不少光伏厂商出现“第二增长曲线”焦虑：在垂直赛道“内卷”，还是靠光储一体化？

Core Insights - The energy storage industry has seen a rapid increase in demand since the second half of 2025, while the photovoltaic (PV) industry is struggling with overcapacity and declining demand [1][2] - Many PV manufacturers are diversifying into energy storage to create a "second growth curve," with companies like Canadian Solar (Artes) and LONGi Green Energy leading the charge [1][5] - The demand for energy storage is primarily driven by independent storage projects, particularly in regions rich in solar and wind resources [4][3] Group 1: Energy Storage Demand - Energy storage battery shipments reached 59.9 GWh in October 2025, marking a year-on-year increase of 67.6% and a month-on-month increase of 5.7% [2] - The demand is particularly strong in Inner Mongolia, Gansu, and Xinjiang, with independent storage projects accounting for over 90% of the completed procurement scale in November [3][4] - The shift from traditional power-side storage to independent storage is a key factor in the current demand surge [4] Group 2: Photovoltaic Industry Challenges - The PV industry is facing slow progress in capacity reduction and a declining market size, with a projected negative growth in global new PV installations in 2026 [5] - The International Energy Agency has downgraded its PV growth forecast, indicating a reduction of approximately 248 GW in global renewable energy generation capacity over the next five years, with PV accounting for 173 GW of that reduction [5] - Many PV companies are entering the energy storage sector to seek new growth opportunities amid these challenges [5] Group 3: Company Strategies - LONGi Green Energy is acquiring a majority stake in Suzhou Jingkong Energy Technology Co., which specializes in lithium-ion battery storage systems [5][6] - JA Solar has signed a strategic cooperation agreement with Chuangneng New Energy to focus on joint research and sales of core energy storage products [6][8] - Companies like Trina Solar are building their own battery production capacity, while others are forming partnerships to enhance their competitive edge in the energy storage market [7][8] Group 4: Future Outlook - The energy storage sector is expected to play a crucial role in the energy transition and achieving carbon neutrality goals, with a long-term positive outlook [8] - The demand for energy storage cells is anticipated to surpass that of power battery cells in the future, driven by the maturation of economic value models and technological innovations [8] - The need for energy storage is becoming increasingly critical for grid stability and the integration of renewable energy sources [8]