To achieve the economic operation of grid-connected microgrids

this paper introduces an optimization scheduling method based on the improved spotted hyena optimization(ISHO)algorithm.The scheduling model aims to minimize total scheduling costs

including maintenance costs for micro-power sources

diesel engine generation

and electricity purchase and sale costs.The spotted hyena optimization(SHO)algorithm is improved through strategies such as logistic mapping

nonlinear decreasing control parameters

and reverse learning to obtain the ISHO algorithm.The ISHO algorithm is used to solve the scheduling model

and its optimization performance is compared with other algorithms.The results show that the ISHO algorithm achieved the lowest scheduling cost of 3575.25 yuan

demonstrating higher accuracy than other algorithms

thereby verifying the effectiveness of the ISHO algorithm in microgrid optimization scheduling.