Business Areas
Engineering, construction and commissioning across transmission, distribution and field infrastructure.
Substations and switchyards
Turnkey substations and switchyards, from civil works and equipment installation through testing and commissioning.
- Switchyard civil and steel structures
- Control buildings and concrete works
- Circuit breaker, disconnector and instrument transformer installation
- Cabling and secondary installations
- Bay extensions and capacity additions
- Testing, acceptance and commissioning
154 kV Engil (Van) Substation renewal, 2015. SEKA and Susurluk WPP bays at Balıkesir 2 Substation, 2017.
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Power transmission lines
Transmission line construction from foundations to provisional acceptance, including line variants, relocation and shield wire replacement.
- Route preparation and foundations
- Tower erection
- Conductor stringing — up to 3B 1272 MCM
- Shield wire and OPGW installation
- Line variants and relocation
- Energisation and provisional acceptance
Tatvan interconnection lines: 380 kV single circuit, 26.5 km, 65 towers; accepted 2018. Alparslan HPP SS–Adilcevaz and Hınıs SS line variants, 2024. İzmit 380 SS interconnections and 16 km OPGW conversion, 2016.
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Engineering and design
The technical foundation for construction: route surveys, permitting and preparation of designs for approval.
- Route surveys
- Environmental impact assessment
- Expropriation procedures
- Primary and secondary design
- Civil and foundation design
- Follow-up of authority approvals
Engineering and design are delivered as part of the turnkey contracts we undertake.
Explore projects ↗Distribution networks and urban systems
Low and medium voltage installations, underground networks and industrial zone infrastructure for urban and rural areas.
- LV and MV network construction
- Underground cable networks
- Transformer stations and kiosks
- Distribution lines up to 33 kV
- Organised industrial zone networks
- Road and area lighting
60 km, 33 kV line between Doğubeyazıt SS and Çaldıran DC, 2009–2011. Van and Iğdır industrial zone networks. Urban systems in İzmir, Denizli, Niğde and Kahramanmaraş.
Explore projects ↗Fault repair and maintenance
Fault response, periodic maintenance and network repair under multi-year contracts with distribution companies.
- Multi-year maintenance contracts
- Fault response teams
- Periodic line and transformer maintenance
- Network renewal and repair
Five-year repair and maintenance services for Vangölü EDAŞ in the Bitlis centre–Tatvan–Güroymak and Hakkâri centre–Çukurca regions, 2009–2014.
Explore projects ↗Road and infrastructure construction
State highway construction, urban bypass arrangements and associated engineering structures and superstructure works.
- Earthworks
- Engineering structures
- Superstructure works
- Urban bypass arrangements
Gevaş urban bypass earthworks, engineering structures and superstructure; state highway 300-33, KM 36+000–38+000. Provisional acceptance 2013.
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