Core Viewpoint - Jiangsu has established the most comprehensive and resource-rich regional energy storage peak regulation system in China, serving as a model for the construction of a new power system nationwide. This development coincides with the release of the "Special Action Plan for Large-Scale Construction of New Energy Storage (2025-2027)" which aims for a national installed capacity of over 180 million kilowatts by 2027, potentially driving direct investment of approximately 250 billion yuan [1][3]. Group 1 - Jiangsu's power grid has surpassed a maximum load of 156 million kilowatts, with renewable energy generation capacity exceeding 100 million kilowatts. The fluctuation in solar power generation creates significant peak regulation pressure on the grid, posing challenges to its safe operation [3][4]. - The newly established regional energy storage peak regulation system is designed to address these challenges effectively, acting as a "golden key" to enhance grid stability [3][4]. - The system integrates three core capabilities: centralized utilization of over 7.6 million kilowatts of new energy storage, scientific allocation of 3.73 million kilowatts of pumped storage, and innovative access to mobile energy storage resources from electric vehicles [4][6]. Group 2 - The system's effectiveness is highlighted by its ability to aggregate dispersed energy storage resources across the province, enabling flexible control. Notably, it innovatively incorporates electric vehicles into the scheduling process, guiding them to participate in peak regulation during idle times [6][7]. - During the peak summer period this year, the system demonstrated impressive performance, utilizing energy storage resources over 14,000 times, with total charge and discharge exceeding 25 billion kilowatt-hours and a maximum peak regulation capacity exceeding 10 million kilowatts [7][9]. - The intelligent scheduling platform developed by State Grid Jiangsu Power enables real-time assessment of grid fluctuations, generating optimal charge and discharge control strategies to ensure efficient coordination and cluster control of various energy storage resources [7][9]. Group 3 - To effectively utilize the energy storage system for peak regulation, operational challenges must be addressed, including the need for comprehensive forecasting of power generation from thermal, wind, and solar sources, as well as external power supply [9][10]. - The national landscape shows that various regions, including Inner Mongolia, Shandong, and Xinjiang, have initiated large-scale centralized energy storage calls, each exceeding 5 million kilowatts, to enhance the flexibility and efficiency of energy storage resources [10].

Core Viewpoint - The article discusses the "New Energy Storage Scale Construction Special Action Plan (2025-2027)" issued by the National Development and Reform Commission and the National Energy Administration, aiming for significant advancements in new energy storage by 2027, including marketization, technological innovation, and a multi-dimensional energy storage system to support green energy transition [2]. Group 1 - The new energy storage capacity in China is expected to reach 73.76 million kilowatts by the end of 2024, reflecting rapid development since the "14th Five-Year Plan" period [3]. - The first regional energy storage peak regulation system in China has been established in Jiangsu, integrating various storage technologies to stabilize grid load fluctuations [3]. - During the peak summer period, the Jiangsu energy storage system was utilized over 14,000 times, with a total charge and discharge volume exceeding 25 billion kilowatt-hours, equivalent to adding 10 million-kilowatt coal-fired power plants [3]. Group 2 - The National Energy Administration plans to add over 100 million kilowatts of new energy storage capacity from 2025 to 2027, aiming for a total capacity of over 180 million kilowatts by the end of 2027 [4]. - The action plan emphasizes the integration of "new energy + storage" in market transactions and encourages local exploration of auxiliary service varieties to enhance the market mechanism for energy storage [4].

Core Viewpoint - The National Development and Reform Commission and the National Energy Administration have jointly issued the "Special Action Plan for the Large-Scale Construction of New Energy Storage (2025-2027)", aiming for significant advancements in new energy storage by 2027, including market-oriented development and technological innovation [1] Group 1: New Energy Storage Development - By the end of 2024, the installed capacity of new energy storage in China is expected to reach 73.76 million kilowatts, reflecting rapid growth since the 14th Five-Year Plan [1] - The new energy storage system is increasingly recognized as a crucial resource for flexibility regulation, especially with the rapid development of renewable energy [1] Group 2: Regional Energy Storage System in Jiangsu - Jiangsu's maximum electricity load has exceeded 156 million kilowatts, with over 100 million kilowatts of renewable energy connected to the grid, leading to significant challenges in grid stability due to fluctuating load characteristics [2] - The newly established regional energy storage peak-shaving system in Jiangsu has already demonstrated its effectiveness, with over 14,000 calls for various storage resources and a total charge and discharge volume exceeding 25 billion kilowatt-hours [2] - This system is projected to facilitate the consumption of over 3.8 billion kilowatt-hours of renewable energy annually, equivalent to a reduction of 1.11 million tons of standard coal and a decrease of 2.78 million tons of carbon dioxide emissions [2] Group 3: Future Goals and Market Mechanisms - The action plan outlines goals for new energy storage development from 2025 to 2027, with an expected addition of over 100 million kilowatts of installed capacity, reaching over 180 million kilowatts by the end of 2027 [3] - The plan emphasizes the need for a robust market mechanism to support the integration of "new energy + storage" in electricity market transactions and encourages local regions to explore auxiliary service varieties [3]

Core Insights - The establishment of China's first regional energy storage peak-shaving system in Jiangsu integrates various energy storage technologies, effectively stabilizing grid load fluctuations [1][2] - This system is the most comprehensive and resource-rich energy storage peak-shaving system in China, providing a model for supporting electricity supply in the new power system [1][4] Summary by Sections Energy Storage System Overview - The system combines centralized new energy storage, pumped storage, and electric vehicle grid backup, addressing the challenges posed by the rapid fluctuations in electricity demand due to solar energy generation [1][2] - Jiangsu's maximum electricity load has exceeded 156 million kilowatts, with over 100 million kilowatts of renewable energy connected to the grid [1] Operational Efficiency - The system can centrally call upon over 7.6 million kilowatts of new energy storage and scientifically allocate 3.73 million kilowatts of pumped storage [1] - The innovative electric vehicle grid backup model allows electric vehicles to act as mobile energy storage resources, optimizing their charging and discharging based on grid demand [1][2] Performance Metrics - During the peak summer period, the system has cumulatively called upon various energy storage resources over 14,000 times, with a total charge and discharge volume exceeding 25 billion kilowatt-hours [2] - The maximum peak-shaving power reached over 10 million kilowatts, equivalent to adding ten 1-million-kilowatt thermal power plants to the grid [2] Environmental Impact - The system is projected to facilitate the consumption of over 3.8 billion kilowatt-hours of renewable energy annually, reducing standard coal consumption by 1.11 million tons and cutting carbon dioxide emissions by 2.78 million tons [2] - The successful implementation in Jiangsu demonstrates the effectiveness of a large-scale, intelligent, and diversified energy storage peak-shaving system in addressing the challenges of high renewable energy integration [3][4]