Introduction
People often call Nigeria’s electricity transmission system the backbone of the power sector. It carries energy efficiently across the country. Yet Nigeria recorded over 10 power grid collapses in 2024 alone, which shows that the Nigerian Electricity Supply Industry (NESI) faces a critical crisis.
These repeated failures resemble a failing central nervous system. Consequently, structural and regulatory reform has become urgent.
This article examines the main challenges facing transmission infrastructure, the legal framework that governs it, and practical solutions for stability and sustainable growth.
What drives power grid collapse in Nigeria
The problems range from decaying infrastructure to regulatory weakness. Key issues include:
- Ageing infrastructure and limited investment. Many transmission lines and substations are outdated, so the system fails often. The Transmission Company of Nigeria (TCN) says the grid needs over $4.2 billion to rehabilitate and expand it.
- Regulatory bottlenecks. The Nigerian Electricity Regulatory Commission (NERC) oversees the sector. However, inconsistent policy and enforcement have created uncertainty and discouraged private investment.
- Vandalism and security threats. Between January and August 2024, attackers destroyed over 63 transmission towers, causing widespread blackouts and economic losses.
- Little private participation. Unlike other emerging economies, Nigeria’s transmission network remains largely state-controlled, which limits efficiency and innovation.
- A mismatch with generation. Installed generation capacity exceeds 12,000MW. However, transmission bottlenecks stop the grid evacuating more than 5,500MW, which strands capacity.
Legal and Regulatory Considerations
The Electricity Act 2023 provides a framework to restructure the sector. It covers public-private partnerships (PPPs), independent system operators and private investment in transmission. For these reforms to work, however, Nigeria needs:
- clear policy implementation to build investor confidence;
- enforcement of existing laws to deter vandalism and non-compliance; and
- stronger NERC oversight across the transmission value chain.
Ending the cycle of power grid collapse
We recommend five strategic steps:
- Attract private investment. The Federal Government should create an investment-friendly environment using concessions, independent power transmission projects and privatisation options.
- Modernise infrastructure. Upgrading lines and substations, particularly through Build-Own-Operate-Transfer (BOOT) models, can reduce failures.
- Strengthen the legal framework. Cost-reflective tariffs, enforced anti-vandalism laws and transparent policy will improve market efficiency.
- Decentralise the grid. Regional transmission networks could improve distribution and limit the impact of any collapse.
- Learn from abroad. Brazil, India and the Philippines show the benefits of private participation in transmission.
Conclusion
A reliable transmission network is critical to economic growth, industrialisation and social development. Fixing it will take regulatory reform, private sector engagement and modern infrastructure together. With the right legal and policy framework, Nigeria can build a resilient transmission system that secures energy for businesses and households.
Our Power 2025 Wrap-Up and 2026 Outlook and our work on the NGN4 trillion power sector issuance programme cover related developments in the sector.
Download the full presentation using the button below.
