No
|
Project name
|
Number of transformers x MVA
|
Number of transformers x MVA Number of transformers x MVA Capacity - MVA
|
Notes
|
|
Subsubstations built over the period from 2021 to 2025
|
|
Northern area
|
Northern areaNorthern areaNorthern area17400
|
|
1
|
An Duong (Tay Ho)
|
1
|
x
|
250
|
250
|
Install transformer 3
|
2
|
Soc Son 2
|
2
|
x
|
250
|
500
|
Newly constructed
|
3
|
Chuong My
|
1
|
x
|
250
|
250
|
Install transformer 2
|
4
|
Hoa Lac
|
2
|
x
|
250
|
500
|
Newly constructed
|
5
|
Me Linh
|
1
|
x
|
250
|
250
|
Install transformer 2
|
6
|
Hai Duong 1
|
1
|
x
|
250
|
250
|
Replace transformer 1
|
7
|
Gia Loc
|
1
|
x
|
250
|
250
|
Install transformer 2
|
8
|
Pho Cao
|
1
|
x
|
250
|
250
|
Install transformer 2
|
9
|
Yen My
|
1
|
x
|
250
|
250
|
Install transformer 2
|
10
|
Thanh Nghi
|
1
|
x
|
250
|
250
|
Install transformer 2
|
11
|
Ly Nhan
|
1
|
x
|
250
|
250
|
Install transformer 2
|
12
|
Nam Dinh 2
|
2
|
x
|
125
|
250
|
Newly constructed
|
13
|
Vu Thu
|
1
|
x
|
250
|
250
|
Install transformer 2
|
14
|
Quynh Phu
|
1
|
x
|
250
|
250
|
Install transformer 2
|
15
|
Ninh Binh 2
|
2
|
x
|
250
|
500
|
Replace transformer
|
16
|
Cao Bang
|
1
|
x
|
250
|
250
|
Replace transformer 1
|
17
|
Lang Son
|
1
|
x
|
250
|
250
|
Install transformer 2
|
18
|
Lao Cai
|
1
|
x
|
250
|
250
|
Replace transformer 1
|
19
|
Bao Thang
|
1
|
x
|
250
|
250
|
Install transformer 2
|
20
|
Tuyen Quang
|
1
|
x
|
250
|
250
|
Replace transformer 1
|
21
|
Yen Bai
|
1
|
x
|
250
|
250
|
Replace transformer 2
|
22
|
Nghia Lo
|
1
|
x
|
125
|
125
|
Install transformer 2
|
23
|
Phu Binh
|
1
|
x
|
250
|
250
|
Install transformer 2
|
24
|
Phu Tho
|
1
|
x
|
250
|
250
|
Install transformer 2
|
25
|
Vinh Tuong
|
1
|
x
|
250
|
250
|
Install transformer 2
|
26
|
Tan Yen
|
1
|
x
|
250
|
250
|
Install transformer 2
|
27
|
Hoanh Bo
|
1
|
x
|
250
|
250
|
Replace transformer 2
|
28
|
Hai Ha industrial zone
|
1
|
x
|
250
|
250
|
Install transformer 2
|
29
|
Hai Ha Steel
|
2
|
x
|
200
|
400
|
Newly constructed
|
30
|
Lach Huyen Steel
|
2
|
x
|
125
|
250
|
Install transformer 2
|
31
|
Lai Chau
|
1
|
x
|
125
|
125
|
Install transformer 2
|
32
|
Son La commune
|
1
|
x
|
250
|
250
|
Replace transformer 2
|
33
|
Hoa Binh
|
1
|
x
|
250
|
250
|
Replace transformer
|
34
|
Sam Son
|
1
|
x
|
250
|
250
|
Install transformer 2
|
35
|
Hau Loc
|
1
|
x
|
125
|
125
|
Install transformer 2
|
36
|
Do Luong
|
2
|
x
|
250
|
500
|
Replace transformer
|
37
|
Cua Lo
|
1
|
x
|
125
|
125
|
Install transformer 2
|
38
|
Thach Khe
|
1
|
x
|
250
|
250
|
Replace transformer
|
39
|
Long Bien 2
|
1
|
x
|
