With the proposal of dual-carbon goals,various regions are actively promoting research on clean energy and related energy storage technologies.The development of energy storage technology is the key to realizing large-scale application of clean energy.Pumped storage,as a new form of energy storage,has developed rapidly in recent years due to its advantages such as large energy storage capacity,fast speed,high reliability,and good economy.However,a scientific framework for quantifying carbon emission reductions has not been established,thus barring the economic advantages of using this energy storage technology from being capitalized on in the carbon emissions trading market.In this paper,the carbon emission reduction accounting method of pumped storage power station project is constructed by determining the accounting boundaries of pumped storage projects,identifying baseline emission scenarios,and determining baseline carbon sink accounting methods.A pumped storage power station project in Fujian Province is analyzed as an example.Research results indicate that the project is capable of achieving an annual carbon emission reduction of 97 407 tCO2,with a total greenhouse gas emission reduction amounting to 681 849 tCO2 over one credit period.
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