Abstract: This paper proposes a fast response and reliability research method based on 5G communication to address the problems of high latency and low reliability in traditional communication methods for power scheduling in new energy stations. Firstly, quantitatively analyze the requirements for latency, reliability, and time synchronization, and establish a composite computing model; Then, a hierarchical transmission architecture integrating 5G network slicing and edge computing is constructed to realize instruction processing nearby and exclusive channel transmission; Meanwhile, design a guarantee mechanism that combines multi link redundancy with adaptive retransmission. The experiment shows that the average response time of this method is only 6.57ms under 0-100% load, which is about 85% shorter than the 4G scheme; Under severe channel interference, the success rate of instruction transmission still reaches 99.05%, meeting the high reliability requirements of the power grid. The research provides effective support for the engineering application of 5G technology in power scheduling of new energy stations.