Power availability and reliability of solar pico-grids in rural areas: A case study from northern India

Sini Numminen*, Peter D. Lund, Semee Yoon, Johannes Urpelainen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Abstract

Solar micro-grids are receiving increasing interest in the electrification in emerging economies. On-site performance studies of these systems have become more important as the global market is being supplied with an ever-greater variety of solar power equipment with inconsistent quality. We studied the reliability of seven small identical low-power DC solar grids installed in real settings in villages in rural northern India. A detailed analysis of measurement data, interviews and field visits over a whole year showed that solar electricity was available to the households for 87% of the time. Along with technical problems, a share of the power shortages was an indirect cause of an illegal behaviour of users. The study draws attention to quality recommendations for energy access for consumers with modest energy needs.

Original languageEnglish
Pages (from-to)147-154
Number of pages8
JournalSustainable Energy Technologies and Assessments
Volume29
DOIs
Publication statusPublished - 1 Oct 2018
MoE publication typeA1 Journal article-refereed

Keywords

  • Frugal innovation
  • India
  • Pico-grids
  • Power availability
  • Reliability
  • Solar micro-grids

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