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Trasmission Lines

Works performed:

1.400 km of 380 kV power lines  /  1.200 km of 220 kV power lines  /  3.000 km of 132 kV power lines

• “turnkey” power lines: design, supply of all materials and construction works
• Design, supply of materials, completion of environmental formalities, characterisation of land, ordnance reclamation and environmental impact study
• Obtaining of power line easement
• Specialisation in building power lines in high mountain and generally inaccessible areas: helicopter hoistable machinery and equipment
• Execution of special deep pile foundations, tubfix and anchorage to the rock

1907 construction of the first electric line: 70 kV Cedegolo - Sesto S. Giovanni, on behalf of the company Idroelettrica Adamello

1926 construction of the first 105 km 132 kV Chiavenna - Arquata power line, on behalf of the company Elettrica Cisalpina


• Installation of pylons using crane trucks
• Transportation of materials by helicopter
• Laying pilot lanyards by helicopter
• Special pylon foundations on micropiles in rock

1974 construction of the first section of the experimental 1000 kV power line at the Enel test field in Viverone

1907 1974 1990 1995

1990 design, construction of machinery and stringing of the experimental 1050 kV Suvereto power line: lines with "circus" type pylons and conductors with eight sub-conductors

1995 design of the system and dismantling of the 380 kV pylons with a special helicopter

2002 design of the system and installation of the trestle and single-stem tubular pylons using a special S-64 Erickson helicopter  (10 ton capacity.)

2006 design, supply of all materials and construction of the 380 kV Leinì mixed overhead - buried power line consisting of: overhead cable section, overhead/buried transit station, buried cable section

2010 construction and stringing of a 380 kV power line using the special Foster pylons

2002 2010