Electrical Contractor for HV, MV and LV Systems
From transformer installation to final commissioning, FASTEP Arabia delivers complete electrical packages for substations, plants and transmission networks across Saudi Arabia.
- Power transformers installed, aligned & tested up to 500 MVA
- 132 kV and 380 kV Gas Insulated Switchgear (GIS & GIB) capabilities
- Complete diagnostic testing, PD analysis & turnkey commissioning
Serving Major Utilities, Energy & Industrial Operators




























































Core Segments Supported
From greenfield developments to tight-turnaround shutdowns, we provide end-to-end technical execution.
New Substation & Plant Packages
Installation of high-capacity transformers, switchgear lineups, busducts, comprehensive cabling networks, and integrated protection systems for greenfield projects.
Brownfield Upgrades
Direct equipment replacement and plant expansions executed safely within energized, live industrial facilities under strict work permit discipline and Aramco standards.
Outage-Window Testing
High-precision advanced diagnostics, relay testing, and final commissioning scheduled meticulously around tight plant turnaround and planned shutdown windows.
High & Medium Voltage Installation
Critical infrastructure demand proven craftsmanship. We provide certified crews for complex power equipment installations.
Power Transformers
Installation, precision core alignment, vacuum filling, oil filtration, and cold/hot testing for transformers up to 500 MVA capacity.
GIS & GIB Systems
Complete erection, gas handling, and commissioning of 132 kV and 380 kV Gas Insulated Switchgear and Gas Insulated Busducts.
Switchgear, RMUs & Breakers
Turnkey integration of medium voltage and low voltage switchgear units, Ring Main Units (RMU), and vacuum/SF6 circuit breakers.
Busduct Systems
Assembly and high-pot testing of Isolated Phase Busduct (IPB) and Non-Segregated Busduct (NSB) assemblies for high-current applications.
Cable & Raceway Systems
Turnkey cable installation, splicing, and termination of HV, MV, and LV power cables along with structured raceway systems engineered to international standards.
- HV, MV & LV Cable Pulling
- Certified Splice Jointing
- Heavy-Duty Ladder Trays
- Industrial Cable Conduits
- Flameproof Cable Glands
- Lugs & Marking Systems
Testing, Diagnostics & Commissioning
In-house specialized testing equipment and certified diagnostic technicians ensuring zero energization failure.
Field Diagnostics & Protection Solutions
We combine advanced computational diagnostics with certified high-voltage test sets to ensure assets operate at peak reliability under industrial operating conditions.
Health Index Calculation
Predictive equipment diagnostic ranking and lifetime remaining assessment calculated through advanced Diag Console modeling.
Partial Discharge Testing
Non-destructive PD testing, acoustic detection, and online insulation diagnostics on transformers, switchgear, and high-voltage cables.
Overhead Line Services
Transmission line signature analysis, live OHL structural/conductor repairs, and installation of aerodynamic bird diverters.
Protection & Commissioning
Relay coordination studies, functional tripping tests, interlock checks, and complete energization sign-off.
Auxiliary & Critical Power Systems Supported:
Electrical Job Categories
The complete range of electrical disciplines our engineering and field teams deliver, from design through maintenance.
Electrical Design and Engineering
- Load schedules and calculations
- Single-line diagrams
- Cable sizing and voltage-drop calculations
- Short-circuit and protection coordination studies
- Electrical layouts and shop drawings
Power Distribution
- Transformers and generators
- Medium-voltage and low-voltage systems
- Main distribution boards and sub-distribution boards
- Switchgear, circuit breakers, and isolators
- Busbar trunking systems
Cabling and Wiring
- Power and control cable installation
- Cable trays, ladders, and conduits
- Cable pulling, glanding, and termination
- Internal and external wiring
- Structured cabling and data networks
Lighting Systems
- Indoor and outdoor lighting
- LED lighting systems
- Emergency and exit lighting
- Street, landscape, and façade lighting
- Lighting-control systems
Industrial Electrical Works
- Motor control centers
- Motor starters and variable-frequency drives
- Industrial machinery connections
- Control panels and automation panels
- Plant electrical maintenance
Earthing and Lightning Protection
- Earthing networks
- Equipment and system grounding
- Lightning-protection systems
- Earth-pit installation and testing
- Bonding and equipotential connections
Backup and Renewable Energy
- Generators and automatic transfer switches
- UPS systems and battery banks
- Solar photovoltaic systems
- Inverters and energy-storage systems
- Energy-management systems
ELV and Low-Current Systems
- CCTV and video surveillance
- Access control and time attendance
- Fire alarm systems
- Intercom and public-address systems
- Data, telephone, and networking systems
- Building-management systems
Building Services Electrical Works
- HVAC power and controls
- Pump and water-treatment electrical systems
- Lift and escalator power supplies
- Kitchen and laundry equipment connections
- Automatic doors and gates
Testing, Commissioning, and Maintenance
- Insulation-resistance testing
- Continuity and polarity testing
- Earth-resistance testing
- Relay and protection testing
- Functional testing and commissioning
- Preventive and corrective maintenance
- Electrical fault diagnosis and repair
Inspection and Documentation
- Material submittals
- Method statements and risk assessments
- Inspection and test plans
- Testing certificates
- As-built drawings
- Operation and maintenance manuals
- Authority inspection coordination
Need an Aramco-Approved Electrical Specialist?
Share your single line diagrams (SLD) or BOQ for immediate review and pricing.