Overview

The Distribution Code for the Nigeria Electricity Distribution System (Version 01) is a comprehensive regulatory document issued by the Nigerian Electricity Regulatory Commission (NERC). It establishes the technical and procedural framework for the planning, connection, operation, and maintenance of the electricity distribution network in Nigeria. The Code is divided into three main parts: Part 1 (General Conditions), Part 2 (Distribution, Planning and Connection Code - DPCC), and Part 3 (Distribution Operating Code - DOC). Part 1 outlines the background, purpose, scope, interpretation, review processes, and conditions for effectiveness. It defines the roles of Distribution Companies (Discos), sets rules for derogations, data confidentiality, code amendments, and dispute resolution. Part 2 details planning procedures (load forecasting, system studies), connection procedures (application processing, connection agreements, commissioning), and technical requirements at connection points (voltage levels, frequency, harmonics, protection, grounding, power factor). It includes Annex 3.1 on planning data. Part 3 covers operational planning (demand forecasting, maintenance), system operation (outage planning, contingency, load shedding, metering, SCADA, safety coordination, incident reporting), reliability analysis, system tests, safety coordination (safety precautions, emergency situations), and numbering/nomenclature of apparatus at ownership boundaries. The Code aims to ensure a secure, reliable, and efficient distribution system, with compliance mandatory for all users connected to the distribution network.

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