Core Insights - The global energy storage system integration industry is experiencing significant changes, with a trend of "the strong getting stronger and tiered differentiation" becoming increasingly evident [2] Group 1: Market Concentration and Competition - The market concentration of the top five global energy storage system integrators has decreased from 62% in 2022 to 49% in 2024, indicating a more diversified competitive landscape [3] - The market share of the top ten battery storage system integrators is projected to decline from 82% in 2023 to 77% in the first half of 2025, with the gap between the top and fifth-ranked companies narrowing from 14 percentage points to 5 [6] - In China, the top five system integrators accounted for 36.38% of the market share, with their total installed capacity reaching 23.45 GWh [6] Group 2: Rise of Chinese Companies - Since 2022, Chinese energy storage system integrators have rapidly risen to prominence, capturing a significant share of both domestic and global markets [8] - By 2024, 13 out of the top 20 global energy storage system integrators will be Chinese companies, with seven out of the top ten in the first half of 2025 [11] - Sungrow surpassed Tesla in energy storage system shipments in the first half of 2025, with expectations to maintain a total shipment forecast of 40-50 GWh for the year [11] Group 3: Industry Dynamics and New Entrants - The competitive landscape is becoming increasingly intense, with major players from various sectors, including battery manufacturers and renewable energy companies, entering the energy storage system integration market [13][14] - New entrants are reshaping the competitive ecosystem, leading to a shift from collaboration to competition between battery manufacturers and system integrators [15] - The market share of battery manufacturers in the Battery Energy Storage System (BESS) market has decreased from over 40% in 2023 to below 30% in the first half of 2025, highlighting the growing importance of system integration capabilities [16]

Core Insights - The competition in the energy storage system integration segment is more intense than in the energy storage cell segment [1][3] - Major players in global energy storage system shipments for the first half of 2025 include Sungrow, Tesla, BYD, CRRC Zhuzhou Institute, and Hiber [1][3] - The market concentration ratio (CR10) for energy storage cells is 91.2%, while for system integration it is only 60.2% [3] Group 1: Market Dynamics - In the first half of 2025, global large-scale energy storage system shipments reached 147.6 GWh [3] - The top five companies in the large-scale storage system market are Sungrow, Tesla, BYD, CRRC Zhuzhou Institute, and Hiber [3] - In the household storage market, the leading companies are Tesla, Huawei, BYD, Pylon Technologies, and Sungrow [3] Group 2: Competitive Landscape - The structure of the top ten system integrators shows an influx of leading players from various sectors, including photovoltaic components, wind power, new energy vehicles, and inverters [3] - American companies have shown weaker performance in shipment rankings compared to last year, with only Tesla maintaining a strong position [3] - Fluence, which ranked fourth last year, has dropped to tenth place this year, while other American integrators have fallen out of the top ten [3] Group 3: Pricing and Market Health - There is a significant and irrational price competition in the energy storage industry, with system prices dropping nearly 80% since the second half of 2022 [4] - Approximately one-third of system integrators are selling below cost, and this proportion is increasing [4] - The Energy Storage Leaders Alliance has proposed initiatives to improve industry health, including better management of exhibitions and information dissemination, establishment of industry self-regulation, and measures against market disruption [5] Group 4: Future Outlook - The competitive landscape among the top three system integrators—Sungrow, Tesla, and BYD—is stabilizing, with no changes in rankings for two consecutive quarters [5] - It is expected that Sungrow will dominate the large-scale storage segment throughout the year, while Tesla and BYD will compete closely for the second position [5] - The independent storage projects in Inner Mongolia may allow Envision Energy to potentially break into the top five in terms of shipment volume in the second half of the year [5]