Under the background of "double carbon"

in order to promote the construction of integrated energy system (IES) at the park level

enhance the clean energy consumption capacity and reduce carbon emission

the utilization and sequestration of carbon dioxide generated by the operation of IES are considered to reduce carbon emissions. In this paper

with the minimum total operating cost of IES as the objective function

taking the unit output and system safety as the constraints

introducing the coupling device of power-to-gas and carbon capture system

we establish a low-carbon dispatching model of IES with hydrogen storage at the park level considering stepped carbon trading and carbon storage cost. Taking a park as an example

the CPLEX solver is used to solve the model. The example results show that the proposed model can effectively improve the economy and low-carbon nature of the system

improve the new energy consumption capacity in park

and reduce the cost of wind and light abandonment

which can effectively reduce the carbon emissions and operating costs of the park and improve the flexibility of IES operation.