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Category: OHTL Projects

Technical Strategies to Improve Transmission Line Efficiency

Posted on October 6, 2025October 6, 2025 by Engr. Hamid Ali

In modern power systems, the efficiency of transmission lines directly affects overall grid performance, operating costs, and reliability. Since transmission losses primarily occur due to conductor resistance and reactive power flow, engineers must carefully evaluate both design and operational strategies to minimize these losses. Below is a detailed technical review of methods to improve transmission…

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SEC Standards Update: New vs Old

Posted on September 2, 2025September 2, 2025 by Engr. Hamid Ali

Saudi Electricity Company (SEC) has issued new standards that mayl soon replace the old ones. These updated codes are essential for engineers, consultants, and contractors working on substations, OHTL (Overhead Transmission Lines), and power system projects in Saudi Arabia. Key Points to Remember: Our Most Read Posts In the old SEC standards, the first letter…

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Sag templates & Curves

Posted on January 21, 2025January 22, 2025 by Engr. Hamid Ali

Sag templates are a critical tool in the design and construction of transmission lines. We usually use these to determine the vertical position of conductors (and ground wires) under specified design conditions, ensuring that the transmission line provides adequate clearance to the ground and other facilities. Below is a detailed explanation of sag templates based…

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SEC Invited Bids for HVDC EOA-COA Links

Posted on January 2, 2025January 22, 2025 by Engr. Hamid Ali

The Saudi Electricity Company (SEC) has taken a significant step toward enhancing the nation’s power transmission infrastructure by inviting bids for two major High Voltage Direct Current (HVDC) transmission projects: These projects are part of SEC’s broader strategy to ensure efficient and reliable electricity transfer across the Kingdom, connecting key industrial and power generation hubs….

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ASC submits lowest Bid for 380kV OHTL in Riyadh

Posted on December 22, 2024January 22, 2025 by Engr. Hamid Ali

AL SHARIF CONTRACTING AND COMMERCIAL DEV also known as ASG or ASC submits lowest Bid for 380kV OHTL in Riyadh for the below two projects PP15 BSP TO AIRPORT NORTH BSP OHTL Scope of Work PP15 BSP # 9077 TO AIRPORT NORTH BSP # 9089 consists of Design and Construct two (2) 380kV Double Circuit…

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SSEM awarded New HVDC OHTL Project

Posted on November 13, 2024November 25, 2024 by Engr. Hamid Ali

Saudi Services for Electro Mechanic works SSEM awarded new HVDC OHTL Project ±500kV worth $505 million. This is Portion 3 of new Double VSC HVDC Overhead Transmission Line for COA-SOA Interconnection Link that is 381 kM long. The new Double VSC HVDC Overhead Transmission Line for COA-SOA Interconnection Link involves constructing a total of 1,089…

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Leading OHTL Contractors in KSA

Leading OHTL Contractors in KSA

Posted on October 14, 2024December 16, 2024 by Engr. Hamid Ali

Leading OHTL Contractors in KSA is a special post for Electrical, Civil, Mechanical, QC/QA, Computer, Telecom and Safety Engineers as well as for IT, Finance and management related people. We are providing you a list of Top and leading OHTL contractors in KSA with their official website, apply links along with the new 380kV or…

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