Project for the development of the transportation network of the electricity for the STEG

Tunisia has obtained from the Islamic Development Bank for a loan to finance the project for the development of the transportation network of the electricity for the STEG in the framework of the five-year program 13th plan.

The objectives of the project:

The overall objective of the project aims to meet the evolution of increasing load and fill the request of the major projects of the clients HT and mt by the strengthening of the network of transport of electricity.

The project will include the following components:

Component A : The conventional positions HT (AIS).

This component is divided into two lots as follows: (

  1. a) Lot N°1:

– three (03) new Substations 225/33 kV (Zaafrana, Bir Chaabane and SKHIRA);

– A (01) New Substations 150/33 kV (Noyel);

– A (01) New Substations 225/90 kV (Sanhaja);

– A (01) extension of a (01) Existing Substations 150/33kV (Akouda);

– A (01) extension of two (02) Existing Substations 90/33kV (Gaafour and Oued Zarga2);

– strengthening of a (01) Existing Substations 225/150kV (Zarzis);

– Connections in underground cable 225 kV (position of Skhira).

  1. b) Lot N°2:

– two (02) new Substations 225/33 kV (Jemmal and Ben Guerdene)

– two (02) new Substations 225kV (Tajerouine Oueslatia and);

– A (01) extension A (01) Existing Substations 150kV (Bouchemma);

– strengthening of a (01) Existing Substations 90/33kV (Menzel Temime);

– Strengthening of three (03) Existing Substations 150/33kV (Ennfi DHA, Mdhila and Tozeur);

– Connections in underground cable 225 kV (Substations of Tajerouine Oueslatia and).

– Two (02) new Substations 225-150 mobile/33kV.

  1. c) Lot N°3:

– A (01) autotransformer 225/90 Power/11kV- 200MVA;

– A (01) autotransformer 225/150 Power/11kV- 200MVA;

– twelve (12) power transformers 225/33kV- 40MVA;

– Seven (07) power transformers 150/33kV- 40MVA;

– A (01) power transformer 90/33kV- 40MVA;

– twenty (20) reels of neutral point 33/0.4 kV- 160 kVA.

Component B : the airlines HT.

This component is comprised of:

– Construction of new high-voltage power lines (90, 150, 225 and 400kV): 240km

Procurement of Goods and Works:

The procurement of goods and work will be carried out by post-qualification and will be by two international tenders (AOI) formed as follows:

  1. Calls for Tender No. 1: consists of three lots:
  • Lot N°1: For studies of design and realization, work of civil engineering, manufacturing and testing in plants, supplies, transportation to work, the work of assembly, the tests on site and put in service of conventional posts HT (AIS) and connections by underground cables HT.
  • Lot N°2: For studies of design and realization, work of civil engineering, manufacturing and testing in plants, supplies, transportation to work, the work of assembly, the tests on site and put in service of conventional posts HT (AIS) and connections by underground cables HT as well as the acquisition of two new posts HT/MT Mobile.
  • Lot N°3: For studies of design and realization, the manufacture and testing in plants, supplies, transportation to work, the work of assembly, the on-site tests and updates in service of the transformers of powers.
  1. Calls for Tender No. 2: consists of a single batch:
  • For studies of design and realization, work of civil engineering, manufacturing and testing in plants, supplies, transportation to work, the work of assembly, the tests on site and put in service of aerial HV lines.

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