A comparative LCA study on potential of very-large scale PV systems in Gobi desert

Masakazu Ito*, Keiichi Komoto, Kosuke Kurokawa

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Abstract

The Life-Cycle Analysis (LCA) including decommission stage of the VLS-PV system with six types of PV modules was studied in this paper. They were assumed to be installed in Gobi desert in China, where there are abundant sunshine and land area. Output electricity of the system is consumed in city by 100 km transmission line. Concerning the Energy requirement, the CIS was the smallest, and biggest energy requirement was the sc-Si. mc-Si, a-Si/sc-Si hetero junction type, thin-film tandem and CdTe were average. Especially, the energy payback time of the CIS PV module was much shorter than the others. It was approximately 1.8 years. And energy payback time of sc-Si was 2.5 years. The others were approximately 2.0 to 2.3 years. Characteristics of CO2 emissions rate were almost same, but biggest CO2 emissions and CO2 emissions rate was the thin-film hybrid PV module. CO2 emissions rate was 71 g-CO2/kWh. The mc-Si and a-Si/sc-Si hetero junction type shows lower CO2 emissions rate. It is approximately 51-53 g-CO2/kWh.

Original languageEnglish
Title of host publicationConference Record of the IEEE Photovoltaic Specialists Conference
Pages729-732
Number of pages4
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009 - Philadelphia, PA
Duration: 2009 Jun 72009 Jun 12

Other

Other2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
CityPhiladelphia, PA
Period09/6/709/6/12

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering

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