article · Environmental Research Infrastructure and Sustainability
Decentralised solar mini-grids deliver substantial social and economic gains to rural communities in Kenya and Nigeria. An evaluation of 2,658 household heads and business owners surveyed prior to connection and one year later revealed significant enhancements across productivity, economic activity, gender equality, health, and safety. Economic productivity rose markedly, with median incomes quadrupling among rural Kenyan participants. Women gained expanded opportunities in enterprise and household decision-making. In addition, replacing hazardous energy sources such as kerosene lamps led to distinct health and safety improvements. These findings demonstrate that introducing solar mini-grids transforms local energy landscapes while generating broad developmental benefits, providing critical evidence for stakeholders, development agencies, and policymakers seeking to advance decentralised renewable energy across rural Africa.
Rural electrification is essential for reducing poverty and improving quality of life. This research confirms that solar mini-grids deliver direct, measurable improvements in income, enterprise productivity, and gender equality. By replacing harmful fuels like kerosene, these decentralised energy networks also safeguard community health, offering policymakers and development funders clear evidence to support clean energy expansion.
The work evaluates applied and operational energy infrastructure, assessing existing mini-grid installations deployed over the past five years. The findings provide real-world performance evidence for mini-grid operators, renewable energy developers, and impact investors seeking to validate business models and customer value propositions in rural African markets. The data supports commercial decision-making on project viability, customer income trajectories, and potential returns on decentralised solar investments.
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Abstract This study presents the first comprehensive analysis of the social and economic effects of solar mini-grids in rural African settings, specifically in Kenya and Nigeria. A group of 2658 household heads and business owners connected to mini-grids over the last five years were interviewed both before and one year after their connection. These interviews focused on changes in gender equality, productivity, health, safety, and economic activity. The results show notable improvements in all areas. Economic activities and productivity increased significantly among the connected households and businesses. The median income of rural Kenyan community members quadrupled. Gender equality also improved, with women gaining more opportunities in decision making and business. Health and safety enhancements were linked to reduced use of hazardous energy sources like kerosene lamps. The introduction of solar mini-grids not only transformed the energy landscape but also led to broad socioeconomic benefits in these rural areas. The research highlights the substantial impact of decentralized renewable energy on the social and economic development of rural African communities. Its findings are crucial for policymakers, development agencies, and stakeholders focused on promoting sustainable energy and development in Africa.
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DOI: 10.1088/2634-4505/ad4ffb
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