By Sophie Lindqvist

A proposed African Atlantic Gas Pipeline would need $25 billion to $27 billion in financing before it links a single producing field to a single consuming market. That figure, from a recent S&P Global Energy outlook, frames both the ambition and the arithmetic problem facing West Africa's energy-security agenda.

The core claim is simple: gas, a key fuel for electricity generation across the continent, could accelerate African energy security if producing and consuming markets along the Atlantic coast were physically connected. S&P Global argues that improved gas supply efficiency would expand market access, strengthen energy security and support deeper integration of West African gas markets.

Every promise in that sentence carries a caveat. Beyond the financing, the report conditions the pipeline's realization on long-term gas purchase agreements and coordinated Nigerian supply — while cautioning that none of this should divert attention from the more immediate task of serving existing domestic and regional demand centers. A corridor project, in other words, cannot substitute for the grid customers already waiting.

What does the pipeline change for power-hungry industries?

The most consequential demand story in the outlook is data centers. Across Africa, the report says, data center expansion rests on demand growth potential and untapped renewable resources — but the decisive question is whether power systems can deliver reliable, bankable electricity without weakening supply for existing grid users.

For West Africa, that ties digital infrastructure directly to the broader power-sector investment challenge. Large digital loads, S&P Global notes, will require bankable supply arrangements (contracts creditworthy enough to attract financing), not merely available resources. A data center without a financeable power contract is a server hall waiting for a grid.

Why does Nigeria embody both sides of the bet?

The report identifies Nigeria as the clearest example of the opportunity and the constraint. The country is emerging as West Africa's most significant — though still nascent — data center hub, supported by data localization requirements and Pioneer Status Incentives, a tax-relief regime that improves the investment case for domestic digital infrastructure.

Yet the same report narrows the path. Grid instability, transmission losses and reliance on diesel-backed self-generation continue to limit scalable, bankable supply. Data center expansion in Nigeria may therefore depend more on private hybrid power solutions than on fully integrated utility supply — which exposes the limits of existing grid infrastructure unless supply arrangements and regulation evolve together.

The stakes are structural. If data centers are fed through bankable grid or dedicated power arrangements, they could become anchor loads for wider infrastructure investment. If they run mainly on diesel backup or isolated private systems, their broader system benefits stay limited. What does this change for investors? The difference between a load that strengthens a power market and one that merely sits beside it.

How big is the generation gap?

S&P Global estimates West Africa needs about 35 GW of additional generation capacity by 2035 to keep pace with peak-demand growth. The report is explicit that the regional power outlook will depend more on execution than demand potential — demand fundamentals, it says, are already strong.

The strongest prospects lie where commercial structures, gas delivery and grid capacity advance together:

• Ghana and Côte d'Ivoire appear relatively well positioned, with domestic gas development, thermal generation and regional trade already closely connected.
• Senegal is building a potentially stronger gas-to-power platform.
• Nigeria offers the largest opportunity by scale, given its demand base, gas resources and infrastructure — but faces the region's most significant execution constraints.

There is some practical progress. The West African Gas Pipeline (the existing link running from Nigeria toward Ghana) is operating more flexibly, and domestic gas infrastructure investment continues. The gains, the report notes, are uneven.

The verdict, then, is conditional. A $27 billion corridor, 35 GW of new capacity and a data center boom all share one variable: whether bankable supply — not resource potential — gets built. S&P Global has quantified the ambition. Execution remains the part no model can guarantee.