High Voltage Power Engineering · Since 2000

Powering the
Infrastructure
of Tomorrow

Pishtazan Hezare Dovom delivers end-to-end engineering solutions in high voltage power systems and transmission line infrastructure — from design to commissioning.

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Power Engineering
About Us

Engineering Excellence in High Voltage Systems

Pishtazan Hezare Dovom is a leading engineering firm specializing in high voltage power systems and power transmission line infrastructure. Since our founding, we have built a reputation for technical precision, safety, and reliable delivery across complex projects.

Our multidisciplinary team of engineers brings together decades of hands-on experience in EHV/HV substation design, overhead line construction, and grid modernization — up to 400kV.

"At Pishtazan H.D., we don't just build transmission lines — we build the backbone of the nation's power grid."
Client Feedback

What Our Clients Say

"Pishtazan H.D. delivered our 400kV transmission corridor on time and within budget. Their engineering team's technical depth and on-site professionalism exceeded all expectations. A truly reliable partner for critical infrastructure."
★ ★ ★ ★ ★
Iran Grid Management Company
Project Director · North-South Corridor
"The substation engineering team at Pishtazan handled every technical challenge with precision. Their power system studies saved us significant cost in equipment sizing and their protection design has been flawless since commissioning."
★ ★ ★ ★ ★
Isfahan Regional Electric Co.
Head of Projects
"From feasibility to commissioning, Pishtazan managed our grid connection project with outstanding coordination. Their knowledge of both technical standards and local regulatory requirements made all the difference."
★ ★ ★ ★ ★
Renewable Energy Organization of Iran
Grid Integration Manager
By The Numbers

Our Track Record

Decades of engineering expertise translated into measurable results across Iran's power transmission network.

120+
Projects Completed
Spanning transmission lines, substations, and grid modernization projects delivered across the country.
3,500km
Lines Built
Total length of overhead transmission lines designed and constructed by our engineering teams.
400kV
Max Voltage Class
Certified capability in extra high voltage design, construction, and commissioning up to 400kV class.
Our Services

What We Offer

From feasibility studies and power system analysis to full EPC delivery — we provide complete engineering solutions for transmission line and substation projects.

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