我国首个区域储能调峰体系在江苏建成

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]