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Turkey: Growth in Electricity Network and Capacity [free access]

September 9, 2020

Turkey’s transmission network is operated by Türkiye Elektrik Iletim A.S (TEIAS). As of 2019, the country’s transmission network comprised about 70,034 km of line length at 154 kV and above voltage levels. Of the total line length, the majority, or about 66 per cent, was at 154 kV, followed by 34 per cent at 380 kV and the rest at 220 kV. Since 2015, Turkey’s transmission line network has grown at a CAGR of close to 5 per cent, with net additions of over 12,300 km.

 

The transformer capacity of Turkey stood at 180 GVA as of 2019. Significant additions were made at 154 kV, accounting for close to 50 per cent of the additions between 2015 and 2019. The country has added 281 transformers in the past five years, to reach 1,867 transformers by 2019.

 

Turkey provides power to its neighbouring countries including Iran, which has a severe power shortage.

 

The country has been undertaking numerous construction and refurbishment projects for substations, underground cables and transmission lines. For this network expansion, it has received loans from multilateral institutes such as the International Bank for Reconstruction and Development (IBRD).

 

Table 1: Growth in Turkey's transmission line network (km)

 

2015

2016

2017

2018

2019E

380 kV

19,370

21,081

22,685

23,339

24,031

220 kV

85

85

85

85

85

154 kV

38,251

39,317

43,838

45,225

45,918

Total

57,706

60,482

66,608

68,649

70,034

Note: E - 2019 estimates are based on the actual aggregate transmission length of 70,034 at the end of January 2020. The break-up has been estimated based on the assumption that the additions took place equally for the 380 kV overhead lines (OHL) and 220 kV OHL.

Source: Turkish Electricity Transmission Corporation (TEİAŞ)

  

Figure 1: Growth in Turkey’s transformer capacity (MVA)

 

 

Note: E - 2019 estimates are based on the CAGR between 2006 and 2018 
Source: Turkish Electricity Transmission Corporation (TEİAŞ)