1Scope Delivered
| Component | Specification |
|---|---|
| Solar PV array | 35 MWp, with all electrical and civil works — cabling, mounting structures, combiner boxes and water cleaning network |
| Inverters | Solar inverters |
| Battery energy storage | 20 MW / 20 MWh BESS |
| Medium-voltage connection | 2 km of 33 kV underground line |
| High-voltage connection | HV 330 kV busbar |
| Substation works | Substation, switchgears, transformers and complete connection to 330 kV |
| Control | Control and low-voltage network |
| Supervisory system | SCADA, complete control and monitoring |
| Operations | Operation and maintenance for 15 years |
2Undergrounding the Medium-Voltage Connection
The 33 kV link between the plant and the injection substation was installed as 2 km of underground cable rather than overhead line. Underground installation costs more and takes longer, but removes the connection from exposure to weather, vegetation, vehicle strike, vandalism and conductor theft — the failure modes that most often interrupt overhead links in Nigeria. For a plant whose commercial purpose is supplying an industrial zone that requires uninterrupted power, the connection is the single point at which the entire output can be lost, and hardening it is a design decision aligned to that purpose.
3Execution Record
| Milestone | Date |
|---|---|
| Proposals submitted | 8 March 2021 |
| Contract awarded | 10 May 2021 |
| Entered commercial use | 28 January 2022 |
| Certificate issued | 22 July 2022 |
| Operation and maintenance term | 15 years from commissioning |
The Agency’s certificate records that the farm is monitored and controlled remotely through Advanced Metering Infrastructure and a SCADA system, with live monitoring accessible continuously via security cameras; that execution followed the schedule submitted at the outset; and that the system is fully operational.
4Political Context and Significance
This section describes the policy environment surrounding the project. It is written to be factual rather than partisan.
Economic zones stand or fall on power
Kaduna State has pursued industrial and investment-zone development as a central plank of its economic strategy, and the Green Economic Zone at Maraban Jos sits within that programme. The binding constraint on such zones across Nigeria is not land, tax incentives or regulatory streamlining — it is electricity. A manufacturer evaluating a Nigerian site prices in self-generation as a standing operating cost, and zones unable to guarantee supply struggle to attract the tenants that justify their designation. Dedicated generation at the zone’s injection substation addresses the constraint at the point where investment decisions are actually made.
Federal capital deployed into a state-designated zone
The contracting party was a federal agency; the beneficiary is a zone designated under state economic policy. That arrangement is a concrete instance of federal–state alignment in a policy area where the two tiers have often worked at cross purposes, and it is the kind of coordination Nigerian industrial policy has historically found difficult to sustain.
Commissioned on the eve of electricity devolution
The plant entered commercial use in January 2022. Fourteen months later, on 17 March 2023, the Fifth Alteration to the Constitution moved the national grid system to the Concurrent Legislative List, granting states legislative authority over electricity within their borders; the Electricity Act 2023 followed on 10 June 2023, establishing the framework for state electricity markets and state regulatory commissions. Kaduna therefore entered the devolved regime with generation already physically present at an industrial node inside the state. Sub-national electricity markets are constructed on assets that exist on the ground, and a state that holds them is positioned differently from one that must first build them.
Climate commitments and the demonstration question
Nigeria committed to net-zero emissions by 2060, announced at COP26 in November 2021 — within months of this plant’s commissioning — and has since pursued an energy transition strategy dependent on attracting concessional and climate-linked finance. Access to that finance turns substantially on demonstrated delivery: whether renewable generation at scale can be built and operated in-country, or whether it remains at the announcement stage. Utility-scale solar paired with storage speaks directly to that question.
Regional development and the northern access gap
Electricity access in Nigeria is markedly lower in the north than the south, and the regional distribution of federal infrastructure investment is a long-running subject of public debate. Major federally-funded generation in Kaduna is read within that context regardless of the intention behind it.
The regulatory settlement remains contested
A proposed Electricity Act (Amendment) Bill before the National Assembly has drawn objection from state electricity regulators, who characterise it as an attempt to recover powers already devolved, while legislators argue it prevents fragmentation of the national market. Investors should understand that the federal–state regulatory boundary in Nigerian electricity is unsettled, and that this bears on how generation assets built under federal contracts are regulated, dispatched and remunerated in future.
5Nigerian Programme Context
This project is one of three contracts executed by International Consolidated Contractors Offshore SAL Ltd for the Rural Electrification Agency under the Nigeria Electrification Project:
| Project | Contract Reference | Value (US$) |
|---|---|---|
| Kabba 30 MWp hybrid solar farm, Kogi | REA-NEP/C/GO/RFP/47/25E — Commissioned | 41,144,857.96 |
| Maraban Jos 35 MWp hybrid solar farm, Kaduna | REA-NEP/C/GO/RFP/98/15B — October 2021 | 46,219,403.17 |
| Solar home and distributed PV systems | REA-NEP/SHSDSS/2023/01 — January 2022 | 5,839,115.00 |
| Total | Handed over March 2026 | 93,203,376.13 |
Note: the source table’s columns were misaligned; dates above were assigned by column position — please verify the milestone dates (Maraban Jos, solar home systems and the March 2026 handover) against the original certificates before publication.
These sit alongside four medium- and low-voltage distribution contracts executed for the same Agency in Anambra, Cross River, Borno and Kogi States, together valued at ₦72,963,068,418.88. Supporting documentation — the Notification of Award dated 10 May 2021 and the Rural Electrification Agency certificate dated 22 July 2022, both under contract reference REA-NEP/C/GO/RFP/98/15B — is available on request.
Project Enquiries
International Consolidated Contractors Offshore SAL Ltd · 04 Oguda Close, Maitama, Abuja, Nigeria
Email: info@i-cc.co · Website: www.i-cc.co · Tel: +961 21 614100
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