"An emerging flow battery technology got a major boost earlier this year when Gills Onions, one of the largest fresh-cut onion processing plants in the world—began operating a 3.6-MWh vanadium redox battery (VRB) energy storage system (ESS). The 14-acre processing facility in Oxnard, Calif., was already converting 100% of its daily onion waste—up to 300,000 pounds—into a combination of renewable energy and cattle feed using an advanced energy recovery system (AERS) that extracts juice from onion peels and treats it in a high-rate anaerobic reactor to produce biogas that powers two 300-kW fuel cells. But Gills Onions thought it necessary to add energy storage to its AERS to improve the efficiency of the system and further reduce electric costs, citing their main motivation as wanting to shift electricity generation from off-peak to on-peak periods while warding off pricey demand spikes."
Posted on: Sun, 18 Aug 2013 23:26:06 +0000
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