On March 24, 2023, Nanjing Zhengrui Power Technology Co., Ltd. held the “Lishui District Economic Development Zone Energy Storage Promotion Symposium”. This meeting was led by Lishui District Power Supply Company and invited many enterprises in Lishui District Economic Development Zone to participate. As a new energy product, energy storage can provide a variety of services for the power grid, such as peak regulation, frequency regulation, standby, accident emergency response and so on. The promotion and large-scale construction of energy storage projects can effectively strengthen the power guarantee for the production and operation of enterprises in various regions, reduce the shutdown caused by the failure of the distribution network, and reduce the cost loss of enterprises.     As the first enterprise to introduce energy storage projects in Lishui District, our company has publicized the analysis of economic benefits brought to enterprises by energy storage projects for all units. The project has been in safe operation for 27 days since its grid-connected trial operation on February 15, 2023. The total charging power is 8064.13 degrees at night and noon, the charging electricity charge is about 3455.39 yuan, the total discharging power is 6710.94 degrees at morning and afternoon peak, the discharging electricity charge income is about 7692.21 yuan, the electricity price difference income created by the project is about 4236.82 yuan, and the electricity charge is currently saved about 423.68 yuan for users according to the signed energy management contract income.     Through the promotion meeting and on-site visits and explanations, various enterprises fully understood the installation, operation and benefits of the energy storage project, and made breakthrough progress for the promotion of the energy storage project in Lishui District.