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Title: Comparative Study of Techno-Economics of Lithium-Ion and Lead-Acid Batteries in Micro-Grids in Sub-Saharan Africa

Technical Report ·
DOI:https://doi.org/10.2172/1526204· OSTI ID:1526204

Microgrids stand to play an important role in expanding electricity access in Sub-Saharan Africa. Batteries, which are often a core element of micro-grids, represent a substantial portion of the capital cost and are therefore an important component of developing sustainable business models for micro-grid deployment. As a result, understanding key considerations for selecting a battery type and operating it effectively are foundational for taking micro-grid growth to scale across the sub-continent. While batteries have been deployed in many systems worldwide over the past few decades, unanswered questions remain on how best to apply them to the context of off-grid micro-grids in Sub-Saharan Africa. Building on analytical work with developers in Sub-Saharan Africa and tools at NREL, this report investigates battery techno-economics and optimal operation in micro-grids, including evaluating criteria to decide between deploying lead acid or lithium-ion batteries, discussing key design considerations for the enclosures that house the batteries, and how to effectively condition the enclosure.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
United States Agency for International Development (USAID)
DOE Contract Number:
AC36-08GO28308
OSTI ID:
1526204
Report Number(s):
NREL/TP-7A40-73238
Country of Publication:
United States
Language:
English