Yazd Solar Farm
Solar farms EPC projects are one of our main fields
Submarine Power Cable
One of the best ways to connect islands to mainland
South Pars Gas Field
Power Distribution Networks O&M Projects.
Noravan 400 kv S/S
Armani’s third line substation in Noravan city
Renewable Energies
Combined solar and wind farm
Ahvaz 4 power plant electrical connection to Gotvand (400 KV T/L)
Asaluyeh 400 kv S/S
Asaluyeh 1000 MW powerplant 400/230/66 kv substation
NGL 1200 T/L
Terminal Tower and the next one.


For more than two decades, HOTCO has managed to provide proper services for project execution by employing high technical and engineering capacities of managers and expert teams and benefiting from modern engineering knowledge and relevant softwares.

  • feasibility Studies
  • Initial designs to determine transmission power voltage level, voltage drop criteria, losses and etc.
  • Locating substation and routing the transmission lines.
  • Surveying and conducting geotechnical analysis.
  • Optimization the cost and other aspects of project
  • Providing technical and engineering services for goods and equipment procurement.
  • Providing detail design services such as technical specifications of equipment, Construction details and drawings,  Construction and installation technical specifications, single line diagrams, workshop drawings and etc.
  • Providing test and commissioning specifications and instructions.
  • Providing operation and maintenance specifications and instructions.
  • Providing As-Built drawings.