Southeast Asia Wire and Cable Market Trends and Insights
ASEAN Power Grid Interconnector Build-Out
The ASEAN Power Grid Financing Initiative was launched in October 2025 by the Asian Development Bank, the World Bank, the ASEAN Secretariat, and the ASEAN Center for Energy. It brought together more than USD 12.5 billion in committed financing, including USD 10 billion from the Asian Development Bank over 10 years and USD 2.5 billion from the World Bank. The ASEAN Interconnection Masterplan Study III identified USD 764 billion in transmission and generation investment needed for a high-renewables grid by 2045. The International Energy Agency identified USD 27 billion in cross-border interconnection spending in its base case between 2025 and 2040. In 2025, ASEAN energy ministers identified subsea cables as a key building block for the regional grid. Individual high-voltage direct current (HVDC) subsea projects can exceed USD 1 billion and provide demand for the Southeast Asia wire and cable market.Data Center and Cloud Infrastructure Expansion
Data center construction increases demand for power and optical cable systems across the Southeast Asia wire and cable market. AI-optimized facilities operate at 10-20 kW per rack, compared with 3-5 kW for legacy computing facilities. This higher power density increases the need for medium- and high-voltage cables within each data hall and at the grid connection. Digital Edge announced a USD 4.5 billion investment for a 500 MW AI-ready campus in Bekasi, Indonesia, in January 2026. AirTrunk announced MYR 12 billion (USD 2.7 billion) for 2 campuses in Johor Bahru. Hyperscale operators also use 10-15-year power purchase agreements, which support phased site development and later cable upgrades.Copper and Aluminum Price Volatility
London Metal Exchange copper reached a record intraday price of USD 14,527.50 per tonne in January 2026. The copper-to-aluminum price ratio reached 4.3, exceeding the 3.5-4.0 range where cable buyers consider material substitution. Copper can account for 70-85% of cable production cost, exposing manufacturers to sharp changes in input costs. High metal prices create uncertainty for distribution network contracts and can delay final investment decisions. They can also lead developers to re-tender projects when quoted cable prices no longer fit project budgets. Reuters reported that Nexans expected global grid investment of EUR 10 trillion (USD 11.3 trillion) by 2030. Long-term grid investment, therefore, remains supportive, even as near-term pricing disruptions disrupt procurement.Other drivers and restraints analyzed in the detailed report include:
- Renewable Energy Integration and Grid Modernization
- Urban Undergrounding and Climate-Resilient Network Construction
- High Capital Requirements for Submarine and Extra-High-Voltage Projects
Segment Analysis
Low-voltage cables, below 1 kV, captured 46.84% of regional revenue in 2025. Residential wiring, commercial construction, and industrial park electrification supported this position in Indonesia, Vietnam, and the Philippines. These applications create recurring volume demand because they are used across buildings and manufacturing sites. Housing completions and industrial-zone construction, therefore, remain important for the segment. Medium-voltage cables, ranging from 1 to 35 kV, are used for distribution grid extensions and solar photovoltaic connections. They also support utility smart-grid programs in Thailand and Malaysia. Demand in these markets is linked to renewable capacity additions and distribution upgrades. Low-voltage products remain central to broad construction activity across the region.Extra- and high-voltage cables, above 35 kV, are projected to expand at a 7.06% CAGR from 2026 to 2031. This is the fastest growth rate within the voltage categories. Indonesia’s 47,758 circuit-kilometer green supergrid program supports demand for these systems. Vietnam’s 400 kV expansion under the National Power Development Plan 8 also requires increased capacity for higher-voltage cables. ASEAN cross-border interconnection projects add another source of demand. Taihan Cable Vina began construction of Vietnam’s first 400 kV-class extra-high-voltage cable plant in March 2026. The plant is expected to reduce reliance on imported supplies for domestic projects. Regional production could also shorten lead times for future project awards.
Power cables accounted for 68.76% of the Southeast Asia wire and cable market size in 2025. They are required across low-voltage building distribution and high-voltage bulk transmission. This broad application base supports their leading revenue position. Every major end-user group in the regional cable supply chain uses Power cables. This makes the category essential to the Southeast Asia wire and cable market. Coaxial and data cables serve commercial connectivity, cable television, and legacy corporate networks. Their growth is more limited where fiber replaces copper-based links in high-bandwidth applications. Signal and control cables support industrial automation, oil and gas facilities, and building management systems. Manufacturing development in Thailand’s Eastern Economic Corridor and Indonesia’s Special Economic Zones supports demand for these products.
Fiber-optic cables are projected to expand at a 7.48% CAGR from 2026 to 2031. Data center interconnects, 5G fronthaul, 5G backhaul, and submarine digital links support expansion across the Southeast Asia wire and cable market. The Nongsa-Changi subsea cable was landed in Batam in July 2026. It spans 50 km and has 24 fiber pairs. It was the first cable system to land at Nongsa Digital Park. The project strengthened Indonesia-Singapore connectivity ahead of the planned ASEAN Digital Economy Framework. Vietnam and the Philippines also recorded higher cable consumption alongside large digital infrastructure programs.
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
- By Country
- Indonesia
- Vietnam
- Thailand
- Malaysia
- Singapore
- Rest of Southeast Asia
List of Companies Covered in this Report:
- Prysmian S.p.A.
- Nexans S.A.
- Sumitomo Electric Industries, Ltd.
- Furukawa Electric Co., Ltd.
- LS Cable & System Ltd.
- Belden Inc.
- Tai Sin Electric Limited
- Bangkok Cable Co., Ltd.
- PT KMI Wire and Cable Tbk
- PT Voksel Electric Tbk
- PT Jembo Cable Company Tbk
- PT Supreme Cable Manufacturing & Commerce Tbk
- PT Sumi Indo Kabel Tbk
- PT Tranka Kabel Indonesia
- Nanyang Cable Group
- TE Connectivity Ltd.
- Corning Incorporated
- CommScope Holding Company, Inc.
- ZTT Group
- Fujikura 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:
- Prysmian S.p.A.
- Nexans S.A.
- Sumitomo Electric Industries, Ltd.
- Furukawa Electric Co., Ltd.
- LS Cable & System Ltd.
- Belden Inc.
- Tai Sin Electric Limited
- Bangkok Cable Co., Ltd.
- PT KMI Wire and Cable Tbk
- PT Voksel Electric Tbk
- PT Jembo Cable Company Tbk
- PT Supreme Cable Manufacturing & Commerce Tbk
- PT Sumi Indo Kabel Tbk
- PT Tranka Kabel Indonesia
- Nanyang Cable Group
- TE Connectivity Ltd.
- Corning Incorporated
- CommScope Holding Company, Inc.
- ZTT Group
- Fujikura Ltd.

