善用能效目标!上海长宁改造商用建筑 达成减排成效

位于中国东部、长江入海口处的上海市,是中国最大的经济中心。该市期望在2035年前成为全球金融、贸易和技术创新中心的同时,转型成为低碳城市。为达成此目标,上海中心城区西部的长宁区在通过一系列分析研究、财政与技术评估和障碍辨识后,确定了该区建筑部门减排目标、重点行动和投资领域,并评比各种减排方案的减排潜力、成本和实施难易度,绘制出减排成本曲线。

长宁区在减排成本曲线的科学数据基础上发现,提高既有建筑的能效可为该区带来最大的单一减排机会;且相较于政府与民用建筑,商业建筑的节能改造更可为其带来空前的减排机会。因此,长宁区选择在生产总值93%来自于贸易、会展、企业机构总部等服务业的虹桥经济技术开发区,作为推动既有建筑节能改造工作的示范区,成功为该区的节能减碳目标作出重要贡献。

为推进既有建筑能效提升计划,长宁区不仅对国家、省级和市级的建筑能效相关计划和政策进行了通盘审查,更完善了该区2011年启动的建筑能效监测平台,以确保区域内既有建筑存量的相关数据资料,能为项目提供更准确的指引。

基础数据资料和建模工具为长宁区提供良好基础以设定既有建筑能效目标。为促成既有建筑的能效目标和提升计划,长宁区在经过多方尝试后,最终决定通过标准化目标设定方法,对虹桥区内的100栋建筑进行分类和能源绩效排序,以选择须进行节能改造的建筑,并以各类建筑调整后能源使用强度为基准,为参与改造的建筑制定能效目标。另外,长宁区也推出了多元的政策方案和奖惩措施,以确保业主、节能改造开发商、金融机构、租户等各方利益相关者都能积极参与节能改造工作。

通过三阶段的实施计划,长宁区于2013-2018年间先后完成了45栋既有建筑的节能改造,总建筑面积达287万平方米,为该区贡献了相当于31,233吨标准煤的节能量和63,285吨的碳排放量。

除了向利益相关者和社会大众展示项目成果,长宁区也于2018年接受宜可城东亚秘书处的邀请,加入了联合国《人人享有可持续能源 (Sustainable Energy for All)》框架下的“建筑能效加速器 (Building Efficiency Accelerator, BEA)”,期望进一步通过该平台与致力于相同领域的城市和专家交流学习。而长宁区落地实践的经验与收获,更被作为案例研究完整收入于建筑能效加速器的《建筑能效目标手册》,供全球各地城市参考学习。

宜可城东亚秘书处作为建筑能效加速器东亚项目的牵头执行机构,已将建筑能效目标手册:城市通用指南》、建筑能效目标手册:上海长宁区案例研究》、建筑节能规范手册》和《建筑节能改造手册》编译为简体中文版,分享于网络平台上,供中国的地方政府和相关领域专业人士参考。点此进一步了解各手册内容简介



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