Two of Africa’s largest off-grid solar companies have completed significant financing transactions that are drawing attention from institutional investors traditionally outside the sector. D.light issued a $50 million green bond in June, while Sun King completed $286 million in securitized debt during mid-2025. These deals have sparked discussions about whether private capital markets could become a major funding source for bringing electricity to millions of African households without reliable power access.
Both companies operate using a pay-as-you-go model, allowing customers to purchase solar home systems and appliances through small installment payments made via mobile applications rather than requiring full upfront costs. The companies bundle these future customer payments as collateral for bonds and securities sold to investors, providing immediate capital. Sun King’s chief financial officer called these transactions “pathbreaking” for demonstrating the entry of commercial capital at significant scale.
However, substantial barriers remain for broader adoption of these financing structures. Investors typically require five to seven years of repayment data before considering similar arrangements, a threshold many smaller companies cannot meet. Additionally, securitization involves expensive legal, regulatory, and credit guarantee expenses that make it economically unfeasible for firms below a certain size. Industry participants identify portfolio quality risk as a primary concern, with many off-grid companies struggling to present performance data in formats institutional investors understand.
Improvement in underlying technologies and industry standards has supported investor confidence. Lithium-ion battery prices have declined over 90% since 2010 and now last up to a decade, while independent product certification and repair networks have reduced perceived risks. According to GOGLA’s 2025 Investment Data Report, Africa’s off-grid sector attracted record local-currency investment comprising 47.2% of funding, with 18 new investors participating including commercial banks across multiple African nations.
Analysts emphasize that current transactions rely on significant credit enhancements and remain relatively de-risked compared to typical commercial financing. Industry leaders view these deals as important indicators that the market is maturing, though wider adoption will require more investment-ready companies, standardized financing structures, and supportive regulatory frameworks. Questions persist about whether capital market returns might push companies toward more creditworthy customers rather than the poorest households most lacking electricity access.
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