Nigeria links national grid to West African power network
Built WorldFour-hour synchronization on November 8 connects Nigeria to a unified electricity market spanning 14 countries.
November 10th, 2025: Minister announces the milestoneNew here? Follow stories to track developments over time. Create a free account to get updates when stories you care about change.
Overview
Updated May 24At 5:04 a.m. on November 8, 2025, electricity began flowing across the Nigeria–Niger border at the same frequency as the rest of West Africa's grid. It held that way for four hours. The last time engineers tried this, in 2007, the link collapsed after seven minutes.
The test connects Nigeria, Africa's largest economy and biggest power producer, to a unified electricity market reaching from Senegal to Benin. Nigerian generators can now sell stranded capacity to neighbors. The region's 400 million people now have a larger market for power trading.
Why it matters
A regional grid lets surplus power move where it's needed, cutting outages in countries that import it and giving Nigerian generators paying customers for electricity that otherwise goes unused.
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People Involved
Organizations Involved
WAPP is the ECOWAS agency that links national power utilities into a single regional electricity market.
NISO is Nigeria's independent grid operator, separated from the Transmission Company of Nigeria to run real-time electricity dispatch.
ECOWAS is the 15-state political and economic bloc whose treaties authorize WAPP.
Timeline
December 1999 November 2025
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Minister announces the milestone
Latest StatementPower Minister Adebayo Adelabu confirms the synchronization and calls it one of WAPP's most significant milestones.
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Nigeria grid synchronizes with WAPP
TechnicalNigeria, Niger, and parts of Benin and Togo run at a stable shared frequency with the rest of the West African pool for four hours, from 05:04 to 09:04 local time.
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Abdu Mohammed appointed NISO CEO
LeadershipPresident Tinubu names Mohammed as the first managing director of the newly independent system operator.
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WAPP synchronizes 12 grids
TechnicalTwelve West African countries' grids are permanently locked at a single frequency. Nigeria, Niger, Benin, and Togo remain the outliers.
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Nigerian Electricity Act signed
LegalPresident Tinubu signs legislation that decentralizes the power sector and creates the framework for NISO as an independent grid operator.
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North Core 330 kV interconnector launched
InfrastructureConstruction begins on the $600M transmission line linking Nigeria, Niger, Benin/Togo, and Burkina Faso. Funded by the World Bank, African Development Bank, EU, and Nigeria.
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First Nigeria synchronization attempt fails
TechnicalA test connecting Nigeria's grid to the regional network collapses after seven minutes from instability and poor coordination.
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WAPP articles of agreement adopted
InstitutionalECOWAS heads of state in Niamey approve the legal framework that lets WAPP operate as a specialized agency from Cotonou.
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ECOWAS creates the West African Power Pool
InstitutionalThe 22nd ECOWAS summit establishes WAPP to integrate national electricity grids across the region.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
Southern African Power Pool launch (1995)
Twelve member states of the Southern African Development Community signed an Inter-Governmental Memorandum of Understanding creating the Southern African Power Pool. South Africa's Eskom anchored the network, much as Nigeria now anchors WAPP.
By 2000, the pool was trading electricity through bilateral contracts across borders.
A competitive day-ahead market launched in 2009. The pool became the model African regional energy planners cite as proof that cross-border trade can work.
WAPP has spent two decades trying to match what SAPP built. The Nigeria synchronization is the technical step that lets it begin operating like SAPP rather than like a network of bilateral arrangements.
Nigeria's 2007 synchronization failure
Nigeria attempted its first physical synchronization with the embryonic WAPP network. Frequency drift and weak coordination between control centers collapsed the link within seven minutes.
Engineers shut down the interconnection. Both grids reverted to isolated operation.
WAPP shelved further Nigeria-area tests for sixteen years while it built out the North Core transmission line and modernized control systems in member states.
The 2007 failure is why this month's four-hour test matters. It is the first evidence in nearly two decades that the engineering problems that defeated WAPP's biggest member can be solved.
European grid synchronizes with Turkey (2010)
After years of trial runs, Turkey's grid was synchronized with the Continental European network operated by ENTSO-E. The Turkish system had been isolated since the 1960s and ran on its own frequency control.
Test trading began immediately. Turkey gained access to a market of 400 million Europeans.
Turkey now exports billions of kilowatt-hours into Europe each year. The integration survived political tensions including the 2016 attempted coup and disputes over Cyprus.
The Turkey-Europe link shows that frequency synchronization across a politically heterogeneous region can survive shocks once the engineering works. WAPP faces a similar test as it spans countries inside and outside ECOWAS.
