The South Korea Aluminum Conductor Steel Reinforced (ACSR) market size was valued at US$ 213.6 million in 2024 and is projected to reach US$ 278.5 million by 2030, at a CAGR of 4.5% during the forecast period 2024-2030.

Overhead power transmission cables with a steel core surrounded by aluminum strands. Growth driven by power grid expansion and modernization projects. Increasing renewable energy integration supports demand for high-capacity transmission lines.

As South Korea advances its smart grid initiatives and expands renewable energy capacity, the spotlight is on the key manufacturers and suppliers who are driving innovation, reliability, and efficiency in power transmission infrastructure. In this blog, we profile the Top 10 Companies in the South Korea Aluminum Conductor Steel Reinforced (ACSR) Market—a mix of domestic cable giants, specialized manufacturers, and technology leaders shaping the future of the nation’s energy networks.

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🔟 1. LS Cable & System

Headquarters: Anyang, South Korea
Key Offering: ACSR Conductors, HTLS Conductors, High-Voltage Overhead Lines

LS Cable & System stands as South Korea’s leading cable manufacturer and a major global player in power transmission solutions. The company supplies ACSR conductors for national grid projects and has expanded its portfolio with advanced high-temperature low-sag conductors to support renewable energy integration.

Innovation Initiatives:

• Development of next-generation HTLS conductors for increased capacity

• Strategic partnerships with KEPCO for grid modernization projects

• Focus on sustainable manufacturing processes and recyclable materials

Download FREE Sample Report: South Korea Aluminum Conductor Steel Reinforced (ACSR) Market – View in Detailed Research Report

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9️⃣ 2. Taihan Electric Wire Co. Ltd.

Headquarters: Seoul, South Korea
Key Offering: ACSR, ACCC, High-Strength Conductors

Taihan Electric Wire has a long history of supplying overhead conductors for South Korea’s transmission networks. The company excels in producing cost-effective ACSR solutions while investing in advanced composite conductors to meet growing demands for higher power capacity.

Innovation Initiatives:

• Expansion of high-capacity overhead line production facilities

• Collaboration on renewable energy transmission projects

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8️⃣ 3. Iljin Electric

Headquarters: Seoul, South Korea
Key Offering: ACSR Conductors, Power Cables, Transmission Solutions

Iljin Electric is a key domestic supplier of ACSR conductors and related power infrastructure products. The company supports both public utility projects and industrial applications across South Korea with reliable overhead transmission solutions.

Innovation Initiatives:

• Continuous improvement in conductor efficiency and durability

• Support for national smart grid development programs

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7️⃣ 4. Hyosung Corporation

Headquarters: Seoul, South Korea
Key Offering: ACSR, Specialty Conductors, Energy Solutions

Hyosung plays a significant role in South Korea’s power sector through its advanced materials and energy divisions. The company provides ACSR conductors tailored for high-voltage applications and is involved in projects enhancing grid resilience.

Innovation Initiatives:

• Investment in advanced conductor technologies for renewable integration

• Development of solutions for extreme weather and high-load conditions

Download FREE Sample Report: South Korea Aluminum Conductor Steel Reinforced (ACSR) Market – View in Detailed Research Report

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6️⃣ 5. Korea Electric Power Corporation (KEPCO)

Headquarters: Naju, South Korea
Key Offering: Grid Infrastructure, ACSR Procurement & Standards

As South Korea’s largest electric utility, KEPCO drives demand for ACSR conductors through its extensive transmission and distribution network upgrades. The company sets technical standards and partners with manufacturers for large-scale deployments.

Innovation Initiatives:

• Leadership in smart grid and digital substation projects

• Support for carbon-neutral energy transition goals

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5️⃣ 6. Gaon Cable Co., Ltd.

Headquarters: South Korea
Key Offering: ACSR, Overhead Conductors, Industrial Cables

Gaon Cable specializes in various cable solutions including ACSR for overhead power lines. The company serves both domestic and select international markets with high-quality transmission products.

Innovation Initiatives:

• Focus on quality enhancement and product customization

• Participation in infrastructure development projects

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4️⃣ 7. Seoul Electric Cable Co. Ltd.

Headquarters: Seoul, South Korea
Key Offering: ACSR Conductors, Power Transmission Cables

Seoul Electric Cable contributes to the local supply chain with reliable ACSR products suited for medium to high voltage applications. The company supports regional grid maintenance and expansion efforts.

Innovation Initiatives:

• Emphasis on durable materials for long service life

• Adaptation to evolving utility specifications

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3️⃣ 8. Changwon Specialty Steel Co., Ltd.

Headquarters: Changwon, South Korea
Key Offering: Steel Core Wires for ACSR, Specialty Alloys

Changwon Specialty Steel provides critical steel core components essential for ACSR conductor manufacturing. Their high-strength materials enhance the mechanical performance of overhead lines.

Innovation Initiatives:

• Advanced metallurgy for improved conductor strength

• Supply chain integration with major cable producers

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2️⃣ 9. Daechang Electric Co. Ltd.

Headquarters: South Korea
Key Offering: ACSR Assemblies, Transmission Hardware

Daechang Electric offers comprehensive solutions including ACSR conductors and associated hardware for complete overhead line systems. The company supports installation and maintenance across various projects.

Innovation Initiatives:

• Integrated system solutions for efficient deployment

• Focus on safety and reliability enhancements

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1️⃣ 10. APC by Schneider Electric (Local Operations)

Headquarters: Global with strong South Korea presence
Key Offering: Power Management, Conductor Integration Solutions

Through its South Korean operations, APC by Schneider Electric collaborates on power infrastructure projects involving ACSR conductors. The company brings international expertise in integrated energy management.

Innovation Initiatives:

• Digital monitoring solutions for transmission assets

• Partnerships for smart grid compatibility

Get Full Report Here: South Korea Aluminum Conductor Steel Reinforced (ACSR) Market – View in Detailed Research Report

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🌍 Outlook: The Future of South Korea ACSR Market Is Stronger and Smarter

The South Korea Aluminum Conductor Steel Reinforced (ACSR) market is experiencing steady expansion. While traditional conductors remain foundational, the industry is investing in advanced materials, higher capacity designs, and integration with renewable energy systems.

📈 Key Trends Shaping the Market:

• Grid modernization and renewable energy integration projects

• Adoption of high-temperature low-sag conductors

• Digitalization and monitoring technologies for transmission lines

• Public-private collaborations for infrastructure resilience

Get Full Report Here: South Korea Aluminum Conductor Steel Reinforced (ACSR) Market – View in Detailed Research Report

The companies listed above are not only powering South Korea’s electricity networks—they’re enabling the energy transition and supporting economic growth through reliable infrastructure.