行家说储能·2025-07-14 10:34Core Viewpoint - The article highlights the growing importance of energy storage in Shaanxi province, emphasizing the development of user-side energy storage projects alongside wind and solar resource utilization [1]. Group 1: User-Side Energy Storage Projects - The user-side smart energy storage project by Bluestar Technology, with a total capacity of 0.875MW/1.799MWh, has been successfully connected to the grid [2][3]. - The energy storage system operates on a two-charge and two-discharge strategy, with an estimated annual discharge of approximately 993,800 kWh, leading to significant cost savings on electricity bills [5]. - The project consists of seven energy storage units using the PowerStack 255CS series from Sungrow, achieving an all-weather efficiency of over 88%, which is 2%-4% higher than the industry average [6]. Group 2: Policy and Market Dynamics - Shaanxi province has introduced a new energy storage development plan for 2024-2025, encouraging users to adopt new energy storage solutions to enhance load response capabilities [7]. - A recent proposal aims to adjust time-of-use electricity pricing to promote energy storage adoption, with projections indicating that a household system combining 5kW solar and 10kWh storage could yield an annual profit of 2,100 yuan, with an investment payback period of about eight years [7]. - Despite the narrowing price difference between peak and valley electricity rates, user-side energy storage projects are transitioning from a single arbitrage model to diversified profit models, including demand-side response and virtual power plants [9]. Group 3: Project Statistics and Growth - From January to May this year, Shaanxi province recorded 38 user-side energy storage projects with a total capacity of 46.129MW/126.209MWh, representing 65.57% of last year's total project count and 73.80% of the total capacity [10]. - Several user-side energy storage projects have been established in Shaanxi, including a 1.5MW/3MWh project between Shaanxi Gas Group and Kaidi Northwest Rubber Co., Ltd. [11]. - The article lists various energy storage projects in Shaanxi, detailing their capacities, investment amounts, and project units, indicating a robust growth in the sector [13][15].