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加拿大政府激励住宅建筑改造的效率
Ali Madadizadeh1, Bahram Gharabaghi1, Kamran Siddiqui2
1School of Engineering, University of Guelph, Guelph, ON, Canada.
Scientific reports
|July 18, 2025
概括
政府激励的建筑改造在加拿大各个城市都取得了不同程度的成功. 定制策略至关重要,因为更高的能源成本提高了财务可行性,并缩短了有效的能源效率升级的回报期.
科学领域:
- 建筑科学 建筑科学
- 能源经济学 能源经济学
- 环境政策 环境政策
背景情况:
- 住宅建筑改造是减少能源消耗和温室气体排放的关键.
- 政府的激励措施旨在加速建筑物采用节能技术.
- 了解这些计划的经济和环境影响对于有效的政策至关重要.
研究的目的:
- 评估政府激励的住宅建筑改造计划的经济和环境效益.
- 分析加拿大十个不同城市的改造性能.
- 评估不同激励结构和能源价格场景的影响.
主要方法:
- 使用垂直城市天气生成器 (VCWG v1.4.9) 软件来建模改造策略.
- 通过像回报期这样的指标来评估财务可行性.
- 通过量化温室气体 (GHG) 排放减少来评估环境影响.
主要成果:
- 改造效率因城市而异,需要采取本地化方法.
- 电价上有利于光伏 (PV) 系统,但降低了热 (HP) 的财务回报.
- 较高的能源成本通常改善了改造的财务可行性,并缩短了投资回报期.
- 建筑信封 (BE) 升级在所有城市提供了一致的,短的回报期.
- 太阳能光伏系统表现出高的环境效益,特别是高电网温室气体强度.
结论:
- 有效的改造政策制定需要细微的,特定于环境的考虑.
- 虽然存在激励措施,但热 (HP) 改造在某些情况下可能带来有限的财务或环境效益.
- 调整改造战略以适应当地经济条件和能源配置,对于最大限度地提高计划影响至关重要.
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