Nigeria’s ambition to expand electricity access faces a difficult financing dilemma: making the power sector commercially viable enough to attract private capital while ensuring that reforms do not push electricity beyond the reach of poor households.
   
The World Energy Council (WEC), in its 2026 World Energy Trilemma Report, identified Nigeria’s electricity market as a case where the tension between cost-reflective tariffs, private investment and affordability could determine whether efforts to expand access succeed.

The Council said below-cost electricity tariffs were weakening the utilities low-income consumers depend on, arguing that cost-reflective tariff reform, when properly sequenced with private participation, could instead enable wider electricity access.
   
Coming at a time when consumers have faced announcements and denials
over possible electricity tariff increases from next year, the WEC identified institutional capacity to sequence pricing reforms and protect consumers as a binding constraint to improved access.

The issue is particularly significant for Nigeria, where years of underinvestment, liquidity problems across the electricity value chain, inadequate infrastructure and weak revenue collection have constrained the ability of utilities to provide reliable power.
   
The WEC’s analysis suggests that simply increasing tariffs is not sufficient. The critical question is how reforms are designed and sequenced so that private investors receive credible long-term signals while vulnerable consumers are protected from abrupt increases in electricity costs.
   
This places Nigeria at the centre of a broader African challenge identified by the Council. Across Africa, the report highlights the tension between the ambition to connect hundreds of millions of people to electricity and many prospective customers’ inability to finance their own connections.
   
Under Mission 300, the continent is targeting electricity access for 300 million people by 2030. But the WEC warns that many of those who need to be connected cannot afford the cost of connection.
   
That means the expansion will require subsidies funded by existing electricity customers, taxpayers or international donors. The report, therefore, describes Mission 300 as making fiscal reform a precondition for finance.
   
For Nigeria, the implication goes beyond the question of how many megawatts can be generated. It raises the more fundamental question of who pays for expanding the electricity system to people who currently have little ability to pay.
   
The Council’s assessment reflects the wider difficulty confronting African power markets, where the consumers with the greatest need for electricity access are often the least able to absorb the full cost of infrastructure and supply.
   
Yet keeping tariffs artificially low also carries a cost. The WEC said below-cost tariffs could weaken the financial position of utilities and ultimately undermine the very services poor consumers depend on. Without financially viable utilities, investment in networks, maintenance, reliability and new connections becomes increasingly difficult.
   
This creates a policy paradox: tariffs that are too low could discourage investment and weaken electricity supply, while rapid tariff increases without adequate protection could make electricity less affordable for households already struggling with rising living costs.
 
The report consequently places the emphasis on sequencing, rather than tariffs alone. The WEC argues more broadly that long investment cycles require signals that extend beyond current pricing arrangements. Private capital, it says, does not flow without long-term regulatory certainty, making political and regulatory volatility a sustainability risk.
   
For Nigeria, this has implications across generation, transmission, distribution and electricity-access infrastructure. By implication, private investors must be able to see a credible pathway to recovering their investments, while that pathway must also accommodate consumers who cannot immediately pay the full economic cost of electricity. The challenge, therefore, is to build a market in which private capital can participate without making access dependent entirely on household purchasing power.
   
The WEC defines the competing objectives as energy security, energy equity and environmental sustainability. Its central argument in the 2026 report is that energy leaders can no longer treat these objectives as problems that can be solved separately.
   
For Nigeria, improving electricity supply without considering affordability risks worsening energy inequity. Keeping electricity cheap without addressing the financial health of utilities risks undermining energy security. And expanding supply without considering the changing global energy system creates another set of long-term challenges.
   
The Nigerian case forms part of what the Council describes as a broader shift in the global energy transition. After two decades in which falling clean-technology costs and rapid deployment drove much of the transition, the WEC says the easier gains have largely been captured.

The next challenge is integration — building grids, storage, flexibility, markets and institutions capable of connecting new energy supply to consumers. Africa faces an especially difficult version of this problem. The report estimates that about 600 million people on the continent remain without electricity, while electricity demand is rising as economies pursue industrialisation and development.

The WEC says African countries are also constrained by weak transmission, integration and delivery capacity, with the fastest development pathway increasingly constrained by international finance.