Randomized trial assesses cost-effectiveness and user satisfaction of solar inverters in Ugandan villages, suggesting policy shifts for electrification.
Efficient power distribution systems are crucial for economic development in Uganda, where rural electrification remains a challenge. A randomized controlled trial was conducted with a sample size of 120 villages across Uganda. The study used a mixed-method approach combining quantitative data from electricity usage measurements and qualitative feedback surveys to assess system performance and user satisfaction. The analysis revealed that the use of solar-powered inverters significantly reduced operational costs by an average of 35% compared to conventional diesel generators, demonstrating cost-effectiveness in both financial and environmental terms. User acceptance was high with a 70% satisfaction rate. This study provides empirical evidence on the most cost-effective power-distribution equipment configurations for rural Ugandan settings. Policy makers should consider subsidizing the installation of solar-powered inverters to accelerate rural electrification and support sustainable energy access. The maintenance outcome was modelled as Yᵢₜ=β₀+β₁Xᵢₜ+uᵢ+εᵢₜ, with robustness checked using heteroskedasticity-consistent errors.
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James Mukasa Kagaba (2011) studied this question.
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