鑫椤储能·2025-09-02 07:21Core Insights - The article presents the statistical data of the electrochemical energy storage industry for the first half of 2025, highlighting significant growth in installed capacity and operational efficiency across various sectors [1][4][5]. Group 1: Installed Capacity Overview - From January to June 2025, 190 new energy storage stations were put into operation, with a total installed capacity of 13.66 GW and 33.75 GWh, representing a 22% increase compared to the end of the previous year [2][9]. - As of June 2025, the cumulative operational energy storage stations reached 1,663, with a total installed capacity of 75.79 GW and 175.12 GWh, accounting for 2.08% of the national power generation capacity [9][29]. - The top five system integrators for operational energy storage stations include Haibo Sichuang, BYD, and others, with a total energy of 23.45 GWh, accounting for 36.38% of the market [1][38]. Group 2: Application Scenarios - The independent energy storage sector saw the most significant growth, with an added capacity of 8.34 GW, representing 61% of the total new installations [13][14]. - The cumulative installed capacity for independent storage reached 42.92 GW, primarily distributed across provinces such as Shandong and Jiangsu [14][23]. - New energy storage systems primarily operate at a storage duration of 2 hours, which constitutes 65.22% of the total energy, while systems with 4 hours or more have increased to 31.94% [17][18]. Group 3: Regional Distribution - The newly operational energy storage stations were distributed across 27 provinces, with Hebei, Yunnan, and Qinghai leading in installed capacity [23][24]. - By June 2025, 19 provinces had cumulative installed capacities exceeding 1 GW, with five provinces surpassing 5 GW [25][28]. Group 4: Company Distribution - In the first half of 2025, the five major power generation groups contributed 24.19% of the new installed capacity, while other companies accounted for 73.98% [26][27]. - Cumulatively, the five major power generation groups have an installed capacity of 18.42 GW, while other companies have 55.85 GW [26][30]. Group 5: Energy Efficiency - The average conversion efficiency for electrochemical energy storage systems was reported at 89.34%, with the grid-side storage achieving an average comprehensive efficiency of 82.98% [55][57]. - The operational efficiency of newly installed energy storage stations has improved significantly, with newer installations showing better performance metrics compared to older ones [59]. Group 6: Reliability and Benchmarking - The overall reliability of energy storage stations remained high, with no major safety incidents reported, and a utilization coefficient of 0.98 [60]. - Benchmarking against industry standards shows that energy storage stations are performing well, with various metrics indicating improvements in operational efficiency and reliability [63][66].