Hidden inside Nigeria’s electricity statistics is one of the largest private infrastructure expenditures in Africa, and almost none of it appears in any official capacity figure. It is the money the country’s businesses and households spend every year running their own generators because the grid cannot supply them. Estimates of that spending run to around fourteen billion dollars a year, a vast sum poured into the most expensive and most polluting form of power available.
This is the diesel economy. It is not a single market but millions of individual decisions: the factory with banks of generators, the bank branch with its backup set, the hospital that cannot risk an outage, the small shop with a petrol generator on the pavement. Each is a rational response to an unreliable grid, and together they add up to a national subsidy that the private sector pays to keep itself running.
A cost that is also an opportunity
Spending on this scale is a measure of how much value reliable power would create if it were delivered properly. Every naira spent on diesel is a naira that a cheaper and cleaner source could capture. A business currently paying diesel prices for its electricity will switch readily to gas, solar or a hybrid system that delivers the same reliability at a lower cost, because the saving falls straight to its bottom line. The size of the diesel economy is, in effect, the size of the prize.
Capturing it requires building the alternative next to the demand. Centralised grid power has had decades to displace the generators and has not done so. What is now displacing diesel, business by business, is distributed generation: embedded plants, captive solar and storage, and gas delivered where pipelines do not reach. The fourteen-billion-dollar figure is not just a cost to lament but a market to win.
Why this matters
Built to displace the generator
Nova’s operating model targets the diesel economy directly. Sapio Utilities replaces costly self-generation with embedded and captive supply built from solar, storage and gas, giving commercial and industrial customers reliability at a lower cost than the generators they retire. In a market defined by what businesses overpay to avoid darkness, the opportunity is the cost itself.