Quantitative benchmarks for cost-effective provision of rural energy access are difficult to obtain because deployment costs vary across technologies, contexts, and technical assistance approaches – but crucially also across sustainability assumptions. As an alternative, this discussion paper provides a qualitative costeffectiveness assessment of different energy access strategies. That is, we discuss the different cost factors, and we additionally account for differences in impact potentials across rural energy access options. We include on-grid and off-grid electrification and improved cooking technologies. The focus is on rural sub-Saharan Africa, where energy access rates are low. We diagnose largely disappointing impacts of high-power electrification technologies, turning stand-alone solar into the more cost-effective electrification strategy in that setting. We conclude by emphasizing the high impact-cost ratio for energy-efficient biomass cookstoves
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