Colombia launches electricity transmission tenders

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Colombia's mining and energy planning unit UPME launched supply, construction and maintenance tenders for three electricity transmission projects.

The 500 kV Caribbean coast reinforcement project consists of upgrades to substations and transmission lines near Colombia's Caribbean coast, according to Business News Americas.

Tender winners will be responsible for constructing one line bay in the 500 kV Cerromatoso substation, two line bays in the 500 kV Chinú substation and one line bay in the 500 kV Copey substation; installing 60 MVA inductive reactors at the ends of the Cerromatoso-Chinú 500 kV line; constructing a 500 kV line of about 125 miles between the Chinú and Copey substations; and installing 84 MVA inductive reactors at the ends of the Chinú-Copey 500 kV line.

The 500 kV southwestern reinforcement project consists of upgrades to substations and transmission lines in the southwestern and central areas of Colombia.

Tender winners will be responsible for constructing one line bay in the 500 kV Medellín substation and two line bays in the 500 kV La Virginia substation; constructing a 500 kV line of 105 miles from substation Medellín to La Virginia; and installing 84 MVA inductive reactors at the ends of the Medellín-La Virginia line.

Tender winners must also construct a 500 kV substation — dubbed Alférez — along with two line bays and two transformer bays; install two 500/230 transformers at Alférez; and build a 500 kV line 125 miles long connecting Alférez with La Virginia, with 84 MVA inductive reactors at the ends.

Additional works include constructing two line bays and two transformer bays at the existing 230 kV Alférez substation.

The Ituango-Medellín substation project consists of constructing two new substations in central Colombia with associated transmission lines and works to surrounding substations.

Tender winners' responsibilities will include the construction of the 500 kV Ituango substation with four line bays and the 500 kV Medellín substation with one line bay and two transformer bays.

Additional works include transmission lines, line bays, transformers, transformer bays and inductive reactors to connect the new substations with the 500 kV Cerromatoso substation, the 500 kV Porce III substation, the 230 kV Medellín substation and the 230 kV Ancón Sur substation.

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