Southern California Utility Turns to Ice Storage for Cooling
GLENDALE, Calif.—Ice Energy will be providing up to 25 MW of grid support to power utility Southern California Edison in the form of water that is frozen at night when electricity is cheap. During a hot day, the ice will be used for cooling in rooftop air conditioning units to reduce electricity use. Ice Energy has won 16 contracts with Southern California Edison to provide about 2,500 of its Ice Bear rooftop air-conditioning units across West Los Angeles. Each Ice Bear unit is designed to freeze 450 gallons (1700 L) of water at night when electricity is more affordable. The unit is positioned near a rooftop AC unit and provides cold refrigerant to it on hot days to make it operate more efficiently.
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