The South Korea Overhead Line Conductors Market was valued at USD 291.2 million in 2024 and is projected to reach USD 384.5 million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 4.8% during the forecast period (2024-2030). This growth is driven by massive grid modernization initiatives, renewable energy expansion projects, and nationwide infrastructure upgrades under South Korea’s Clean Energy Policy directives.
As the country transitions toward smart energy infrastructure with next-generation transmission technologies, demand for advanced overhead conductors is accelerating. This report profiles the Top 10 Companies in South Korea’s Overhead Line Conductors Market – innovation leaders specializing in HTLS conductors, composite core solutions, and sustainable grid technologies.
🔟 1. LS Cable & System
Headquarters: Anyang, Gyeonggi-do
Key Offering: HTLS Conductors, ACCC® conductors, STACIR® thermal-resistant conductors
LS Cable holds dominant 35% market share in South Korea and ranks among the global top 5 cable manufacturers. Their ultra-high capacity conductors feature carbon fiber reinforced cores that deliver 40% higher transmission capacity compared to traditional ACSR conductors.
Recent Developments:
- Selected as exclusive supplier for 500kV Honam-Jeju transmission link
- Pioneered 765kV GIL (Gas Insulated Line) technology for metropolitan areas
- $150 million investment in aluminum conductor production expansion
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9️⃣ 2. Taihan Electric Wire Co. Ltd.
Headquarters: Anyang, Gyeonggi-do
Key Offering: AAAC conductors, ACSS/TW conductors, marine-grade cables
Taihan serves as technical partner to KEPCO, supplying 28% of national transmission projects. Their specialty includes coastal application conductors with proprietary anti-corrosion treatments.
Recent Developments:
- Completed 345kV transmission line for offshore wind farm integration
- Developed new zirconium-alloy conductors for extreme environments
8️⃣ 3. Iljin Electric
Headquarters: Seoul
Key Offering: INVAR-type HTLS conductors, Trapezoidal Wire Conductors
Iljin dominates the premium conductor segment with patented INVAR technology capable of operating at 210°C – the highest temperature rating in Korea’s transmission network.
Recent Developments:
- Awarded $120M contract for Seoul Metropolitan Grid upgrade
- Partnered with KEPCO to develop next-gen superconducting cables
7️⃣ 4. Gaon Cable Co., Ltd.
Headquarters: Anyang, Gyeonggi-do
Key Offering: ACCR conductors, high-strength aluminum alloys
Gaon specializes in lightweight conductors for mountainous terrain applications, featuring 15% weight reduction compared to standard designs.
Recent Developments:
- Increased production capacity by 35% in 2023
- Launched new 800kV conductor for ultra-high voltage installations
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South Korea Overhead Line Conductors Market – View in Detailed Research Report
6️⃣ 5. KEC Corporation
Headquarters: Seoul
Key Offering: AACSR conductors, industrial power transmission cables
KEC focuses on cost-optimized solutions for regional power distribution networks with rapid delivery capabilities nationwide.
Recent Developments:
- Expanded testing facilities to ISO 22007 standards
- Developed new quick-installation conductor systems
5️⃣ 6. Dongil Electric & Communication
Headquarters: Busan
Key Offering: Weather-resistant conductors, high-strength alloys
Dongil provides ruggedized conductors for extreme climate conditions across South Korea’s diverse geography.
Recent Developments:
- Supplied conductors for Gangwon Province winter grid reinforcement
- Developing anti-icing conductor coating technology
4️⃣ 7. Hwacheon Engineering Co., Ltd.
Headquarters: Seoul
Key Offering: Custom conductor configurations, special alloys
Hwacheon engineers solutions for complex urban transmission challenges including compact designs for space-constrained installations.
Recent Developments:
- Partnering with KICT on nano-coating technologies
- Developed low-sag conductor for metro area installation
3️⃣ 8. Daehan Electric Wire Co., Ltd.
Headquarters: Gyeonggi-do
Key Offering: Standard ACSR, AAC conductors
Daehan serves the budget-conscious segment of Korea’s distribution network upgrades with reliable, cost-effective solutions.
Recent Developments:
- Modernized production facilities for efficiency improvements
- Expanded inventory stocking for quick-turnaround projects
2️⃣ 9. Yoonchang Electric Wire Co.
Headquarters: Busan
Key Offering: Industrial facility conductors, marine-grade cables
Yoonchang excels in heavy industrial and port electrification projects requiring specialized conductor solutions.
Recent Developments:
- Supplied conductors for Ulsan Industrial Complex expansion
- Developing fire-resistant conductor solutions
1️⃣ 10. Korea Electric Terminal Co., Ltd.
Headquarters: Daegu
Key Offering: Compact urban transmission solutions
KET specializes in space-efficient conductor designs for dense urban grid applications and underground-to-overhead transitions.
Recent Developments:
- Developing composite-core solutions for city transmission
- Partnering with Japanese technology firms
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South Korea Overhead Line Conductors Market – View in Detailed Research Report
⚡ Market Outlook: Smart Transmission Networks Drive Innovation
South Korea’s overhead conductor market is transforming as the nation implements its Carbon Neutral 2050 Strategy. Key developments include:
📈 Emerging Market Trends:
- HTLS adoption growing at 14% CAGR (2024-2030)
- 154kV-345kV network expansion for renewable integration
- $8.1B allocated for transmission infrastructure through 2027
- Increasing deployment of smart monitoring conductors
🔧 Technology Innovations:
- Graphene-enhanced conductors entering commercial deployment
- Self-diagnosing conductors with integrated IoT sensors
- Advanced composite core materials for extreme environments
Get Full Report Here:
South Korea Overhead Line Conductors Market – View in Detailed Research Report
The companies profiled above aren’t merely conductor manufacturers – they’re enabling South Korea’s energy future through continuous technological advancement in power transmission infrastructure.
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