“储”足干劲 顶“峰”而上

Core Insights - The report highlights Jiangsu's significant growth in new energy storage capacity, ranking first in the Yangtze River Delta and fourth nationally, with a total installed capacity of 7.26 million kilowatts, a year-on-year increase of 104% as of June 30 this year [1] - New energy storage is crucial for energy security and the green transition, acting as a "super power bank" to balance electricity supply and demand [1] Group 1: Storage Technology Overview - Energy storage is categorized into pumped storage and new energy storage, with pumped storage being the most mature and economically viable technology for large-scale development [2] - Jiangsu's geographical limitations hinder the development of pumped storage, with an expected installed capacity of 3.05 million kilowatts in 2024, increasing to 3.5 million kilowatts by 2025 [2] - The province's strength lies in its aggregation effect, enabling coordinated dispatch of various new energy storage resources [2] Group 2: Operational Efficiency - Jiangsu Electric has integrated 95 large-scale new energy storage stations into a unified dispatch system, transitioning from independent operations to centralized control [3] - The company aims to increase the grid-connected capacity of independent shared new energy storage to over 8 million kilowatts by 2030 [3] Group 3: Regional Collaboration - Jiangsu has leveraged inter-provincial cooperation to import surplus pumped storage resources from Anhui and Zhejiang, with a total annual electricity supply of approximately 1.15 billion kilowatt-hours from these sources [4] - The newly added pumped storage project in Anhui is expected to generate 1.2 billion kilowatt-hours annually, enhancing renewable energy consumption [4] Group 4: Technological Innovations - Jiangsu is pioneering compressed air energy storage, with the world's largest non-combustion compressed air storage power station in Jintan, capable of storing 480,000 kilowatt-hours of electricity [5] - The project has demonstrated a conversion efficiency exceeding 60% and has responded to peak shaving commands multiple times during the summer months [5] Group 5: Diverse Energy Storage Solutions - Jiangsu is exploring various energy storage solutions to address the challenges posed by the volatility of renewable energy sources, including the first gravity energy storage demonstration project in China [6] - The gravity storage project is designed to convert potential energy into electrical energy with an efficiency of 85% [6] Group 6: User-Side Storage Development - User-side new energy storage projects are proliferating, with notable installations such as a 61,000-kilowatt storage station by Nanjing Iron and Steel Group, the largest of its kind in the country [7] - Smaller distributed storage systems are also emerging, indicating a growing trend in user-side energy storage solutions [7] Group 7: Industry Chain Development - The new energy storage industry in Jiangsu is becoming increasingly integrated, with a projected sales revenue exceeding 200 billion yuan in 2024 [9] - The province is expected to produce one-third of the national lithium battery output, with nearly 2,000 companies holding core invention patents [9] Group 8: Standardization and Future Outlook - The establishment of local standards for energy storage systems and the development of smart energy settlement terminals are enhancing industry regulation [10] - Jiangsu aims to continue fostering innovation in new energy storage technologies through collaboration with research institutions and universities [10]