Core Insights - The article discusses the latest developments in energy storage projects from several companies, highlighting their contributions to the energy market and advancements in technology [1]. Group 1: Company Developments - CRRC Zhuzhou Institute has successfully connected a 120MW/240MWh grid-connected energy storage system for Jingjiang Special Steel Co., marking the establishment of China's first near-zero carbon steelmaking demonstration plant [2][4]. - The high-voltage direct-connected energy storage system developed by CRRC Zhuzhou Institute achieves a system cycle efficiency exceeding 92%, which is a 6% improvement over conventional low-voltage storage systems, and is expected to generate approximately 48 million yuan in additional revenue over its lifecycle [4]. - CATL has launched a 30MW/60MWh energy storage project in Shandong, which is the largest commercial energy storage project in the province, with an investment of 100 million yuan, aimed at reducing electricity costs by approximately 6.68 million yuan annually [6][8]. - Envision Energy has implemented a 250kW/524kWh energy storage project for Huayou, utilizing a smart liquid cooling system to manage power supply and demand effectively [9]. - Sungrow Power Supply has connected the first phase of an 800MWh energy storage project in Belgium, which is the largest of its kind in Europe, enhancing grid stability and providing clean energy to up to 96,000 households [10][12]. Group 2: Technological Innovations - The grid-connected energy storage system from CRRC Zhuzhou Institute features a unique H-bridge modular cascading design that eliminates the need for transformers, reducing energy loss and improving efficiency [4]. - The system's rapid response capability allows it to support instantaneous power and stabilize bus voltage within 20ms during high-load operations, ensuring energy quality and production continuity [4]. - The collaboration between Huayou and CATL has led to localized application of battery products, enhancing photovoltaic energy utilization by approximately 21.9 million kWh annually [8].