BESS Energy Storage Modules What is..?BESS energy storage modules are prefabricated, modular systems designed to store electrical energy in batteries and release it when required to support grid stability, power reliability and energy optimization. Battery Energy Storage Systems are typically delivered as containerized or skid mounted modules manufactured in factory controlled environments, where batteries, inverters, transformers, fire suppression, thermal management and control systems are fully integrated and tested before delivery.These modules enable efficient energy storage from renewable sources or generators and provide fast response power for peak shaving, backup supply and grid balancing. BESS energy storage modules are engineered more..