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Power Storage as İce

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Thread Starter 
Another method of shifting power from periods of low demand to periods of higher demand is to make ice at night which is used later in the day for cooling. The method has been in use for a many years apparently but is getting new attention and new areas are looking into it.

From Green Biz - PASADENA, CA, and WINDSOR, CO — The Southern California Public Power Authority and İce Energy are launching a project to shift 53 megawatts of peak-time power consumption to hours of lower demand by deploying units that make and use ice to run air conditioners. 

http://www.greenbiz.com/news/2010/01/27/socal-utilities-turn-ice-energy-put-chill-peak-demand?page=0,0&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:%20greenbiz/resource-efficiency/water%20(Resource%20Efficiency%20|%20Water%20|%20GreenBiz.com)
post #2 of 2

Just heat storage is driven economy, providing operational savings by using off-peak hours or rates of use of feeding time in cold water or ice, and then used for cooling during peak hours. No differentiation between day / night tariff would not be an operational advantage. emergency cooling capacity is desirable.In application modernization low chilled water temperature can increase system capacity without charge.Options include cold water, ice, and eutectic salts. Ice Systems offers the densest storage capacity, but the prosecutions most complex and discharge equipment. Water systems have the lowest storage density but are less complex. eutectic salt systems fall somewhere between the capacity of water ice both.The TES thermal energy storage has increased storage coldest water possible and by extracting as much heat from the cooling water in practice and increase the temperature of the water back.

Thanks

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