储能业缺芯潮再起

Core Viewpoint - The energy storage industry is experiencing a surge in demand, leading to significant stock price increases for several energy storage companies, reflecting a global explosion in storage demand and market reshuffling [1][3]. Group 1: Company Performance - Major energy storage companies have reported impressive financial results for the first half of 2025, indicating an initial phase of industry reshuffling [3]. - Notable revenue growth was observed in several companies, with Sunshine Power (阳光电源) achieving a 127.78% increase in energy storage revenue, while DeYa Co. (德亚股份) saw an 85.80% rise in its energy storage battery revenue [5]. - CATL (宁德时代) maintained its position as the global leader in energy storage battery shipments, with a total of 55 GWh shipped in the first half of 2025 [6]. Group 2: Market Dynamics - The global energy storage battery shipment volume reached 246.4 GWh in the first half of 2025, marking a 115.2% year-on-year increase, significantly surpassing domestic new energy storage installations [9]. - The energy storage market is projected to grow at a compound annual growth rate (CAGR) of 70%, with the battery energy storage system (BESS) market share expected to rise from 5% five years ago to 25% by 2024 [9][10]. - The demand for energy storage is driven by policy and market mechanisms, transitioning from a passive role to a market-driven phase, enhancing profitability and certainty [10]. Group 3: Production and Supply Chain - The production capacity utilization rates for major companies have significantly improved, with CATL reaching 89.86% and EVE Energy (亿纬锂能) at 80% in Q2 2025, compared to less than 35% a year prior [7]. - There is a notable backlog in orders for energy storage cells, with some orders extending into 2026, indicating a strong demand-supply imbalance [7]. - Prices for energy storage cells have been rising, with mainstream models experiencing a cumulative increase of 10%-20% from June to July 2025, supported by a rebound in lithium carbonate prices [7]. Group 4: Global Expansion - Chinese energy storage companies signed 199 new overseas orders in the first half of 2025, with a total scale exceeding 160 GWh, reflecting a 220.3% year-on-year growth [11]. - The global energy storage market is expected to maintain an annual growth rate of around 30% over the next three years, driven by increasing demand in regions such as Europe, the Middle East, and Southeast Asia [11].