Abstract: In order to meet the needs of national energy transformation and power grid development,increase the flexibility of power grid,ensure the balance between supply and demand,rely on the development status of energy storage technology,incorporate the latest policy benefits such as demand side response according to the relevant policies of Zhejiang user side energy storage,and compare the input and income data of large industrial and general industrial and commercial user side energy storage projects under the installed capacity of 0. 5 MW/1（ MW·h）,the economic benefit analysis and investment suggestions of user side energy storage are put forward.