Nigeria: The NERC Mini-Grid Regulations And The Nigerian Mini_Grid Market: Opportunity For Investment

Last Updated: 18 February 2019
Article by Fatima M Aigbomian


Prior to NERC issuing the regulations, the generation of electricity within the threshold of 1megawatts (MW) and distribution within the threshold of 100 kilowatts (KW) in aggregate at a site was more or less unregulated, with no framework for issuing a permit or registration. But the introduction of the Regulations has brought more form and definition to this promising aspect of electricity generation and distribution.

What is a Mini-Grid?

A mini-grid refers to a stand-alone power system or an integrated local generation and distribution system with installed capacity below 1MW,   capable of serving numerous end‐users independent of the national grid. A mini-grid can provide constant and affordable electricity in remote places where the population density is too low to economically justify connecting that community to the national grid and represents a viable and cost effective solutions for the electrification of Nigerian communities through a decentralized energy system.

A mini-Grid under the Regulations may be 'isolated' with no link to any other network or 'interconnected' with the main grid such that energy exchange is possible between them. The term mini-grid as defined by the Regulations applies only to any isolated or interconnected mini-grid generating between 0KW to 1MW. Generation of electricity beyond 1MW is governed by the provisions of the Electricity Power Sector Reform Act (EPSRA) which makes it mandatory for an operator generating electricity beyond 1MW to obtain the permits required under the EPSRA.

Isolated Mini-Grid

The Regulations provides for two types of mini-grids, namely, the isolated mini-grid and the interconnected mini-grid. The isolated mini-grid is a mini-grid that is not connected to any distribution network and is to be utilized in an unserved area, that is, an area within a Distribution Licensee's Network without an existing distribution system.  The isolated mini-grid is further divided into mini-grid with less than 100KW and a mini-grid with more than 100 KW but less than 1MW. The Regulation further makes a distinction between isolated mini-grids that is less than 100KW and a mini-grid that is more than 100KW but less than 1MW. An operator of a mini-grid that is less than 100KW can opt for either a registration or a permit, however, for economic expediency, a permit is desirable as it confers on the operator a right to compensation where a Distributor Licensee extends its network operations to an isolated mini-grid operated under a permit. In the event that a Distribution Licensee extends its operation to an isolated mini-grid operated under a permit, the Regulation provides the operator with two options:

(i) the mini-grid operator may convert the isolated mini-grid into an interconnected mini- 

     grid; or

(ii) Transfer all assets the isolated mini-grid operator does not want to remove from the mini-

       grid system to the Distribution Licensee in return for compensation.  

These options serve as a buffer or incentive to operators and help minimize any form of loss to operators as it entitles them to compensation or an opportunity to scale up to an interconnected mini-grid should a distribution licensee encroach on the mini-grid operator's site. 

For an isolated mini-grid that is more than 100KW, a permit must be obtained before commencement of operations though to further reduce encumbrance on ease of doing business, a mini-grid operator who has submitted his application for a permit may operate as a registered mini-grid operator pending when he receives a response to his application from the Commission. A registered mini-grid operator is not entitled to compensation and thus, a mini-grid operator under this circumstance would do well to pursue his application until a permit is issued by the Commission.

Interconnected Mini-Grid

The interconnected–mini-grid, as the name implies, is connected to a Distribution Licensee's network and is to be deployed in an underserved area, referring to an area with an existing but poorly supplied or non-functional distribution system. Going by the definition of an underserved area, any area in Nigeria with intermittent power supply might as well qualify for the installation of an interconnected mini-grid.

Where a Mini-Grid Developer desires to operate an interconnected mini-grid, the Regulations require that such Mini-Grid Developer enter into a tripartite contract with the community and Distribution Licensee to construct, operate and/or maintain an interconnected Mini-Grid in an Underserved Area. The Tripartite contract only becomes binding on all parties upon the approval of the NERC.


Renewable energy that is deployed via a mini-grid would be able to tap into the predictable framework of the Regulation, in addition to other renewable energy policy interventions that exist hitherto.

From a policy perspective, there are a number of policies made by the Government relating to renewables and incentives available therein. These policies are encapsulated in the National Electric Power Policy (NEPP), and the National Renewable Energy and Energy Efficiency Policy (NREEEP).

The following are the available incentives under NREEEP;

  1. Free Custom Duties for two (2) years on the importation of equipment and materials used in renewables and energy efficiency projects
  2. Allows for project developers to obtain soft loans and special low-interest loans from the Renewable Electricity Fund for renewable energy supply and energy efficiency projects.
  3. Advocates for the Government to ensure that an appropriate economic instrument is put in place to allow generators of renewables to obtain preferred pricing and rates as they sell.
  4. Tax incentives to manufacturers of renewable energy and energy efficient equipment and their accessories. Incentives include: (i) five-year tax holiday for manufacturers from date of commencement of manufacturing; (ii) five-year tax holiday on dividend incomes from investments on domestic renewable energy source.


