Randomized field trial shows improved reliability and cost-effectiveness of solar inverters in Rwandan power distribution, indicating need for expansion.
Rwanda is experiencing rapid urbanization, which has led to increased demand for reliable power distribution systems. A randomized field trial was conducted among 100 randomly selected households across three cities in Rwanda. Power quality, reliability, and cost-effectiveness were measured using statistical models. Among the tested equipment, solar-powered inverters showed an adoption rate of 75% due to their higher efficiency and reduced maintenance costs. The randomized field trial validated the effectiveness of solar-powered inverters in improving power distribution reliability and cost-effectiveness. Encourage further deployment of solar-powered inverters in rural and peri-urban areas, alongside improved grid infrastructure. Rwanda, Power Distribution Systems, Randomized Field Trial, Solar-Inverters, Urbanization The maintenance outcome was modelled as Yᵢₜ=β₀+β₁Xᵢₜ+uᵢ+εᵢₜ, with robustness checked using heteroskedasticity-consistent errors.
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Karebonyo et al. (2013) studied this question.
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