Off-grid community energy systems are increasingly adopted in rural Tanzania to address electricity access challenges. A quasi-experimental design was employed to compare pre- and post-intervention costs and benefits among participating communities. The analysis revealed significant reductions in average energy costs by 15 per household month (p < 0. 05), with notable improvements in access reliability. The quasi-experimental design provided robust evidence of cost-effectiveness for off-grid community energy systems, offering a viable solution to rural electrification challenges. Further studies should focus on scaling up and replicating these findings across Tanzania's diverse regions. Off-grid communities, Energy access, Cost-effectiveness, Quasi-experimental design, Rural electrification Model estimation used =argmin_ᵢ (yᵢ, f_ (xᵢ) ) +₂², with performance evaluated using out-of-sample error.
Bwire et al. (Thu,) studied this question.