Carbon dioxide emission reduction potential for low income housing units based on photovoltaic systems in distinct climatic regions

Vanessa Montoro Taborianski and Sergio Almeida Pacca

Renewable Energy, 2022, vol. 198, issue C, 1440-1447

Abstract: Growing concern on climate change has supported technologies that reduce carbon dioxide emissions. The emission factor of the Brazilian grid electricity is low due to hydropower dominance. However, new hydropower plants have migrated to the Amazon region, with likely social and environmental consequences and rainfall shortage has demanded costly fossil fueled power plants. The grid's emission factor is increasing and new renewable energy alternatives such photovoltaic (PV) are one option to diversify the electricity mix. However, PV systems' efficiency in Brazil varies depending on the climatic region of its installation. This work evaluated the variance in CO2 emissions reduction of grid connected PV systems for low-income housing in different Brazilian climatic regions. The analysis was based on the PV system, installed in low-income housing projects. Electricity generation was determined through RETScreen and CO2 emission reductions were determined considering the emission factor of the national grid electricity. Variation of CO2 emission reductions among bioclimatic regions reached up to 12%. Therefore, PV systems should be adopted in all low-income housing projects in Brazil, regardless of their region, to reduce household's expenditures, CO2 emissions, and democratize the technology.

Keywords: Energy policy; Carbon dioxide emissions; PV systems; Low-income housing; Climate change mitigation (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:198:y:2022:i:c:p:1440-1447

DOI: 10.1016/j.renene.2022.08.091

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