"We manage with millimetric precision, not slogans."
Founded in 1994, ÖZAŞ Harita Enerji Ltd. Şti. provides engineering, project management, and field implementation services, drawing on over 30 years of experience in energy transmission lines, substations, and high-voltage energy infrastructure projects. Since its inception, the company has served as a reliable partner in energy investment projects carried out by both the public and private sectors. Combining its technical expertise with a strong field organization and an experienced workforce, ÖZAŞ delivers high-quality, sustainable solutions that comply with national standards for power transmission line projects at 34.5 kV, 154 kV, and 380 kV voltage levels, as well as for substation applications. Every stage—from planning to implementation, and from testing and commissioning to project handover—is managed with meticulous care. With quality, occupational health and safety, on-time delivery, and engineering discipline as its core operating principles, ÖZAŞ continues to add value to Turkey’s energy infrastructure through the projects it has completed and its many years of field experience.
The Values That Define Us
Our Mission
To add value to public and private sector investments by providing reliable, high-quality and sustainable solutions in the fields of engineering, site operations and project management for power transmission lines, substations and high-voltage energy infrastructure projects. To deliver projects in accordance with national standards through our technical expertise, strong on-site organisation and quality-focused approach.
Our Vision
To be one of the sector’s leading solution partners, recognised for our expertise in engineering, project management and on-site implementation within the high-voltage energy infrastructure sector, and guided by our commitment to quality, reliability and sustainable success.
Our experienced engineers and technical staff, who work on power transmission lines, substations, and high-voltage power infrastructure projects, meticulously carry out planning, implementation, and project management processes in accordance with national standards. Every project is managed with engineering expertise and field experience.
Thanks to the modern equipment used in our projects, our experienced field teams, and our efficient organizational structure, implementation processes are carried out safely, in a well-planned manner, and in accordance with high-quality standards.
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Occupational health and safety is our top priority in all field operations. We create a safe working environment by conducting risk assessments, performing field inspections, and following safe work procedures.
Occupational Health and Safety
Occupational health and safety is our top priority in all field operations. We create a safe working environment by conducting risk assessments, performing field inspections, and following safe work procedures.
Quality Management
All work performed on power transmission line and substation projects is monitored as part of quality control processes and inspected in accordance with technical specifications and the client’s expectations.
Environmental Responsibility
Our projects aim to minimize environmental impacts; the conservation of natural resources, compliance with environmental regulations, and sustainable practices form the foundation of our approach.
Quality Certificates
In accordance with the certifications held for quality, environmental, and occupational health and safety management systems, project processes are carried out in compliance with international management standards: ISO 9001, 14001
Public and Private Sector Experience
Public Projects
It contributes to our country’s energy infrastructure by providing engineering, project management, and field implementation services for power transmission lines, substations, and high-voltage infrastructure projects undertaken by public institutions, particularly TEİAŞ.
Private Sector Projects
We provide engineering, construction, and project management services for power transmission lines, substations, and infrastructure projects at industrial facilities, organized industrial zones, energy investors, and private-sector projects.
