South Africa Wire and Cable Market Trends and Insights
Transmission and Renewable-Energy Grid Expansion
South Africa's transmission buildout is expected to remain the strongest structural driver for the South Africa wire and cable market through 2031. The National Transmission Company of South Africa's Transmission Development Plan set out ZAR 440 billion (USD 24.4 billion) of investment over 10 years for 14,500 km of powerlines and 133,000 MVA of transformer capacity by 2034, and the plan also identified ZAR 112.5 billion (USD 6.25 billion) for the first 5 years of implementation, giving suppliers greater visibility on the initial procurement period. The program directs procurement toward 400 kV corridors, aluminum-conductor steel-reinforced lines, and cross-linked polyethylene insulated feeder cables. The National Treasury reported that phase 1 of the Independent Transmission Program covers 1,164 km across 7 corridors and had 7 prequalified international-led consortia. The scale requires the delivery of an average of 1,450 km of new lines each year, compared with a historical pace of 800 km, underscoring the need for capable supply chains. These projects require suppliers to meet exact technical standards and provide predictable project pipelines, and the transmission program also supports a shift toward extra- and high-voltage products, which are projected to grow faster than the overall South Africa wire and cable market.Rural Electrification and Municipal Network Upgrades
Rural electrification and municipal rehabilitation support steady demand for low-voltage and medium-voltage cable systems. The Department of Electricity and Energy allocated ZAR 13 billion (USD 722 million) to the Integrated National Electrification Program for its 2030 universal-access target. The program addresses 1.6 million households without electricity, many in rural areas and informal settlements, where overhead conductors and service-connection cables remain necessary. Municipal networks also require refurbishment after delayed maintenance, particularly in 11 kV and 22 kV distribution systems, where distribution upgrades increase the need for compliant replacement cables, rather than only new connections, while Distribution Agency Agreements can direct ring-fenced revenue to distressed municipalities. SANS 1507 and compulsory specification VC 8075 provide a quality baseline for low-voltage fixed installations. This demand is spread across provinces and offers a more regular order pattern than large transmission projects.Copper, Aluminum and Polymer Price Volatility
Raw-material volatility remains the most immediate restraint on cable manufacturers and purchasers. Copper, aluminum, and polymer inputs influence quoted prices for power cables, building wire, and insulated products. Copper traded in a USD 13,000-14,000 per metric ton range in the first half of 2026, while aluminum reached USD 3,787.50 per metric ton in June 2026. Because key metal inputs are traded in USD, exchange-rate fluctuations can further increase local procurement costs. Price uncertainty can shorten quotation validity, make long project contracts more difficult to price, and encourage substitution between copper and aluminum where specifications permit. The effect is especially relevant for the South African wire and cable market, as copper products accounted for 53.74% of the material segment's revenue in 2025.Other drivers and restraints analyzed in the detailed report include:
- Data Center, 5G and Fiber-Broadband Buildout
- Mining, Industrial and Logistics Electrification
- Cable Theft and Replacement-Cycle Disruption
Segment Analysis
Low-voltage products held 45.82% of segment revenue in 2025, reflecting their use in residential, commercial, and municipal distribution networks. The installed base of low-voltage service connections supports both extension work and replacement purchases. Medium-voltage cables serve distribution substations and industrial feeders across urban networks. Extra- and high-voltage cables are projected to grow at a 4.58% CAGR through 2031, supported by new transmission corridors and renewable-energy connections.The South Africa wire and cable market size for higher-voltage systems is supported by 400 kV transmission development and substation feeder requirements. The Transmission Development Plan favors applications that need specialized conductors and cross-linked polyethylene insulation. Higher-voltage work also has stricter technical and qualification requirements than routine low-voltage supply. These requirements may favor manufacturers that can produce compliant products and support project delivery. Digital infrastructure adds demand across voltage tiers, from internal low-voltage cable trays to medium-voltage feeder connections. Substation projects also require earthing, control, and communication cables, in addition to the main transmission conductor. The product mix, therefore, varies between inter-regional line construction and urban connection works.
Power cables accounted for 69.36% of segment revenue in 2025, as they are used across utilities, industrial sites, commercial buildings, and renewable projects. Utility and renewable construction requires medium-voltage and high-voltage connections between generation assets, substations, and the grid. Signal and control cables support protection relays, process instrumentation, and supervisory control and data acquisition systems. Coaxial and data cables serve broadcast, telemetry, and industrial automation applications.
Fiber-optic cable is projected to grow at a 4.91% CAGR through 2031, supported by broadband and network expansion. The South Africa wire and cable market is also affected by the government's SA Connect Phase 2 program, which targets new fiber links for public facilities and underserved communities. Grid operators need fiber for communications and protection systems as well as telecom networks. Compliance with recognized optical-fiber specifications remains important for procurement quality. Fiber growth, therefore, adds a distinct communication-focused demand stream alongside power cable volume. Local fiber producers can benefit when network operators seek dependable lead times and recognized technical compliance. The category also depends on deployment schedules for access networks, mobile backhaul, and data-center connectivity.
Complete Report Scope:
- By Voltage
- Extra- and High-Voltage (Greater Than 35 kV)
- Medium-Voltage (1-35 kV)
- Low-Voltage (Less Than 1 kV)
- By Cable Type
- Power Cable
- Fiber-Optic Cable
- Signal and Control Cable
- Coaxial and Data Cable
- By Conductor Material
- Copper
- Aluminum
- Optical Glass/Polymer
- By Installation
- Overhead
- Underground
- Submarine
- By End-User Vertical
- Residential Construction
- Commercial Construction
- Power Infrastructure (Utilities and Renewables)
- Telecommunications and Data Centers
- Oil and Gas and Petrochemicals
- Automotive and Mobility
- Industrial Manufacturing
- By Insulation
- Insulated
- Non-Insulated
List of Companies Covered in this Report:
- Aberdare Cables (Pty) Ltd
- CBi-electric: African Cables (Pty) Ltd
- Malesela Taihan Electric Cable (Pty) Ltd
- South Ocean Electric Wire Company (Pty) Ltd
- Alvern Cables (Pty) Ltd
- Nexans Trade (Pty) Ltd
- Prysmian S.p.A.
- Helukabel South Africa (Pty) Ltd
- Unity Cables (Pty) Ltd
- Flexicor Cables (Pty) Ltd
- Tulisa Cables (Pty) Ltd
- AM Hengtong Africa Telecoms (Pty) Ltd
- Yangtze Optics Africa Cable (Pty) Ltd
- KGX Kabletek (Pty) Ltd
- JFC Cables (Pty) Ltd
- ZTT South Africa (Pty) Ltd
Additional Benefits:
- The market estimate (ME) sheet in Excel format
- 3 months of analyst support
Table of Contents
Companies Mentioned (Partial List)
A selection of companies mentioned in this report includes, but is not limited to:
- Aberdare Cables (Pty) Ltd
- CBi-electric: African Cables (Pty) Ltd
- Malesela Taihan Electric Cable (Pty) Ltd
- South Ocean Electric Wire Company (Pty) Ltd
- Alvern Cables (Pty) Ltd
- Nexans Trade (Pty) Ltd
- Prysmian S.p.A.
- Helukabel South Africa (Pty) Ltd
- Unity Cables (Pty) Ltd
- Flexicor Cables (Pty) Ltd
- Tulisa Cables (Pty) Ltd
- AM Hengtong Africa Telecoms (Pty) Ltd
- Yangtze Optics Africa Cable (Pty) Ltd
- KGX Kabletek (Pty) Ltd
- JFC Cables (Pty) Ltd
- ZTT South Africa (Pty) Ltd

