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Economic Viability and Socio-Environmental Impacts of Solar Home Systems for Off-Grid Rural Electrification in Bangladesh

  • Swati Anindita Sarker
  • , Shouyang Wang
  • , KM Mehedi Adnan
  • , Muhammad Khalid Anser
  • , Zeraibi Ayoub
  • , Thu Hau Ho
  • , Riffat Ara Zannat Tama
  • , Anna Trunina
  • , Md Mahmudul Hoque
  • Huazhong Agricultural University
  • University of Chinese Academy of Sciences
  • EXIM Bank Agricultural University
  • Sylhet Agricultural University
  • Xi'an University of Architecture and Technology
  • Xi’an Jiaotong University
  • Institute of Development Studies

Research output: Contribution to journalArticlepeer-review

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Abstract

This study conducted a questionnaire-led survey to explore the financial feasibility and socio-environmental impacts of stand-alone solar home systems (SHS) through stratified random sampling. Based on the above consideration, fifteen cases of studies of various watt peak (Wp) capacities have been investigated to evaluate the economic viability of solar home systems. The results revealed that most of the cases have positive net present value (NPV) and low payback periods, with an internal rate of return (IRR) value ranging from 16% to 131%, which signifies a high rate of investment exchange. Solar home systems are economically profitable for micro-enterprises and households with low-income generation activities as opposed to the households using it only for lighting. The study found that solar home systems with a capacity above 30 Wp are the most economically viable option, which can also avoid 6.15 to 7.34 tonnes of CO2 emissions during the 20 years of life-cycle, while providing different applications including lighting, recreation, information, health, and economic benefits.

Original languageEnglish
Article number679
Number of pages15
JournalEnergies
Volume13
Issue number3
DOIs
Publication statusPublished - 5 Feb 2020
Externally publishedYes

Bibliographical note

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Funder

This research was supported by the “CAS-TWAS President’s Fellowship” and The National Nature Science Foundation of China under Grant numbers 71390330 and 71390331.

Funding

FundersFunder number
National Natural Science Foundation of China71390330, 71390331

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 7 - Affordable and Clean Energy
      SDG 7 Affordable and Clean Energy

    Keywords

    • solar home system
    • economic viability
    • financial analysis
    • environment
    • Bangladesh

    ASJC Scopus subject areas

    • Control and Optimization
    • Energy (miscellaneous)
    • Energy Engineering and Power Technology
    • Electrical and Electronic Engineering
    • Fuel Technology
    • Renewable Energy, Sustainability and the Environment

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