Electrical Substations & Power Systems Design

Stage 01

Power Begins Here

Engineering critical infrastructure that powers modern cities and national development

HV & EHV Substations · 380kV / 132kV · SEC-Approved Engineering
Stage 02

Designed for Reliability

Integrated engineering solutions developed with precision, operational clarity, and long-term performance in mind

Primary & Secondary Design · Electromechanical Systems · Grid Reliability
Stage 03

Integrated by Design

Architecture, electrical systems, civil engineering, and infrastructure coordination working together as one unified facility

Power Flow · Protection Systems · System Coordination
Stage 04

Infrastructure, Architected

Beyond technical systems, HREO designs complete infrastructure facilities that combine operational efficiency with architectural quality

Transmission Networks · OHTL · UGC · Regional Delivery
Stage 05

Built to Power Regions

With more than 100 substations designed across the region, HREO delivers large-scale infrastructure expertise for critical power projects

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HREO Electrical Substations Services

Reliable power engineering built on experience and precision

At HREO, we provide integrated engineering designs for high-voltage and extra-high-voltage substations, including civil, electromechanical, primary and secondary systems, with full commitment to standards and reliability.

01 100+ Substations Designed
02 Experience in 380kV, 132kV & 110kV
03 SEC Saudi Arabia Approved
04 Regional Experience in 3 Countries

Critical power systems require precise engineering

Electrical substations are the heart of power infrastructure. Any design or coordination error can lead to costly outages, operational risks, and delivery delays. We ensure design accuracy from the start.

Precise Design

Every element designed according to international and local standards

Integrated Coordination

Full integration between civil, electrical, and mechanical design

High Reliability

Protection and control systems designed to ensure operational continuity

On-Time Delivery

Commitment to schedules and project requirements

Comprehensive service scope for power stations

Our services cover the complete project lifecycle from preliminary studies and detailed design to supervision and delivery, with full integration across all disciplines.

Civil & Structural Design

Substation buildings, foundations, steel structures, equipment supports, and site infrastructure

Primary Electrical Design

Layouts, equipment arrangement, grounding, lightning protection, and power system interfaces

Secondary Electrical Design

Protection, control, SCADA interfaces, panels, wiring, and system integration

Electromechanical Systems

HVAC, firefighting, drainage, plumbing, and building services for substation facilities

OHTL & UGC Systems

Design support for overhead transmission lines and underground cable systems

Tender & BOQ Packages

Specifications, quantities, drawings, and documentation for procurement and execution

Why developers and contractors trust HREO

36 Years Experience

Over three decades of experience in electrical substation design and power infrastructure

100+ Substations Designed

Proven track record in designing substations at 110kV, 132kV, and 380kV across the region

SEC Approved

Engineering capabilities approved by Saudi Electricity Company for high-voltage projects

Specialized Team

Engineers specialized in power systems, protection, control, and electromechanical coordination

Supported by advanced engineering tools

We use the latest electrical and structural design software, with specialized teams in protection systems, control, and network coordination.

Advanced electrical design software
Power system simulation tools
Protection and coordination analysis programs
Engineering project management systems

Commitment to international and local standards

All our designs comply with Saudi SEC standards, international IEC standards, and local authority requirements in every country we operate.

  • ISO 9001:2015 Certificate (High Rock - KSA)
  • ISO 14001:2015 Environmental Management System Certificate
  • ISO 9001:2015 Certificate
  • ISO 45001:2018 Certificate
  • Saudi Electricity Company (SEC) Accreditation
  • National Grid SA Accreditation
  • Classification Certificate (First Category A)
  • Saudi Council of Engineers License

Proven experience in regional substation projects

We have designed over 100 electrical substations in Saudi Arabia, Jordan, and Iraq, with voltages ranging from 110kV to 380kV.

Extra High Voltage Substations

380kV and 220kV substations for main grids and regional power transmission

High Voltage Substations

132kV and 110kV substations for distribution and major developments

Industrial Substations

Private substations for factories and major industrial facilities

Commercial Substations

Substations for shopping complexes and large real estate projects

Related Projects

We have designed over 100 electrical substations in Saudi Arabia, Jordan, and Iraq, with voltages ranging from 110kV to 380kV.

Design power infrastructure with confidence and clarity

Whether you are planning a new substation, expanding an existing network, or preparing a complex power project, HREO delivers the engineering clarity needed to move forward with confidence.