Core Insights - The domestic energy storage bidding market in China is experiencing strong growth, with new bidding volumes reaching 14.73 GW/41.54 GWh in September 2025, representing a month-on-month increase of 37% and 8% respectively [1][2] Group 1: Bidding Volume and Growth - The EPC project bidding volume increased to 12.9 GW/33.58 GWh, showing a year-on-year growth of 96% and a month-on-month growth of 72% [1] - The energy storage system bidding volume reached 1.83 GW/7.96 GWh, with a year-on-year increase of 96% and a month-on-month decrease of 44% [1] Group 2: Market Composition - Independent energy storage accounted for 72% of the bidding volume, with 12.33 GW/34.06 GWh, primarily concentrated in Xinjiang and Inner Mongolia [4] - Commercial and industrial energy storage projects made up 3% of the total, highlighted by a significant 1 GWh project in Henan [4] Group 3: Winning Bids - The total winning bid volume for September was 10.05 GW/33 GWh, reflecting a year-on-year increase of 41% and a month-on-month increase of 13% [7] - EPC projects contributed 6.55 GW/17.07 GWh to the winning bids, with a year-on-year growth of 53% [7] Group 4: Pricing Trends - The average bid price for 2-hour energy storage systems increased by 27% to 0.58 CNY/Wh, with a price range of 0.46-0.91 CNY/Wh [11] - The average bid price for 4-hour energy storage systems decreased by 5% to 0.4 CNY/Wh, with a price range of 0.39-0.49 CNY/Wh [12]

Core Insights - The report highlights a significant decline in domestic solar installations in August 2025, with a 55.29% decrease compared to the previous month, indicating weak terminal demand, while overseas demand remains stable [1][2] - Cumulative solar installations from January to August 2025 reached 230.61 GW, reflecting a year-on-year growth of 65% [2] - The report also notes a substantial increase in solar component exports in August 2025, with 25.02 GW exported, marking a year-on-year increase of 29.7% [2] Domestic Market Analysis - In August 2025, the newly added solar capacity was 7.36 GW, down 55.29% from the previous month, indicating weak domestic demand [2] - The focus for the domestic solar market in September and October 2025 will be on the implementation of the national 136 document and the first round of bidding [2] - The report mentions that the National Standardization Administration has completed the revision of mandatory energy consumption standards for polysilicon, tightening existing standards [2] Overseas Market Analysis - The cumulative export of solar components from January to August 2025 was 166.09 GW, showing a year-on-year decline of 3.03% [2] - In the U.S., the newly added solar capacity in Q2 2025 was 7.5 GW, representing a year-on-year growth of 9.83% [1][2] Industry Pricing and Production - In September 2025, polysilicon production was approximately 130,000 tons, with total social inventory expected to be around 440,000 to 450,000 tons, indicating potential inventory pressure [3] - The average price of N-type polysilicon was 51.7 yuan/kg, with production exceeding demand [3] - The average price of 182mm monocrystalline silicon wafers increased by 8% month-on-month to 1.35 yuan/piece [3] Energy Storage Market - The U.S. saw a cumulative installation of 8,043 MW of energy storage from January to August 2025, a year-on-year increase of 33% [4] - In China, energy storage capacity is expected to grow significantly, with 102 GWh of energy storage tenders issued from January to September 2025, a 30% year-on-year increase [4] Investment Recommendations - The report suggests focusing on high-growth areas such as inverters and brackets, recommending companies like Sungrow Power Supply and Longi Green Energy [5] - It also highlights the benefits of supply-side reforms for leading solar companies and emphasizes the importance of new technology leaders in the industry [5]

Core Insights - The article provides an analysis of the energy storage bidding market in September, highlighting trends in bidding segments and technological diversification in energy storage solutions [2][3]. Bidding Market Overview - In September 2025, a total of 247 bidding segments were tracked, representing a year-on-year decrease of 7.8% but a month-on-month increase of 4.2%. This includes various categories such as EPC, energy storage systems, batteries, and more [4]. - The bidding segments for energy storage systems totaled 59, down 35.9% year-on-year but up 3.5% month-on-month. EPC bidding segments reached 160, showing a year-on-year increase of 3.2% and a month-on-month increase of 9.6% [5]. Bidding Scale - The EPC bidding scale reached a historical high of 12.4 GW/32.4 GWh, reflecting a year-on-year increase of 52.9%/47.3% and a month-on-month increase of 21.3%/4.3%. The energy storage system bidding scale was 2.9 GW/9.3 GWh, with a year-on-year increase of 58.4%/125.3% but a month-on-month decrease of 34.4%/43.4% [6][8]. Application Distribution - In September, the EPC bidding scale growth was primarily driven by grid-side projects, reaching 29.4 GWh (90.7% of total), with a year-on-year increase of 124.6% and a month-on-month increase of 13.1%. User-side bidding also saw significant growth, reaching 2.1 GWh, up 177.5% year-on-year and 78.9% month-on-month [10]. Technological Diversification - The bidding projects in September exhibited a notable trend towards technological diversification. Lithium-ion batteries remained dominant at 86.7%, but there was a decrease compared to previous months. Non-lithium storage technologies, such as compressed air and flow batteries, showed active participation [12][14]. Bidding Entities - The number of bidding entities for energy storage systems totaled 60, down 33.3% year-on-year but up 1.7% month-on-month. For EPC, there were 138 entities, showing a slight year-on-year decrease of 0.7% but a month-on-month increase of 12.2% [14].