Harnessing solar mini-grid surplus with green finance and vertical economic integration for low-carbon hydrogen and electric mobility

An extensive disintegration exists in transferring renewable energy resources between China and developing sub-Saharan countries. This led to the problem of scarcity of electricity mobility and low-carbon hydrogen integration, enhancing solar mini-grid supply surplus. In addition, such disintegration is hindered by vertical economic integration between China and sub-Saharan countries. Keeping that in view, the purpose of the study is to evaluate the solar mini-grid surplus supply with green finance and vertical economic integration for renewable electricity mobility and low-carbon hydrogen in China and developing African countries. The empirical data is gathered from 1990 to 2024, and multiple advanced empirical assessment techniques, including split analysis, cross-sectional dependence test, cointegration analysis, Phillips-Ouliaris test, GARCH-based analysis technique, and sensitivity analysis. The findings illustrate that solar mini-grids in China create a substantial surplus that is monetised by using green-financed instruments, creating a new source of revenue that can be used to electrify rural areas with vertical integration of renewable electric power in the supply chain, with the electricity-mobility infrastructure and low-carbon hydrogen generation. Mini-grid models of this nature, backed by global green-bond markets, have been designed to be scalable, thus improving the local access to energy, as well as providing the region with hydrogen hubs.