Core Insights - By the end of 2025, China's new energy storage capacity is expected to grow by 84% compared to the end of 2024, achieving over 40 times the capacity compared to the end of the 13th Five-Year Plan, indicating significant development in the sector [1] Capacity Growth - As of the end of 2025, the average energy storage duration is projected to be 2.58 hours, an increase of 0.30 hours from the end of 2024 [1] - The North China region holds the largest share of installed capacity, accounting for 32.5% of the national total [1] - In the past year, North and Northwest China have been the main growth areas for new energy storage, with newly installed capacities of 21.88 million kilowatts and 19.66 million kilowatts, respectively, representing 35.2% and 31.6% of the national new installations [1] Project Scale - There is a clear trend towards larger-scale projects, with installations of 100,000 kilowatts and above making up 72% of the total by the end of 2025, an increase of approximately 10 percentage points from the end of 2024 [1] - Projects with a storage duration of 4 hours or more are gradually increasing, with their share reaching 27.6%, up by about 12 percentage points from the end of 2024 [1] Technology Dominance - Lithium-ion battery storage remains the dominant technology, accounting for 96.1% of the installed capacity, while compressed air storage, flow battery storage, and flywheel storage make up 3.9% [1]

Core Insights - By the end of 2025, China's new energy storage capacity is expected to grow by 84% compared to the end of 2024, achieving over 40 times the capacity compared to the end of the 13th Five-Year Plan, indicating significant development in the sector [1] - The average energy storage duration has increased by 0.30 hours to 2.58 hours compared to the end of 2024 [1] Group 1: Capacity and Utilization - The equivalent utilization hours of new energy storage nationwide are projected to reach 1195 hours in 2025, an increase of nearly 300 hours from 2024 [2] - The State Grid and Southern Power Grid have equivalent utilization hours of 1175 hours and 1294 hours, respectively [2] Group 2: Regional and Technical Developments - The North China region accounts for the largest share of installed capacity, with 32.5% of the national total, and has seen significant growth in new installations [3] - New installations in North and Northwest China were 21.88 million kW and 19.66 million kW, representing 35.2% and 31.6% of the national total, respectively [3] - Projects with a capacity of over 100,000 kW now account for 72% of total installations, an increase of about 10 percentage points from 2024 [3] - Lithium-ion battery storage remains dominant, comprising 96.1% of installed capacity, while other technologies like compressed air and flow batteries account for 3.9% [3]