Tongyeong Natural Gas Power Plant 154kV T/L [Tongyeong Eco Power] Pyeongtaek P3, P4 Wastewater treatment plant [Samsung Electronics] TransmissionㆍSubstationsㆍUnderground lines Transmission Substations Underground Renewables · Environment · Civil Engineering Renewable Energy Environmental Facilities Civil Engineering Military Sports TransmissionㆍSubstationsㆍUnderground lines Renewables · Environment · Civil Engineering Project 검색 TransmissionㆍSubstationsㆍUnderground lines Renewables · Environment · Civil Engineering VIEW MORE SK Hynix INFRA M16 (Icheon) Underground Track Construction Construction Period : 2019.04~2024.03 Owner (Ordering Organization) : SK Hynix Completion 1 2