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首页> 外文期刊>Energy Efficiency >Estimating a threshold price for CO2 emissions of buildings to improve their energy performance level: case study of a new Spanish home
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Estimating a threshold price for CO2 emissions of buildings to improve their energy performance level: case study of a new Spanish home

机译：估算建筑物二氧化碳排放量的起征点价格，以提高其能源绩效水平：西班牙一座新房屋的案例研究

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摘要

Energy consumption in homes produces CO2. In many countries, building regulations are being set to enable energy efficiency performance levels to be issued. In Spain, there is a regulated procedure to certify the energy performance of buildings according to their CO2 emissions. Consequently, some software tools have been designed to simulate buildings and to obtain their energy consumption and CO2 emissions. In this paper, investment, maintenance and energy consumption costs are calculated for different energy performance levels and for various climatic zones in a single-family home. According to the results, for buildings to be more energy-efficient, higher construction and maintenance costs are implied, which are not compensated by lower energy costs. Therefore, under current conditions, economic criteria do not support the improvement of a dwelling’s energy efficiency. Among the possible measures to promote energy efficiency, a price for CO2 emissions is suggested, including the social cost in the analysis. For this purpose, the cost-optimal methodology is used. In different scenarios for the discount rate and energy prices, various prices for CO2 are obtained, depending on climatic zone and energy performance level.
机译：家庭能源消耗会产生二氧化碳。在许多国家，正在制定建筑法规以发布能效绩效等级。在西班牙，有一套规范的程序可以根据建筑物的CO2排放量对建筑物的能源性能进行认证。因此，已经设计了一些软件工具来模拟建筑物并获得其能耗和二氧化碳排放量。在本文中，针对单户住宅中不同的能源性能水平和不同的气候区域，计算了投资，维护和能耗成本。根据结果​​，要使建筑物更加节能，就意味着要增加建设和维护成本，而这并不能通过降低能源成本来弥补。因此，在当前条件下，经济标准无法支持住宅能源效率的提高。在提高能源效率的可能措施中，建议了二氧化碳排放的价格，包括分析中的社会成本。为此，使用了成本最优的方法。在折现率和能源价格的不同情况下，根据气候区和能源绩效水平，可以获得各种二氧化碳价格。

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