40MWh，首个8h工商储项目来了？

Group 1 - The article highlights the successful implementation of Jiangsu's first 8-hour commercial long-duration energy storage project by Weiheng Intelligent Technology Co., Ltd., which serves as a model for the development of commercial energy storage under the electricity market reform [3][7] - The project, located at Suzhou Jingzheng New Materials Technology Co., Ltd., features a 5MW/40MWh energy storage system designed to alleviate high electricity costs during peak production hours, specifically from 14:00 to 22:00 [3][5] - The system utilizes Weiheng Intelligent's proprietary WHES OS smart energy management platform for intelligent scheduling, optimizing charging and discharging strategies based on solar output, load characteristics, and electricity price signals [5][9] Group 2 - The strategic value of the project lies in its alignment with Jiangsu's latest electricity market reform direction, which shifts from fixed time-based pricing to market-driven pricing, allowing independent storage to participate in trading as both a generator and a consumer [7][8] - The transition to a market-based pricing mechanism poses challenges for traditional energy storage models, necessitating a shift towards long-duration storage systems (4 hours and above) that can adapt to structural changes in time-of-use pricing [8][9] - The 5MW/40MWh project has successfully integrated into the medium- and long-term trading system, demonstrating the viability of long-duration storage as a solution to the challenges posed by narrowing price differentials [8][9] Group 3 - The article discusses the advantages of 4-hour and longer energy storage systems, which can effectively address the structural adjustments in time-of-use pricing policies, providing flexibility to cover extended peak pricing periods and enhancing supply stability [8][9] - Various companies are launching 4-hour and longer energy storage solutions tailored for commercial applications, indicating a growing market trend towards these systems [10] - A table is provided detailing several 4-hour commercial energy storage systems from different companies, showcasing their capacities and features, which highlight the competitive landscape in the energy storage sector [11]