Techno-economic feasibility analysis of solar photovoltaic power generation for buildings

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Abstract

The Building Added PV (BAPV) plays an important role for developing green buildings. This work conducts a techno-economic feasibility study of BAPV for commercial and residential building hybrid energy systems (HES). A component sizing model based on the optimal power dispatch simulations with the objective of minimum cost of energy (COE) is used to determine the component sizes of HES. The techno-economic performances of two HES composed of BAPV and batteries for residential and commercial buildings are investigated. The results show that the use of BAPV in the commercial building HES can reduce the electricity bill for customers owing to the government subsidies on PV as well as due to the similar characteristics of the load profile as to the solar radiation profile. However, due to temporal dislocation between the load and solar radiation patterns, the use of PV in the residential building HES may significantly increase the initial capital cost and replacement cost of battery, resulting in the COE of the residential building HES with BAPV even higher than the residential electricity price. The techno-economic performances of battery (e.g., the lifetime and capital cost) have more effect on the COE of the residential building HES than that of PV.

Original languageEnglish
Pages (from-to)1362-1371
Number of pages10
JournalApplied Thermal Engineering
Volume108
DOIs
StatePublished - 5 Sep 2016

Keywords

  • Building added photovoltaics
  • Component sizing
  • Hybrid energy systems
  • Techno-economic assessment

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