Nigeria remains Africa's largest economy and in spite of an economic downturn between 2016 and 2017, the country is recording a steady economic recovery.  According to the World Bank's 2018 Doing Business report, Nigeria has made tremendous strides in improving the economic environment and was for the first time in 2016-2017 ranked among the top ten improvers. In the ease of doing business indicators, Nigeria has improved in the following areas: starting a business, dealing with construction permits, registering property, getting credit, and paying taxes. Democratic governance is strengthened and from 1999 till date Nigeria has recorded peaceful transition of power among three democratically elected executive presidents.

Notwithstanding the improving economic environment, in most Nigerian states, less than 15% of the population have access to the main grid and a lesser percentage actually receive electricity from the grid.  This statistics prove that there is indeed a viable market for mini-grid operations in Nigeria. The viability of min-grid market is further buttressed by the establishment of the  Rural Electrification Fund which was set up to develop on-grid and off-grid electrification in rural areas, including mini grids, through financial support and technical assistance from organisations such as the World Bank and the Rocky Mountain Institute. Viability gaps in the REF off-grid project may be bridged by capital grants and subsidies from the REF, enabling mini-grid developers to lower their tarrifs and increase customer base.

Risk Perceptions and Mitigation

Government's promise to extend the national grid to areas currently unserved or underserved by the national grid may be perceived as a deterrent to investment in the electricity industry, making investors perceive that they may not be able to recoup the expected return on investment once the national grid extends to the community where the investors operate. This risk may be mitigated by the provision of the Regulations which encourages collaboration between the Mini-Grid Developer and a Distribution Licensee, mandating a Mini-grid Developer to obtain the consent of a Distribution Licensee where its proposed operations plans will be within the Distributor Licensee's five year expansion plan. This risk may be further mitigated in the case of interconnected grids where community engagement and endorsement is mandated via a tripartite contract between the community, the Distribution Licensee and the Mini-Grid Developer, thus ensuring that the Mini-Grid Developer can negotiate clear terms of engagement that will work in its favour. A mini-grid Developer's entitlement to compensation and the possibility  of scaling to an interconnected mini-grid where a Distributor Licensee extends its network operations to an isolated mini-grid operated under a permit also serves as a cushioning effect should the national grid extend to the community where the mini-grid investors operate.   


The Regulation was obviously drafted with a strong bias in favour of investors and private sector participation, given the Regulations' simple and straight-forward provisions, a predictable and compensatory regime and a scalability framework.  

Considering Nigeria's constant struggle for stable electricity supply, its teeming population of over 170 million people and a more than ready market on the one hand, coupled now with a predictable legal regime on the other, Nigeria is a very attractive hub for investment in mini-grid operations.  The mini-grid sector in Nigeria is developing fast and a number of companies are showing interest as it promises comparatively attractive returns on investment.  However, it is always always advisable for any investor to arm themselves with adequate competent advice from various professionals.  Seeking expert legal advice is therefore imperative under this dispensation where a regulatory framework now underpins mini-grid operations. 


1. Minigrid Investment Report: Scaling the Nigerian Market, Abdulmumini Yakubu, Ebun Ayandele, James Sherwood, Olu Aruike Olu, Sachiko Graber; 2018, The Nigerian Economic Summit Group; The Nigerian Renewable Energy Roundtable. file:///F:/RMI_Nigeria_Minigrid_Investment_Report_2018.pdf

2. Market for the Integration of smaller Wind Turbines in Mini-Grids in Tanzania, Ivan Nygaard, UNEP DTU Partnership Anette Andersen, UNEP DTU Partnership Thomas Hebo Larsen, UNEP DTU Partnership Tom Cronin, DTU Wind Neil Davis, DTU Wind. October 2018, Vestas Wind Systems A/S, the Technical University of Denmark, the Kenya Climate Innovation Center and the Rural Electrification Authority

3. Nigerian Mini-Grid Investment Brief, December 2017, Rural Electrification Agency. 

Source: file:///F:/Nigeria%20Mini%20grid%20Investment%20Brief.pdf

4. Mini-Grids in Nigeria: A Case Study of a Promising Market, November 2017, the World Bank Group. Source: file:///F:/Nigeria%20Mini%20Grids%20by%20World%20Bank.pdf

5. Accelerating Mini-Grid Development in Sub-Saharan Africa: Lessons from Tazania, Lily Odarno, Estomih Sawe, Mary Swai, Maneno J.J. Katyega And Allison Lee. Copyright 2017, World Resources Institute,


7. Policies and Regulations for Private Sector Renewable Energy Mini-grids,; International Renewable Energy Agency, Copyright © IRENA 2016. Source: /

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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