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我国特高压输电网已初具规模

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所属报告：

电网行业中国电气装备集团深度报告：电网建设新潮至千亿巨头乘风起-230802（35页）.pdf

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我国特高压建设大致可分四个阶段。第一阶段： 2006-2010 年：2006年 8 月发改委批复了中国第一条特高压交流项目：晋东南—南阳—荆门特高压工程。该项目于 2008 年 12 月全面竣工。晋东南—南阳—荆门特高压工程的竣工运行标志着我国已经具备独立建设特高压工程的能力。在这五年中，共有 4 条特高压开工，其中交流 1 条、直流 3 条。2006-2010年间国家共投入 650 亿元支持特高压的建设。第二阶段： 2011-2013年：在该阶段中，国家明确要结合大型能源基地建设，采用特高压等大容量、高效率、远距离先进输电技术；提出建设以特高压为骨干网架、各级电网协调发展的坚强智能电网。在此期间，国家电网公司规划建设联接大型能源基地与主要负荷中心的“三纵三横”特高压骨干网架和 13 项直流输电工程，以形成大规模“西电东送”“北电南送”的能源格局。2011-2013 年间，我国特高压建设的投资额达到了 877 亿元，增长迅速。同时三年间共有 4 条特高压开工，其中交流 2 条、直流 2 条。第三阶段： 2014-2017 年：2014 年 5 月，国家能源局提出加快推进大气污染防治行动，计划 12 条重点输电通道的建设，推进 “四交五直”特高压工程，优化建设电网主网架和跨区域输电通道，并发挥跨省跨区特高压输电通道消纳可再生能源的作用。在此期间，特高压投资额迅速上升，达到了1966 亿元，并且共有 21 条特高压开工，其中交流 7 条、直流 14 条。第四阶段：2018 年-至今：2018 年 9 月国家能源局印发《关于加快推进一批输变电重点工程规划建设工作的通知》，共规划 5 直 7 交特高压输电线路，我国的特高压建设进入快车道。十四五期间，国家电网规划建设24 条交流、14 条直流特高压输电通道。截止 2022 年我国特高压输电线路长度累计已达 44,613km，累计输送电量达 28,346 亿千瓦时。我国的特高压建设已经进入快速发展的高峰期，未来必将乘能源结构转型的“东风”，加速发展。

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