500kV-750kV UHV Case

January 13, 2026

500 kV Maoming Bohe Power Plant Unit 3 and Unit 4 Project Access System Project(2024)
(Guangdong 500 kV State Power Investment Qianzhan Power Plant Access System Project (2024)
500kV Hong Kong Island Line A and B Line Maintenance (2024)
500 kV Huaxia Yangxi Power Plant Phase II Unit 7 and Unit 8 Project Access System Project (2024)
500 kV Guoneng Qingyuan Power Plant Phase II Project Access System Project (2024)
(Guangdong 500 kV Huaxia Yangxi Power Plant Phase II Unit 7 and Unit 8 Project Access System Project (2024)
500kV Shashi Line A and B Lianhua Mountain Crossing and Shiziyang Crossing Reconstruction Project (2024)
500 kV East Guangdong Central South Corridor Reconstruction Project (2024)
(500 kV Guoneng Qingyuan Power Plant Phase II Project Access System Project (2024)
500 kV Maoming Bohe Power Plant Unit 3 and Unit 4 Project Access System Project (Bohe Power Plant ~ West Guangdong (Ehuang) Switching Station (2024)
Third and Fourth Circuit 500kV Line Project)(2024)
Maozhan 500kV Grid Improvement Project (Wushiwan Power Plant-Gaozhou Switching Station 500kV
Line Works (2024)
500kV Lufeng Jiahuwan Power Plant Unit 3 and Unit 4 Expansion Project Access System Project (Huizhou Section)-(Maohubei Switching Station-Huizhou 500kV Line Project)(202312)
Baofeng No.2 (Baotou Houshan Wind Power Collection Phase II) 500kV Power Transmission and Transformation Project (202312)
500kV Lufengjiahuwan Power Plant Unit 3 and Unit 4 Expansion ProjectAccess System Engineering (202310)
February 2022, Aorui 500kV power transmission and transformation project fixed asset investment project material procurement emergency ten batches (202202)
Erdos Buwu Switching Station 500kV Power Transmission and Transformation Project (Erdos Power Supply Company)(2022)
Yuexi (Yuehuang) Switching Station-Cangjiang 500kV Line Project (2022)
Naimao (Sichuan Palm) 500kV Power Transmission and Transformation Project (2021)
-supporting 500 kV grid connection of 4 million kW new energy project in Ordos coal mining subsidence area (2020)
500kV Mingzhu Southwest Interconnection Transmission Channel Reconstruction Project(2020)
500kV Lingshen A- B Line Anti-deviation Reconstruction Project (2019)
Tuoketuo Industrial Park Station 500kV Power Transmission and Transformation Project, Chayou Houqi 500kV Power Transmission and Transformation Project (2019)
State Grid Taizhou 500kV Tangbai 5859 Line and Tangshu 5860 Line 22 * 35-23 * 3 Three Spans (2019)
500kV Horqin-Naiman Line Project (2018)
500kV Zhuangqiao (Majinpu) Substation Project (2018)
500 kV Peng Shen B Line Single-to-Double Project (2018)
500kV Lingkun A Line and Other Three-Circuit Line Wind-Proof Reconstruction Project (2018)
500kV Shajingjia-B Line 11-way Line Wind Prevention and Deviation Correction Transformation (2018)
Yangxi Power Plant Phase II Units 5 and 6 (2*1240MW) are temporarily connected to 500KV West Return Project (2018)
500kv Shajing Line 11 (2017)
Lancang River Cascade Hydropower Station and 500kv Power Transmission Project to Siyang Converter Station Line Project (2017)
500kV Songhou-Dehe Transmission (2017)
500KV Yongxin Thermal Power Plant Songmei Xinyuyan Transmission Line (2017)
500kv Song Mei Tan Uyen T/L(2016)
Shahu 750 kV Transmission Project (2014)
750 kV Hami-Turpan-Urumqi North Transmission Line Project (2010)
750 Guangtong-Donglanzhou Double Circuit T/L Project Bidding Section I (Suspension Series)(2010)
750 kV Baiying-Huahe Double Circuit T/L Project (2009)
Engineering Construction Company 750 kV Urumqi-Turpan-Hami UHV Transmission Line Project (2009)
750 kV Lanzhou East-Pingdingshan-Qiangxian T/L Project (2007)

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