GOLDEN SUN SECURITIES·2025-09-14 12:05Investment Rating - The report maintains an "Accumulate" rating for the industry [5] Core Views - The report highlights significant price recovery in dry and wet diaphragm prices since August, driven by supply-demand dynamics in the lithium battery sector [4][27] - The photovoltaic sector is experiencing efficiency and yield improvements, particularly in perovskite technology, which is expected to accelerate its industrialization [15][16] - Wind energy investment enthusiasm is high following the release of bidding results for new projects in Shandong, with a notable focus on offshore wind cable profitability [2][17] Summary by Sections 1. New Energy Generation - Photovoltaics: Perovskite technology has achieved a production power of 505W with an efficiency of 18.6% and a production line yield exceeding 95%. The average efficiency of crystalline silicon modules is around 22-23% [15][16] - Wind Power & Grid: The mechanism electricity prices for photovoltaic and wind power in Shandong are set at 0.225 CNY/kWh and 0.319 CNY/kWh, respectively, reflecting decreases of 43% and 19.2% compared to previous benchmark prices [17] - Hydrogen & Energy Storage: A significant investment of approximately 189.2 billion CNY is planned for a wind power hydrogen production project, aiming to produce 600,000 tons of green methanol and 400,000 tons of green ammonia annually [20][21] 2. Energy Storage - The bidding price range for W1 energy storage systems is between 0.3928 CNY/Wh and 0.585 CNY/Wh, with a notable focus on large-scale storage solutions [22][26] - The report suggests monitoring companies with high growth certainty in the energy storage sector, including Yangguang Electric and Kehua Data [26] 3. New Energy Vehicles - The prices of dry and wet diaphragms have seen significant increases, with dry diaphragm prices rising over 30% this year. The demand is primarily driven by the new energy vehicle and energy storage markets [27][28] - The report indicates that the penetration rate of new energy vehicles has surpassed 60% in early September, with a projected production capacity exceeding 150 GWh for major battery manufacturers [27]