High-voltage transmission infrastructure construction

A Mitaş Energy Company

End-to-end EPC solutions for high-voltage infrastructure.

From engineering and procurement to construction and commissioning. One accountable partner throughout the complete project lifecycle.

01Engineering
02Procurement
03Construction
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1928
Roots in the energy sector
90+
Qualified professionals
2
Direct operating markets
140+
Countries served by the Mitaş group

Tecnolines Italia

Italian experience. Global capability.

Tecnolines Italia operates as an integrated EPC contractor for high-voltage transmission infrastructure. We combine engineering, procurement, construction capability and site management with the industrial and international strength of Mitaş Energy.

The EPC model

Engineering. Procurement. Construction.

Three disciplines governed by one project structure, from feasibility through delivery and maintenance.

Engineering
01

ENG

Engineering

Reliable and buildable engineering solutions for high-voltage overhead lines, from route definition to technical validation.

  • Topographical surveys and route optimisation
  • Geotechnical and geological studies
  • Design and structural calculations
Procurement
02

PROC

Procurement

Strategic sourcing of materials, services and logistics to ensure continuity, compliance and schedule control.

  • Materials compliant with project specifications
  • Qualified suppliers and specialists
  • Transport, storage and delivery
Construction
03

CONST

Construction

Complete and controlled execution, supported by site management, HSE supervision and continuous quality verification.

  • Tower assembly and erection
  • Conductor and OPGW stringing
  • Substations and transformers
Tecnolines Italia high-voltage line

A Mitaş group company

Local presence, international industrial strength.

Tecnolines Italia provides market knowledge, site management and qualified personnel. Mitaş Energy strengthens the value chain with manufacturing capability, engineering, procurement and global reach.

Tecnolines Italia

Tecnolines Italia

Project leadership, operational teams, HSE control, site management and knowledge of Italian and European requirements.

Mitaş Energy

Mitaş Energy

Industrial capability, strategic procurement, international expertise and a network serving more than 140 countries across five continents.

Operational experience

Projects that demonstrate delivery capability

A selection of ongoing projects and framework agreements included in the 2026 Company Profile.

380 kV framework agreement — North West Territorial Division 380 / 220 kV

Italy

380 kV framework agreement — North West Territorial Division

Construction of new 380 kV overhead lines and renewal or refurbishment of existing double- and triple-circuit 380/220 kV lines, mainly within the territory of the North West Territorial Division.

Client
Terna Rete Italia S.p.A.
Contract
6000002772
Scope
Turnkey EPC
Status
Ongoing
380/220 kV and optical fibre framework agreement — national grid 380 / 220 kV

Italy

380/220 kV and optical fibre framework agreement — national grid

Construction, renewal, refurbishment, maintenance and emergency response on double- and triple-circuit 380/220 kV overhead lines and on the optical fibre system of the national transmission grid.

Client
Terna Rete Italia S.p.A.
Contract
6000004041
Scope
Turnkey EPC
Status
Ongoing
132/150 kV framework agreement — Northern area 132 / 150 kV

Italy

132/150 kV framework agreement — Northern area

Construction, renewal and extraordinary maintenance of 132/150 kV overhead lines. Northern area: North West, North, North East and Central North Transmission Departments, Sardinia Transmission District.

Client
Terna Rete Italia S.p.A.
Contract
6100000039
Scope
Construction
Status
Ongoing

Zero incident mindset

Performance, safety and responsibility within one system.

Quality, health and safety, environment, energy, anti-bribery and social responsibility are integrated into project governance and execution.

ISO 9001ISO 14001ISO 45001ISO 50001UNI/PdR 125SCL
Tecnolines Italia qualified team

Clients and partners

Reliability recognised by leading industry operators.

Power transmission line at sunset

Tecnolines Italia

We build the infrastructure that powers the future.