As large-scale energy storage solutions, they support grid stability, renewable integration, and peak demand management. This guide provides a detailed overview of utility battery systems, addressing common questions and offering insights into technology, economics, safety, and. . Large-scale energy storage facilities are critical for managing and stabilizing the energy supply, notably in scenarios where renewable resources are plentiful but inconsistent. The optimal battery type for these systems hinges on numerous factors that must be meticulously evaluated. Lithium-ion. . The modules with the batteries are placed in 6-meter long containers, similar to those used in maritime transport, which are located next to wind farms. From residential solar systems to commercial and industrial backup power and utility-scale storage, batteries play. . This special issue is dedicated to the latest research and de-velopments in the field of large‐scale energy storage, focusing on innovative technologies, performance optimisation, safety enhancements, and predictive maintenance strategies that are crucial for the advancement of power systems.