Huawei's Smart String Grid-Forming ESS ensures robust protection through five layers of integrated safety design, from individual cells, battery packs, racks, systems, and the grid. This 110kV power grid is made up of a 400MW PV array and 1. Energy Storage System Products List covers all Smart String ESS products, including LUNA2000, STS-6000K, JUPITER-9000K, Management System and other accessories product series. It currently provides clean. The ESS is a prefabricated all-in-one energy storage system with a modular structure, integrated power supply and distribution cabling, monitoring functions, environmental sensors and fire protection measures. It offers a high level of safety, reliability, rapid operational readiness, low costs. This document describes the networking architecture, communication logic, and operation and maintenance (O&M) methods of the commercial and industrial (C&I) on-grid energy storage solution, as well as the installation, cable connection, check and preparation before power-on, system power-on. Huawei Digital Power has launched a new generation of smart string grid-forming power conversion system (PCS) at SNEC 2026 in Shanghai, expanding its grid-forming technology portfolio across energy storage, PV and load-side applications. The company presented the solution during its FusionSolar.