Considering the advantages of integrated energy systems（IES）in economy and energy saving

and the important role of hydrogen storage and electric heat storage systems in power peaking

An IES for parks that includes hydrogen storage and electric heat storage systems is designed

and the capacity configuration method and optimal dispatch strategy are proposed. Firstly

the basic architecture of the system is established

and the mathematical model is established for the key equipment. Then establish a system optimization design model

in which the minimum system integrated energy cost is the optimization target. Finally

the optimization design model is solved by the bi-level solution combining particle swarm optimization（PSO）and Gurobi. Simulation results indicated that the IES designed with the proposed method can plan electricity

hydrogen

cooling and heating together to allocate resources rationally. Compared with the original energy supply system in the park

IES can reduce the energy cost of electricity

heating and cooling

improve the economics of the system

and have the potential to be promoted on the demand side. The hydrogen storage and electric heat storage system can effectively utilize the electricity in the power system valley load period

and has a strong ability to shift peaks and fill the valley.