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2026新型电力系统建设方案.pdf2026 新型电力系统建设方案明确:我国新型电力系统以新能源为主体,需完成电源结构、功能定位、系统形态、调控体系四大转变,建设直面四大刚性挑战。我国电力需求仍刚性增长,2030 年前用电量年均增速 5%,最大负荷增速达 6.5%,负荷尖峰化特征显著,95% 以上最大负荷持续时间不足 60 小时,供电保障难度持续抬升。资源负荷逆向分布矛盾突出,75% 用电负荷集中在中东部,80% 以上风光水资源集中在西部,西电东送规模持续扩大,电网安全运行与通道建设压力剧增。新能源尚未形成可靠替代,风电保证出力率仅 5%,光伏可参与电力平衡容量占比仅 2%,跨季节调节与极端天气保供能力不足。系统运行逼近极限,高比例新能源、高比例电力电子设备的 “双高” 特征削弱同步稳定基础,宽频振荡等新型稳定问题凸显,多直流密集馈入提升连锁故障风险。方案划定三步走路径:当前至 2030 年加速转型,非化石能源消费比重达 25%,煤电发挥压舱石作用;2030—2045 年总体形成,新能源成装机主体;2045—2060 年巩固完善,实现多能源融合与全系统灵活互动。核心技术聚焦源网荷储协同仿真、全电磁暂态安全控制、构网型新能源装备、CCUS 规模化应用,以技术与机制创新破解消纳、稳定、脱碳难题,兼顾双碳目标与能源电力安全。
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