A closure of the world’s most strategic oil chokepoint would punish fuel importing economies across Sub-Saharan Africa but it could also force the continent to finance energy security through renewables, not rhetoric.

Any prolonged disruption of the Strait of Hormuz would send an immediate shock through Africa’s economies. The waterway carried about 20 million barrels of oil a day in 2024, roughly one-fifth of global petroleum liquids consumption making it one of the world’s most critical energy chokepoints, this matters enormously for Sub-Saharan Africa. However, most countries in the region still depend heavily on imported petroleum products. If the Strait of Hormuz continues to be blocked or badly disrupted, the consequences would be swift, higher pump prices, costlier transport, more expensive food, weaker currencies and greater fiscal strain. Those pressures are hitting green energy finance at precisely the wrong time.

The pain would not be shared equally, net fuel importers such as Kenya, Ghana, Senegal and South Africa would face the harshest blow through bigger import bills, rising inflation and tighter debt conditions. Fragile economies would face an even harsher test as energy poverty deepens. Oil exporters such as Nigeria and Angola may enjoy short-term revenue gains but they are also not insulated, refined fuel scarcity, inflation and policy distortions can quickly erode the benefit of higher crude prices. In the short run, governments under pressure typically do what is politically easiest, not what is economically expedient, they expand subsidies, defend exchange rates and postpone long-term investments. That is exactly how renewable projects get delayed.

Interestingly, the crisis can also sharpen economic logic. Africa has some of the world’s strongest solar resources but it still attracts only about 2% of global clean energy investment, even though the continent accounts for roughly 20% of the world’s population. That imbalance is no longer defensible. If oil stays expensive, diesel generation becomes less competitive, while solar, storage, mini-grids and geothermal become more attractive as tools of energy security. This is not merely an environmental argument, it is a strategic one. Countries that continue to import volatility will keep exporting jobs, foreign exchange and resilience.

What should African policymakers do now? First, treat this threat as a financing stress test. The continent needs more local currency green bonds, more blended finance and more credit guarantees to lower the cost of capital. Secondly, accelerate investment in mini-grids, solar irrigation, battery storage and regional power systems that reduce dependence on imported fuel. Thirdly, use major strategic assets wisely. Nigeria’s Dangote refinery, designed for 650,000 barrels per day and now testing above that level, could improve regional supply resilience but refining alone is not a long-term energy strategy. The real hedge against geopolitical oil shocks is diversification towards energy transition.

The central lesson is simple, Africa cannot build its future on imported fuel insecurity. Though the ongoing Strait of Hormuz shock is unprecedented, it would also expose a deeper truth that energy transition is no longer only about climate ambition, it is about economic survival. If African leaders respond with courage, policy clarity and smarter finance decisions, this crisis could become the moment the continent stops treating renewables as a side conversation and starts treating them as core infrastructure.

Dr. Charles Ebinumolise Ojieh (Ph.D. in Strategic Management) is a seasoned banker in Nigeria and a Chartered Economist. He is a University of Oxford Alumnus with Senior Executive Leadership learning from Saïd Business School and a Green Energy Finance Expert with GET. Invest EDGE Finance.