8 Commercial & Industrial Energy Storage Architectures: Engineering Comparison and Selection Guide

Abstract Commercial and industrial (C&I) energy storage systems are not one-size-fits-all. This guide systematically analyzes eight proven architectures—from basic peak-shaving systems to STS-based uninterruptible microgrids and transformer-interconnected energy trading. Each architecture is evaluated by topology, control logic, equipment configuration, complexity, cost, andapplicable scenarios. Global C&I battery storage shipments reached 27 GWh in 2025, growing 145.5% […]