
Transmission Africa's Battery Storage Opportunity - Energy Storage Africa
Mar 31, 2026
Michael Cupit, a developer of battery energy storage projects in Malawi and Kenya, explains why Africa is a huge, misunderstood battery market. He outlines real-world risks, how contracted 15–20 year capacity deals differ from merchant markets, and why grids can be built renewables-first. He also covers financing with DFIs and guarantees, China’s changing role, and the challenge of building local O&M capability.
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Huge Untapped Renewable Resource
- Africa has enormous untapped renewables with only ~8% of hydropower developed and virtually no large-scale solar or wind.
- Rapid demand growth and industrialisation create immediate need for renewables plus storage rather than a future hypothetical market.
Grid Topology Favors Distributed Renewables
- Many African grids were not built around fossil baseload; they are spindly and increasingly built around generation nodes, favoring renewables plus distributed storage.
- South Africa is the main exception with a coal-centred network causing different constraint-driven battery use cases.
Batteries Staged Along A Congested Transmission Line
- South Africa deployed 100MW/4h batteries at five substations along a congested 1,000km line to shift solar daytime output to evening demand.
- The design specifically relieves a bottleneck feeding Johannesburg from the Northern Cape.
