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Cost-effectiveness of CO2 emissions reduction through energy efficiency in Brazilian building sector

机译：巴西建筑行业通过提高能源效率来减少二氧化碳排放的成本效益

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This paper calculates the cost-effectiveness of CO2 emissions reduction in Brazilian buildings sector. The evaluation takes into account the implementation of three public policy mechanisms which the focus is the promotion of energy efficiency (EE). The mechanisms evaluated are minimum energy performance standards (MEPS), EE requirements in public procurement regulation, and building codes. The evaluation performed through marginal abatement cost curves (MACC) shows a wide range of cost-effective EE measures, i.e., EE technologies that represent negative abatement costs once the additional investments in EE are paid back through energy savings. The main specific findings are that (1) MEPS could be broader and reach the use of energy in standby mode and tubular fluorescent lamps and should be more stringent, mainly in the case of large air conditioning devices, and (2) there is a significant cost-effective potential of emissions reduction that could be captured through mechanisms not implemented yet in the country, as public procurement regulation and building codes. In general, the total impacts are very significant and could represent an energy saving potential of 795 TWh and emissions reduction of 74 million tons of CO2 over the period from the year 2014 to the year 2030.
机译：本文计算了巴西建筑部门减少二氧化碳排放的成本效益。该评估考虑了三个公共政策机制的实施，其重点是促进能源效率（EE）。评估的机制包括最低能效标准（MEPS），公共采购法规中的EE要求以及建筑法规。通过边际减排成本曲线（MACC）进行的评估显示了一系列具有成本效益的EE措施，即通过节能节省了EE的额外投资后，代表负减排成本的EE技术。主要的具体发现是：（1）MEPS可能更广泛，并且可以在待机模式和管状荧光灯中达到能量的使用，并且应该更加严格（主要是在大型空调设备的情况下），以及（2）可以通过该国尚未实施的机制（如公共采购法规和建筑法规）来把握减排的经济效益。总的来说，总体影响非常显着，可以代表2014年至2030年期间的795 TWh的节能潜力和7400万吨的二氧化碳减排量。

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