TITLE

Renovation of NZCB in a poor solar irradiation zone: An investigative case study of residential buildings in Chongqing urban areas

AUTHOR(S)
Hossain, Md Sahadat; Baizhan Li
PUB. DATE
January 2016
SOURCE
International Journal of Energy & Environment;2016, Vol. 7 Issue 1, p49
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The energy requirements of Chongqing, a major economic hub of Southwest China, have increased annually with at an average of 10.49% per annum since 1997. The predominant primary source of energy is coal. China's long range goal is for a green economy and solar energy is considered a prime renewable energy source. This investigation assessed the feasibility of solar energy utilization in existing residential buildings in Chongqing Urban Areas. The main objectives of the research were to see "available solar renewable energy resource for utilization" and "how much CO2 emission could be abated by using solar energy from these residential buildings". On the basis of average 3.47 kWhm-2d-1 and per capita 20.46m² residential areas in 2012, the feasibility study found the availability of 1250 kWhm-2d-1 irradiation. In addition, 15% yielding from this availability had the potential of 2.88 MWh annual clean energy generations abating 89.6% of CO2 emissions from current electricity consumption. The investigative case study in three residential buildings of the Shapingba district of Chongqing found the 0.089, 0.086 and 0.126 tce of CO2 emissions for per capita 187.89 kWh, 182.23 kWh and 265.37 kWh monthly energy demand. Although the long cash pay back periods (46, 43 and 31 years) don't suggest immediate strong PV utilization in this area this form of renewable energy in Chongqing could form a distinctive substitute as a flanking measure for zero carbon residential buildings.
ACCESSION #
112030892

 

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