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Bangladesh: Growth in Power Transmission Network [free access]

July 11, 2022

As of December 2021, Bangladesh's transmission network comprised about 12,836 circuit km of line length at the 132 kV, 230 kV and 400 kV voltage levels. Of the total line length, the majority or about 64 per cent was at 132 kV, followed by 28 per cent at 230 kV and 7 per cent at 400 kV.

 

Between 2017 and 2021, Bangladesh's transmission line network grew at a CAGR of 5.3 per cent, with net additions of close to 2,400 km. The country’s transmission network saw significant growth at the 132 kV level, which increased from just 6,551 km in 2017 to 8,228 km by 2021, translating to a CAGR of 5.8 per cent during the period.

 

Table 3: Growth in Bangladesh's transmission line length (circuit km)

Voltage (kV)

2017

2018

2019

2020

2021

132 kV

6,551

7,082

7,546

 7,764

 8,228

230 kV

3,325

3,343

3,407

 3,658

 3,658

400 kV

560

698

698

 861

 950

Total

10,436

11,123

11,650

 12,283

 12,836

Annual growth rate (%) 

 5.5

7.5

4.7

5.4

4.5

Note: Data is as of December 31 for each year.

Source: Power Grid Company of Bangladesh; Global Transmission Research 

 

The transformer capacity stood at 50.3 GVA as of 2021, increasing from 26.04 GVA in 2017 and registering a CAGR of around 17.94 per cent. The number of substations in the country also grew significantly, which increased from 114 in 2017 to 194 by 2021, translating to a CAGR of 14.21 per cent during the period.

 

 

Figure 2: Growth in Bangladesh’s transmission network

 

Note: Data is as of December 31 for each year.

Source: Power Grid Company of Bangladesh; Global Transmission Research