipping container, the IFB was easily sited in an environmentally sensitive area, given its small footprint and non-toxic, non-flammable chemistry. Microgrid controls at Stone Edge are provided by DC Systems, Inc. and connect to the IFB through a MODBUS communication link. The Iron Flow Battery will receive commands from DC System’s controller responding to specific needs on the microgrid to supply power at night, for irrigation or hydrogen generation, or during the day to smooth out the intermittencies of solar on the microgrid.


Flow Battery


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