Hussaini Umar

Why 58% of Nigeria’s Stalled Dam Projects are Keeping the Lights Off

LAGOS, NIGERIA — While Nigeria struggles with persistent grid instability and nationwide blackouts, new data reveals a significant bottleneck in the nation’s energy mix. Despite being the country’s second-largest power source, the hydropower sector is currently hindered by a massive execution gap, with 58 percent of publicly funded dam projects meant for generation remaining stalled or completely abandoned.

Hydropower currently accounts for 30.1 percent of Nigeria’s total electricity supply. However, the inability to complete these “frozen” projects is preventing the country from diversifying away from its heavy reliance on thermal (gas) generation, which currently dominates nearly 70 percent of the grid.

The Data: A Crisis of Abandonment

Research from civic monitoring platforms like Tracka highlights a troubling pattern of financial disbursement without physical completion:

The 58% Gap: More than half of all dam projects aimed at boosting the national grid are in various states of abandonment.
The Investment Leak: Hundreds of millions of Naira have already been disbursed to contractors for these projects, yet the “megawatts on the grid” remain at zero for the affected sites.
The Energy Mix: With hydro stuck at 30.1%, any disruption in gas supply—such as pipeline vandalism or maintenance issues—immediately triggers nationwide blackouts because there is no “hydro-cushion” to absorb the load.

The Infrastructure Bottleneck

The stalling of these projects is not just a financial issue; it is a structural one. Most of these dams were designed to serve a dual purpose: Irrigation for agriculture and Small-scale Hydropower (SHP) for rural electrification.

The abandonment of 58% of these projects means:

Lower Grid Resilience: The national grid lacks the “spinning reserve” that hydropower typically provides to stabilize frequency.
Economic Stagnation: Small businesses in the catchment areas of these dams remain without the “captive power” promised during the project launch phases.
Agriculture Impact: Since many of these are multi-purpose dams, the failure to complete the hydro component often stalls the irrigation infrastructure as well.

The Path to Recovery

To bridge this gap, energy analysts suggest a shift toward the Command Centre model recently approved for gas, focusing on:

Audit of Disbursed Funds: A rigorous tracking of the millions already paid out to contractors.
Public-Private Partnerships (PPP): Allowing private investors to take over abandoned dams to complete the hydro-generation components.
Decentralized Grids: Prioritizing small-scale hydro to power local communities, reducing the pressure on the fragile national grid.

Hydro-Power Monitor (February 2026)

Metric	Status	Impact
National Grid Share	30.1%	Second largest source
Project Failure Rate	58%	Stalled or Abandoned
Disbursement Status	Millions Paid	Unverified Performance
Primary Alternative	Thermal (Gas)	70% Dependency