Transmisora eléctrica del Sur 2

Transmisora Eléctrica del Sur 2

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Since 2015, Transmisora Eléctrica del Sur 2 has held the concession to provide the design, financing, construction, operation, and maintenance of the 220 kV Azángaro-Juliaca-Puno transmission line, which consists of 115 km of circuits and is planned to go into commercial operation in 2018.

This line, with its larger capacity, will strengthen the 138 kV transmission system that is currently in operation in the area, benefiting the population and economic activity.

Transmission lines

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  • 220 kV Pumiri - San Román line: the line starts at the Pumiri 220kV substation, located in the Puno region near the town of Azángaro, and ends at the San Román 220 kV substation, which is located in the Puno region in the town of Juliaca. It passes through the districts of Azángaro, Santiago de Pupuja, Arapa, Achaya, Caminaca, Juliaca and Caracoto, in the provinces of Azángaro and San Román.
  • 220 kV San Román-Puno line: the line starts at the San Román 220kV substation, located in the Puno region near the town of Juliaca, and ends at the Puno substation, which is located near the town of Puno in the Puno region. It passes through the districts of Caracoto, Huata, Paucarcolla, Atuncolla and Puno, in the provinces of San Román and Puno. 
  • 138 kV Pumiri - Azángaro line: the line starts at the Pumiri 138kV substation, and ends at the existing Azángaro substation, both located in the Puno region, Azángaro province, near the town of Azángaro.
  • 138 kV San Román - L/Puno- Juliaca line: the line starts at support n°18 of the existing 138 kV Puno- Juliaca line and ends at the San Román substation. The entire route is located in the Puno region, San Román province, near the city of Juliaca.

Substations

  • Puno 220 kV substation: the busbar configuration for this substation is defined by the requirements of the COES for existing installations, and since it is an installation in the Regional Backbone Transmission System, it has a double busbar arrangement with transfer disconnector. All of the bays (Moquegua line and Auto-transformer) of REDESUR, will have this configuration as soon as the reconfiguration that REDESUR must carry out in the substation has been completed.
  • San Román 220/138 kV substation: the San Román 220 kV substation belongs to the Peruvian regional backbone transmission system, so the requirements in terms of reliability, flexibility, and security are high, because it will interconnect hydraulic power stations, large towns, and large loads in the mining sector.
  • Pumiri 220/138 kV substation: the Pumiri 220 kV substation belongs to the Peruvian regional backbone transmission system, so the requirements in terms of reliability, flexibility, and security are high, because it will interconnect hydraulic power stations, large towns, and large loads in the mining sector.