Core Insights - The article highlights a decline in the scale of energy storage EPC (Engineering, Procurement, and Construction) bidding in October, attributed to the construction cycle of energy storage projects, while the energy scale of storage system bidding has shown a slight increase, indicating solid market demand [2][5]. Bidding Scale and Trends - In October, the total number of energy storage bidding segments tracked was 175, reflecting a year-on-year decrease of 28.6% and a month-on-month decrease of 34.0%. The total bidding scale for storage systems was 2.9GW/11.2GWh, down 21.0%/11.3% year-on-year but up 15.4% month-on-month [3][5]. - The EPC bidding scale reached 5.1GW/14.2GWh, showing a year-on-year decline of 11.3%/7.8% and a month-on-month drop of 60.9%/58.3% [3][5]. Technical and Market Trends - Long-duration energy storage and grid-connecting technologies are the most significant trends in the current market, with multiple projects requiring 4 hours or more of storage capacity, reflecting a growing demand for long-duration regulation capabilities [2][5]. - In regions rich in renewable energy, such as Xinjiang, grid-connecting storage has become a key technology choice for new projects, enhancing grid stability [2]. Regional Insights - Xinjiang has emerged as the dominant region for EPC bidding, with a scale of 4GWh in October, primarily due to multiple GWh projects in the Aksu area [11]. - The Ningxia region also showed significant EPC bidding activity, with a scale of 2.4GWh, where user-side projects accounted for over 50% [11]. Participants and Market Dynamics - The number of bidding entities for storage systems was 66, down 7.0% year-on-year, while EPC bidding entities totaled 87, down 25.6% year-on-year [13]. - Major players include China Power Construction Group and local energy companies, with increasing participation from private enterprises, contributing to a more diverse market landscape [13].

Core Insights - The energy storage system bidding scale in October reached 3.2GW/12.6GWh, showing a year-on-year increase of 56.6% in power and 116.8% in energy, but a month-on-month decrease of 39.6% in power and 37.9% in energy [2][4] - The EPC (including PC) bidding scale was 6.0GW/15.1GWh, with a year-on-year increase of 58.4% in power and 43.5% in energy, but a month-on-month decrease of 32.3% in power and 35.5% in energy [2][4] - The decline in bidding scale is attributed to the seasonal adjustment in the bidding market as project construction progresses towards the end of the year [4] Bidding Scale - The energy storage system bidding scale in October continued its downward trend, with a significant year-on-year increase but a month-on-month decline [3] - The total number of bidding segments tracked was 157, which is a decrease of 4.8% year-on-year and 31.4% month-on-month [2] Regional Distribution - Ningxia led the national EPC bidding scale in October with 3.46GWh, primarily due to multiple projects in the Zhongwei area [7] - Xinjiang ranked among the top three in national EPC bidding scale for six consecutive months, with a focus on grid-structured projects [8] - Henan's EPC bidding scale reached 1.8GWh, with over 50% from user-side projects [8] Bidding Prices - The average bidding price for 2-hour energy storage systems was 576.7 yuan/kWh, showing a slight year-on-year decrease of 0.3% and a month-on-month decrease of 2.3% [12] - The average bidding price for 4-hour energy storage systems increased by 45.9% month-on-month, primarily due to several grid-structured projects [12] - The average bidding price for EPC projects was 1061.9 yuan/kWh for 2-hour systems, reflecting a year-on-year increase of 13.3% but a month-on-month decrease of 2.5% [15]

Core Insights - The article provides an analysis of the energy storage bidding market for September 2025, highlighting trends in project awards and pricing dynamics [2][3]. Group 1: Market Overview - In September 2025, a total of 202 energy storage bidding segments were tracked, showing a year-on-year decrease of 6.0% but a month-on-month increase of 41.3% [4]. - Nearly 60% of the awarded segments were from EPC (Engineering, Procurement, and Construction), totaling 121 segments, which represents a year-on-year increase of 13.1% and a month-on-month increase of 89.1%, marking a new high for the year [4]. Group 2: Awarded Capacity and Trends - The awarded capacity for energy storage systems reached 5.5 GW/19.8 GWh, reflecting a year-on-year increase of 13.4%/71.5% but a month-on-month decrease of 65.1%/49.0% [6][7]. - The EPC awarded capacity was 8.8 GW/23.3 GWh, with year-on-year increases of 71.4%/100.4% and month-on-month increases of 38.3%/15.9% [6][7]. Group 3: Application Scenarios - Over 80% of the awarded capacity was for grid-side applications, with grid-side awarded capacity reaching 16.2 GWh, a year-on-year increase of 112.7% and a month-on-month increase of 43.6% [9]. - The increase in grid-side projects was driven by several large-scale independent energy storage projects in Inner Mongolia and other regions [9]. Group 4: Regional Distribution - In terms of regional distribution, Xinjiang led the country in EPC awarded capacity with 5.3 GWh, where independent storage accounted for 94.3% [11]. - Inner Mongolia also showed high activity in the energy storage bidding market, with an EPC awarded capacity of 4.3 GWh, where independent storage made up 97.7% [12]. Group 5: Pricing Dynamics - The average bidding price for 2-hour energy storage systems was 595.9 yuan/kWh, showing a year-on-year decrease of 11.9% but a month-on-month increase of 5.6% [14]. - The average bidding price for EPC (excluding PC) was 1085.8 yuan/kWh, with a year-on-year decrease of 18.0% and a month-on-month increase of 13.1% [17].

Core Viewpoint - The energy storage bidding market experienced a significant decline in both quantity and scale in July 2025, attributed to policy adjustments and project construction cycle effects, leading to a noticeable decrease in market activity compared to the same period last year [2][9]. Bidding Market - The number of bidding projects tracked was 185, a year-on-year decrease of 30.7%, with 148 projects awarded, down 34.5% year-on-year [2]. - Excluding bulk procurement, the number of energy storage system bidding segments was 46, down 45.2% year-on-year and 4.2% month-on-month; EPC (including PC) bidding segments totaled 101, down 23.5% year-on-year and 30.8% month-on-month [3]. - The bidding scale for energy storage systems was 1.6 GW/4.7 GWh, a year-on-year decrease of 20.0%/11.3% and a month-on-month decrease of 88.8%/86.3% [4]. Award Market - The number of awarded energy storage system segments was 24, a significant year-on-year decline of 79.3% and a month-on-month decrease of 7.7%; EPC awarded segments totaled 79, a slight year-on-year decrease of 1.3% and a month-on-month decrease of 14.1% [6]. - The awarded scale for energy storage systems was 1.4 GW/4.1 GWh, down 75.2%/70.5% year-on-year but up 37.3%/31.4% month-on-month; EPC awarded scale was 4.4 GW/11.4 GWh, up 42.2%/47.7% year-on-year but down 46.7%/51.3% month-on-month [6]. Award Prices - The average winning price for 0.5C energy storage systems was 471.1 yuan/kWh, down 30.2% year-on-year and 25% month-on-month, marking a historical low [10]. - The average winning price for EPC was 1023.5 yuan/kWh, down 17.8% year-on-year but up 11.7% month-on-month; the price range was between 663.8 yuan/kWh and 1691.2 yuan/kWh [11]. - The average winning price for 0.25C systems was 1096.9 yuan/kWh, up 30.2% year-on-year and 32.8% month-on-month, indicating a trend of cost optimization and improved service quality in the industry [11].