LS Cable & System Begins 'Donghae-Seoul Metropolitan Area' HVDC Project Construction: "World's Largest Capacity Cable"

Korea's Largest 'Donghae-Shingapyeong' Project
Up to 50% Higher Transmission Capacity with High-Spec Cables
HVDC Market Expected to Reach 41 Trillion Won by 2030

LS Cable & System has begun construction on the 'Donghae-Shingapyeong' power transmission network project for Korea Electric Power Corporation, utilizing the world's first commercialized 500kV 90℃ (high-temperature) ultra-high-voltage direct current (HVDC) cable. This marks both the largest-scale project in Korea and the highest-capacity installation worldwide.

The Donghae-Shingapyeong section is the first phase of the 'Donghae-Seoul Metropolitan Area' project, which transmits power generated in Donghae to the capital region. It is considered a key infrastructure project to strengthen national power supply stability.

According to LS Cable & System on November 24, the cables used in this project are high-specification products that can increase transmission capacity by up to 50% by raising the conductor's allowable temperature compared to existing 70℃ products. The company's technological capabilities were officially recognized when it passed Korea Electric Power Corporation's pre-qualification review (PQ) in June.

LS Cable & System is the only company in Korea with experience in both submarine and underground HVDC projects. The company has executed all domestic HVDC cable projects, including Jeju-Jindo, Jeju-Wando, and Bukdangjin-Godeok, and will be the sole supplier for the entire section of this project as well.

Kim Hyungwon, Head of Energy/Construction Business Division at LS Cable & System, stated, "Experience in commercializing HVDC projects is essential for ensuring power grid stability," adding, "We will actively expand our participation in major domestic and international projects such as the West Coast HVDC Energy Expressway, the second phase of the Donghae-Seoul Metropolitan Area project, and the European TenneT project."

HVDC is considered a core technology for the global energy transition, as it offers lower transmission losses and is advantageous for long-distance, high-capacity transmission compared to alternating current (HVAC). The related market is expected to grow from 1.8 trillion won in 2018 to approximately 41 trillion won by 2030.

At the groundbreaking ceremony held in Gapyeong County, Gyeonggi Province, about 40 key stakeholders attended, including Division Head Kim, Kim Hogi, Head of HVDC Construction Division at Korea Electric Power Corporation, and Kim Dongkyu, Head of New Transmission Construction Office.

This content was produced with the assistance of AI translation services.