ESS

ESS Inc. is a leading provider of long-duration (4+ hours) energy storage solutions ideally suited for C&I, utility, microgrid and off-grid applications. Our iron flow battery, the Energy Warehouse (EW), is capable of up to 8 continuous hours of energy delivery with a 20+ year operating life and no capacity degradation. Composed of earth-abundant iron, salt and water for its electrolyte, the EW is a safe, long-lasting solution with the lowest levelized cost of storage (LCOS) per kWh