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The Prime Minister has approved the policy for investment in construction of the 500 kV lines Quang Tri – Doc Soi and Doc Soi – Pleiku 2 with a goal to strengthen transission capability of the 500 kV grid of the national power system, contribute to guarantee electricity supply for the souththern power system in period when this system could not be self-sufficient and optimize electricity generation - transmission in operating power national system.

The Power Engineering Consulting Joint Stock Company 1 (PECC1) informed that, on July 31, 2021, Electricity of Vietnam (EVN) approved the project of 500 kV Lao Cai transformer substation and 220 kV connecting transmission lines, with a total investment of more than 1,564 billion VND.

After a period of construction efforts, at 4:30 on June 29, 2020, in Ninh Phuoc 220 kV transformer substation (TS), the Power Project Management Board of the Central Region in cooperation with relevant units organized powering and putting into operation Ninh Phuoc 220 kV transformer substation and connecting power lines.

The Prime Minister has agreed to allow adjusting and supplementing several 500 kV power grid projects.

On September 26, 2021, in Khanh Hoa province, the National Power Transmission Corporation (EVNNPT) under the Electricity of Vietnam (EVN) organized starting to construct Van Phong 500 kV transformer substation and connects.

At 6:55 am on September 2, 2020, at 500 kV Chon Thanh Transformer Substation, the Central Power Project Management Board (CPMB) in cooperation with other organizations powered and put 500 kV Chon Thanh transformer substation project into operation.

At 12:15 minutes on March 7, 2021, the Central Power  Management Board (CPMB) in coordination with relevant units powered the expansion elements of Doc Soi 500 kV transformer substation – belonged to the third 500 kV circuit of Doc Soi – Pleiku 2 project.

Power Transmission Company No.3 (PTC3) in coordination with related units has put into operation the shunt reactor of 500 kV - 128 MVAr - KH591 at the Vung Ang 500kV transformer substation (TS).

At the morning of November 20, 2016, in Gia Thanh commune, Phu Ninh district, Phu Tho province, the Northern Electricity Management Board under EVN National Power Transmission Corporation (EVNNPT) held a ceremony for ground breaking the bidding package No 5 for developing the first stage of project “Viet Tri 500 kV Transformer Substation (450 + 900 MVA) and it’s Feeders”.

In Ta Bhing commune, Nam Giang district, Quang Nam province, The Electricity of Vietnam (EVN) has just started up the construction of the Monsoon - Thanh My 500 kV line project (the section on Vietnamese territory).

The Electricity of Vietnam (EVN) is planning to have all equipment on transmission lines and 80 percent of 110 kV circuit facilities digitalised from now to 2022.

At 3:36 p.m. on July 27, 2021, the Central Power Projects Management Board (CPMB) in coordination with relevant units powering the 500 kV line connecting Nghi Son 2 BOT Thermal Power Plant (TPP) with the National Power System (NPS). The project invested by the National Power Transmission Corporation (EVNNPT), and managed by CPMB on behalf of EVNNPT was started for construction on April 09, 2018.

On December 18th, Electricity of Vietnam (EVN) and National Power Transmission Corporation (NPT) organized the groundbreaking ceremony for the 500 kV projects including: constructing around 742 km of double circuit transmission line: Vung Ang - Thermal Power Plant - Doc Soi - Pleiku2; 8 feeders in distribution yard of Quang Trach Power Center; extending a number of feeders in 500kV Vung Ang, Doc Soi and Pleiku2 transformer substations; constructing three optical loop substations and three managing and operating houses for power transmission teams. 

On November 3, 2021, the Government Office issued announcement No 296/TB-VPCP on the conclusion of Prime Minister Pham Minh Chinh at the meeting of the Government Permanent Council on land rent collection from the power transmission lines.

The National Power Transmission Corporation (EVN NPT) has just powered the 500 kV-900 MW Transformer AT2 in Son La 500 kV Transformer Substation under the project “Raising capacity of Son La 500 kV Transformer Substation”. The National Power Transmission Corporation (EVN NPT) has just powered the 500 kV-900 MW Transformer AT2 in Son La 500 kV Transformer Substation under the project “Raising capacity of Son La 500 kV Transformer Substation”