光伏板块反内卷效果明显，板块整体有望迎来修复

Core Insights - The report highlights a positive trend in the power energy sector, particularly in photovoltaic and energy storage segments, with significant year-on-year growth in installed capacity and price increases in key materials [1][3]. Group 1: Photovoltaics - As of September 17, 2025, the average price of polysilicon (dense material) is 51 CNY/Kg, an increase of 1.00 CNY/Kg from the previous week [1][3]. - The photovoltaic sector is expected to benefit from various factors including industry dynamics, policies, and demand-side efforts, leading to an overall recovery in the sector [3]. Group 2: Energy Storage - By the end of the first half of 2025, the cumulative installed capacity of operational energy storage projects in China reached 164.3 GW, a year-on-year increase of 59% [1][3]. - Among this, the cumulative installed capacity of new energy storage reached 101.3 GW, showing a remarkable year-on-year growth of 110% [1][3]. Group 3: Lithium Battery - As of September 19, 2025, the price of lithium carbonate is 71,300 CNY/ton, reflecting a slight increase of 140 CNY/ton from the previous week [1][3]. Group 4: Charging Infrastructure - By the end of August 2025, the total number of charging infrastructure units in the country reached 17.348 million, marking a year-on-year growth of 57.72% [3]. Group 5: Industry Performance - From September 15 to September 19, 2025, the power equipment index rose by 3.07%, outperforming the CSI 300 index by 3.51 percentage points [2]. - In the first seven months of 2025, the total electricity consumption was 58,633 billion kWh, a year-on-year increase of 4.50% [2]. - The newly added power generation capacity in the first seven months of 2025 was 32,480 MW, representing a year-on-year growth of 75.72% [2].