电池及储能行业周报：储能项目招标稳步提升，大电芯逐步起量

Investment Rating - The report provides a standard investment rating for the battery and energy storage industry, indicating a cautious outlook due to recent market fluctuations [2]. Core Insights - The report highlights a positive trend in the demand for electric vehicles, with an estimated retail sales of 770,000 units in May, reflecting a year-on-year increase of over 123% from last year's rural sales [7]. - The energy storage sector is experiencing a significant increase in project bidding, with a total scale of 1.18GW/12.38GWh for new projects, marking a substantial week-on-week improvement [10][28]. - The report emphasizes the importance of leading companies in the industry, such as CATL and Shuneng Electric, which are expected to benefit from their strong market positions and technological capabilities [9][12]. Summary by Sections Battery Sector - The domestic retail sales of narrow-sense new energy vehicles are expected to reach approximately 770,000 units in May, with a penetration rate of 46.7%, supported by new product iterations from various manufacturers [7]. - The supply side of the industry is undergoing orderly adjustments, with lithium salt prices experiencing fluctuations and the pricing of cathode materials remaining under pressure due to oversupply [8]. - CATL is projected to ship 480GWh in 2024, with an estimated profit of around 46 billion yuan, while increasing its self-supply ratio of lithium salts [9]. Energy Storage Sector - A total of 16 new bidding projects were added this week, with a total bidding scale of 1.18GW/12.38GWh, indicating a significant increase in market activity [10]. - The first quarter of 2024 saw a year-on-year increase of 160% in domestic energy storage project bidding scale, with a notable rise in the market concentration of leading suppliers [11]. - The average bidding price for energy storage EPC projects this week was 1.26 yuan/Wh, reflecting an 8% decrease from the previous week [10][28].