我国首个“沙戈荒”新能源外送基地进入全容量并网发电冲刺阶段

Core Viewpoint - The "Shagohuang" renewable energy export base in Hami, Xinjiang, is entering the final stage of full-capacity grid-connected power generation, with over 70% of its installed capacity coming from renewable sources [1][3]. Group 1: Project Overview - The "Shagohuang" renewable energy base covers an area of approximately 1,651 square kilometers and has a total installed capacity of 14.2 million kilowatts [3]. - The project employs a "wind-solar-thermal-storage integrated" model, allowing various energy and storage technologies to work together, ensuring stable energy supply [3][4]. - Once fully operational, the base is expected to deliver 36 billion kilowatt-hours of green electricity annually through the Hami-Chongqing ±800 kV UHV project [3]. Group 2: Resource Utilization - Hami has abundant land and renewable resources, with 66.57% of its 142,100 square kilometers being Gobi desert, providing ample space for large-scale renewable energy development [2]. - The region experiences nearly 200 days of wind speeds above level 8 and has annual sunshine hours ranging from 3,100 to 3,300, making it one of the sunniest areas in China [2]. Group 3: Energy Stability and Technology - The base features the largest "Shagohuang" grid-type energy storage system in the country, addressing challenges posed by extreme weather and the intermittent nature of renewable energy [4][5]. - The innovative grid-type energy storage system enhances the stability of the power grid by actively adjusting output in response to fluctuations, unlike traditional storage systems [5]. Group 4: Economic Efficiency - The project focuses on optimizing technology to improve power generation efficiency and reduce transmission losses, ultimately providing low-cost electricity [7]. - The integrated control system allows for real-time monitoring and optimal dispatch of both renewable and coal power, potentially increasing renewable energy absorption capacity by 3% [8][9]. - The construction of a medium-voltage direct current system reduces conversion losses and enhances stability, allowing for more efficient transmission of generated electricity [10]. Group 5: Water Resource Management - The project has implemented a centralized cooling tower system, significantly reducing water consumption by over 60% compared to traditional coal power plants [13].