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“十四五”能源成就企业谈丨以电网高质量发展新成效为中国式现代化蓄力赋能
国家能源局· 2025-09-18 09:58
Core Viewpoint - The article highlights the achievements of the State Grid Corporation during the "14th Five-Year Plan" period, emphasizing its role in high-quality development and its contributions to China's modernization efforts through advancements in power grid infrastructure and technology [2][12]. Group 1: Infrastructure Development - The coverage rate of the large power grid has significantly improved, with the installed capacity of wind and solar power ranking first in the world, and the scale of ultra-high voltage transmission networks being the largest globally [2][3]. - The cross-provincial and cross-regional transmission capacity has increased by 30% compared to the end of the "13th Five-Year Plan," with a maximum power transmission capacity exceeding 225 million kilowatts, equivalent to the capacity of 10 Three Gorges power stations [3][4]. Group 2: Market Transactions and Reliability - In the first half of the year, the market-oriented electricity trading volume reached 24,550 billion kilowatt-hours, accounting for 75.3% of the total trading volume, indicating a robust development of cross-provincial electricity trading [4]. - By the end of June 2025, the comprehensive power supply reliability rate is expected to reach 99.950%, an increase of 0.089 percentage points from the end of the "13th Five-Year Plan" [5]. Group 3: Renewable Energy Integration - The installed capacity of wind and solar power connected to the grid has tripled to 1.34 billion kilowatts compared to 450 million kilowatts at the end of the "13th Five-Year Plan," making renewable energy the largest power source in the operating area [7][8]. - The State Grid has successfully tackled challenges related to integrating a high proportion of renewable energy into the grid, establishing a large-scale renewable energy grid operation control system [7][10]. Group 4: Technological Innovation - Research and development investment has increased by 21% compared to the "13th Five-Year Plan," with significant technological advancements including the world's first controllable converter technology and the development of ultra-high voltage direct current control protection equipment [9][10]. - The "Light Power Big Model," an AI-driven decision-making tool, has improved operational efficiency, reducing decision-making time from 30 minutes to one minute [11][12]. Group 5: Future Outlook - Looking ahead to the "15th Five-Year Plan," the State Grid aims to continue supporting high-quality development in the energy sector, focusing on the construction of the power grid and the integration of renewable energy [12].