Contribution of Ice Storage System to Electricity Sector: Carbon Dioxide Emissions Reduction

A method was presented to calculate CO2 emissions reduction of electricity sector resulting from the utilization of ice storage system. A typical ice storage system in an office building under East China power grid was analyzed. The results show that by the utilization of ice storage system, the load factor of power grid could be improved and thus electricity sector could reduce CO2 emissions. CO2 emissions reduction per unit of storage capacity for the typical ice storage system is 0.557kg/kWh. It's proposed that CO2 emissions reduction be used as an indicator to assess the externalities of ice storage system to electricity sector.