戈壁滩上建起“电力粮仓”

Core Insights - The article highlights the successful operation of the Huayan First Energy Storage Power Station, which has achieved a capacity retention rate of 98% and an online rate of 99.9% over nearly 22 months of operation [1] Group 1: Project Overview - The Huayan First Energy Storage Power Station has a scale of 200 MW/400 MWh and can store 100-120 million kWh of green electricity annually, enough to meet the annual electricity needs of 50,000 households [2] - The station has recorded a cumulative charging amount of over 210 million kWh and a discharging amount of 190 million kWh, with an overall system conversion efficiency of 89.94%, surpassing the average level of energy storage stations in Ningxia [2] Group 2: Technological Innovation - The energy storage system utilizes a distributed modular intelligent storage system that integrates battery management, energy storage conversion, and energy management into standardized cabinets, significantly reducing installation and maintenance costs [2] - The design allows for maintenance to be completed in under 2 hours, ensuring a high online rate of 99.9% for the entire station [2] Group 3: Market Dynamics - The successful operation of the Huayan First Energy Storage Power Station demonstrates the viability of market-oriented models, providing energy storage services to the grid and 17 renewable energy stations through auxiliary service revenue, capacity compensation, and leasing [3] - In the first half of the year, Ningxia increased renewable energy output by 1.62 billion kWh through energy storage, enhancing the utilization rate of renewable energy by 4 percentage points, with both metrics reaching approximately double the values of the same period in 2024 [4] Group 4: Industry Growth - The new energy storage sector is experiencing explosive growth, with the cumulative installed capacity of new energy storage in China reaching 73.76 million kW by the end of 2024, approximately 20 times that of the end of the 13th Five-Year Plan [4] - Innovations in energy storage technology are emerging across the country, such as a 30 MW flywheel energy storage project in Shanxi and a V2G vehicle-to-grid solution from Shenzhen [4] Group 5: Future Outlook - The Ministry of Industry and Information Technology has outlined a roadmap for the high-quality development of the new energy storage manufacturing industry, aiming for international competitiveness and innovation by 2027 [6] - The new energy storage sector is expected to achieve scale and market-oriented development by 2027, supported by policy initiatives and continuous innovation from enterprises [6]