Jiangsu's highest dispatch load is greater than 100 million kilowatts,and summer air conditioning load has a higher contribution to the highest load.Summer air-conditioning load characteristics have a great impact for the load peak,power grid planning,demand response and so on.Firstly,starting from the actual data of Jiangsu,using the benchmark load comparison method,the paper selects the typical spring and summer week as the research object,for the summer air conditioning load in-depth mining,and further quantifying the summer air conditioning load and electricity.Secondly,the sensitivity of the air conditioning load to the maximum temperature,the lowest temperature and the average temperature are respectively studied in the working day and the rest day,and the relationship between the air conditioning load and the temperature in different temperature types and different temperature ranges is obtained.Finally,the conclusion of the study on the summer air-conditioning load in Jiangsu is given,which is of great significance for the further study of the follow-up summer load forecast.