This article proposes a control strategy for flexible participation of energy storage systems in power grid peak shaving, in response to the severe problems faced by high penetration areas of new energy, such as wind and solar power curtailment, peak shaving, and. This article proposes a control strategy for flexible participation of energy storage systems in power grid peak shaving, in response to the severe problems faced by high penetration areas of new energy, such as wind and solar power curtailment, peak shaving, and. Therefore, this paper proposes a coordinated variable-power control strategy for multiple battery energy storage stations (BESSs), improving the performance of peak shaving. Firstly, the strategy involves constructing an optimization model incorporating load forecasting, capacity constraints, and. They don't generate power, but they help balance it—especially when it comes to frequency regulation and peak load management. These are big terms, but we'll break them down into clear, everyday concepts so you can see how ESS are shaping the future of energy. Energy storage alleviates peak demand, stabilizes grid frequency, enhances resilience against outages, and supports renewable energy integration. Moreover, frequency regulation requires a fast response, high rate performance, and high power capability its of energy storage in industrial parks. In the proposed strategy, the profit a n is an important task in.