Core Insights - The domestic energy storage bidding market is experiencing strong growth, with new bidding volumes reaching 14.73GW/41.54GWh in September 2025, representing a month-on-month increase of 37%/8% [1] - The EPC project bidding volume has seen a significant year-on-year increase of 96%/89%, with a month-on-month growth of 72%/41%, marking a historical high in September [1] - The demand for lithium batteries is expected to exceed 2700GWh next year, with a year-on-year growth rate of over 30% due to strong market demand and investment [2] Industry Overview - The energy storage sector is witnessing a robust demand driven by the independent storage market and supportive capacity pricing policies, indicating a favorable environment for growth [2] - The bidding volume for energy storage systems has also increased significantly, with a year-on-year growth of 96%/113% in September, despite a month-on-month decline [1] Key Companies - BYD has established a complete industrial chain for energy storage, focusing on R&D, manufacturing, sales, and service, and has provided reliable energy storage solutions for numerous projects globally [3] - CATL reported a net profit of 49.034 billion yuan for the first three quarters of 2025, a year-on-year increase of 36.20%, benefiting from the rapid growth in domestic and international energy storage demand [3] - Contemporary Amperex Technology Co., Ltd. (CATL) has seen a 31.7% increase in revenue for the first half of the fiscal year, with energy storage system sales growing by 109.7% [3] - Double Electronics is a key player in AIDC energy storage, serving major internet and data center operators, and is positioned to benefit from the increasing demand for backup power solutions [4]