250
|
250
|
Newly constructed
|
40
|
Dong Anh 3
|
1
|
x
|
250
|
250
|
Newly constructed
|
41
|
Soc Son 3
|
1
|
x
|
250
|
250
|
Newly constructed
|
42
|
Phuc Tho
|
1
|
x
|
250
|
250
|
Newly constructed
|
43
|
Dai Ban
|
2
|
x
|
250
|
500
|
Newly constructed
|
44
|
Vinh Bao
|
2
|
x
|
250
|
500
|
Newly constructed
|
45
|
Do Son
|
2
|
x
|
250
|
500
|
Newly constructed
|
46
|
Thanh Ha
|
1
|
x
|
250
|
250
|
Newly constructed
|
47
|
Hung Yen City
|
1
|
x
|
250
|
250
|
Newly constructed
|
48
|
Hai Hau
|
1
|
x
|
250
|
250
|
Newly constructed
|
49
|
An Hoa
|
1
|
x
|
250
|
250
|
Newly constructed
|
50
|
Tam Diep
|
1
|
x
|
250
|
250
|
Newly constructed
|
51
|
Bac Quang
|
1
|
x
|
125
|
125
|
Newly constructed
|
52
|
Dong Mo
|
1
|
x
|
250
|
250
|
Newly constructed
|
53
|
Ham Yen
|
1
|
x
|
125
|
125
|
Newly constructed
|
54
|
Dai Tu
|
1
|
x
|
250
|
250
|
Newly constructed
|
55
|
Pho Vang
|
1
|
x
|
250
|
250
|
Newly constructed
|
56
|
Tam Duong
|
1
|
x
|
250
|
250
|
Newly constructed
|
57
|
Chu
|
1
|
x
|
250
|
250
|
Newly constructed
|
58
|
Bac Giang 500kV
|
1
|
x
|
250
|
250
|
Newly constructed
|
59
|
Vo Cuong
|
2
|
x
|
250
|
500
|
Newly constructed
|
60
|
Thuan Thanh
|
2
|
x
|
250
|
500
|
Newly constructed
|
61
|
Nong Cong
|
1
|
x
|
250
|
250
|
Newly constructed
|
62
|
Tuong Duong
|
1
|
x
|
125
|
125
|
Newly constructed
|
63
|
Hoang Mai
|
1
|
x
|
125
|
125
|
Newly constructed
|
64
|
Can Loc
|
1
|
x
|
250
|
250
|
Newly constructed
|
|
Central area
|
Central areaCentral areaCentral area6000
|
|
1
|
Hon La
|
1
|
x
|
250
|
250
|
Install transformer 1
|
2
|
Dong Hoi
|
2
|
x
|
250
|
500
|
Replace transformer
|
3
|
Cua Tung
|
1
|
x
|
125
|
125
|
Install transformer 1
|
4
|
Chan May
|
1
|
x
|
250
|
250
|
Install transformer 2
|
5
|
Phong Dien
|
1
|
x
|
250
|
250
|
Replace transformer
|
6
|
Hoa Khanh
|
1
|
x
|
250
|
250
|
Replace transformer
|
7
|
Da Nang 2 (Hai Chau)
|
1
|
x
|
250
|
250
|
Install transformer 1
|
8
|
Tam Ky
|
1
|
x
|
250
|
250
|
Replace transformer
|
9
|
Bac Chu Lai
|
1
|
x
|
125
|
125
|
Install transformer 1
|
10
|
Quang Ngai 2
|
1
|
x
|
125
|
125
|
Install transformer 1
|
11
|
Quang Ngai
|
1
|
x
|
250
|
250
|
Replace transformer
|
12
|
Doc Soi
|
1
|
x
|
250
|
250
|
Replace transformer
|
13
|
Dung Quat
|
1
|
x
|
250
|
250
|
Replace transformer
|
14
|
Quy Nhon
|
1
|
x
|
250
|
250
|
Replace transformer
|
15
|
Binh Dinh
|
1
|
x
|
250
|
250
|
Install transformer 1
|
16
|
An Nhon
|
1
|
x
|
250
|
250
|
Install transformer 2
|
17
|
Tuy Hoa
|
1
|
x
|
250
|
250
|
Replace transformer 2
|
18
|
Song Cau
|
1
|
x
|
125
|
125
|
Install transformer 2
|
