Our Services

Integrated Electrical Engineering & Power Solutions

AVOTECH CORPORATION provides comprehensive electrical engineering, construction, testing, commissioning, maintenance, and technical support services for industrial, infrastructure, water, power, and commercial facilities.

With experience in complex electrical projects covering medium- and high-voltage systems up to 115kV, our team supports clients throughout the project lifecycle—from technical coordination, engineering support, and material sourcing to installation, testing, energization, maintenance, and final turnover.

Transmission Line & Substation Projects

Avotech undertakes high-voltage transmission line and substation works for utility, industrial, infrastructure, and power projects, including:

115kV Transmission Line Systems – structure and pole erection, conductor installation, line hardware, insulators, OPGW, grounding, testing, and energization support
115kV Substation Projects – installation and integration of power transformers, high-voltage equipment, switchgear, protection systems, metering, grounding, control systems, and auxiliary equipment
Transmission Line Construction – overhead conductor stringing, tensioning, sagging, hardware installation, pole and structure works, and line accessories
Substation Equipment Installation – transformers, circuit breakers, disconnect switches, CTs, PTs, surge arresters, bus systems, protection panels, and associated equipment
Protection, Control & Metering Systems – installation, wiring, testing, and commissioning of protection relays, CTs, PTs, metering systems, and control circuits
OPGW & Fiber Optic Systems – installation, termination, splicing coordination, and communication support for transmission and protection systems
Grounding & Lightning Protection – substation grounding grids, transmission structure grounding, bonding, surge protection, and lightning protection systems
Testing, Commissioning & Energization Support – pre-energization inspection, equipment testing, protection verification, system checks, and commissioning coordination

Electrical Construction & Power Systems

We undertake complete electrical installation and construction works for industrial and infrastructure projects, including:

Medium-Voltage Distribution Systems – 34.5kV distribution lines, substations, switchgear, reclosers, load break switches, power fuses, protection, and metering systems
Overhead & Underground Power Distribution – pole line construction, overhead conductors, underground XLPE cabling, cable supports, and associated accessories
MV & LV Switchgear Systems – installation, testing, commissioning, retrofit coordination, and maintenance of medium- and low-voltage switchgear
Transformers & Substations – installation, testing, commissioning, and preventive maintenance of dry-type, oil-immersed, and distribution transformers
Power & Control Cable Systems – cable pulling, routing, installation, termination, jointing/splicing, identification, and testing
Cable Tray, Raceway & Support Systems – installation and fabrication of cable trays, supports, wireways, and associated structures
Protection, Control & Metering Systems – installation and testing of protection relays, CTs, PTs, metering devices, and associated control circuits
Grounding & Lightning Protection Systems – grounding network installation, grounding electrodes, bonding, surge protection, and lightning protection works
Pole Erection, Replacement & Relocation – installation and rehabilitation of concrete and steel poles, line hardware, and accessories
General Power & Lighting Systems – installation of electrical distribution, lighting, auxiliary, and building power systems

Testing, Commissioning & Diagnostic Services

Avotech provides specialized electrical testing and commissioning services to verify equipment condition, system integrity, and operational readiness before energization and during preventive maintenance.

Our capabilities include:

High-, Medium- & Low-Voltage System Testing
Power Transformer Testing & Commissioning
Transformer Winding Resistance Testing
Transformer Turns Ratio (TTR) Testing
Insulation Resistance Testing
Contact Resistance Testing
Circuit Breaker Testing
Protection Relay Testing & Secondary Injection
CT & PT Testing
Power Cable Testing
VLF AC Hipot Testing for MV Cables
Grounding System Testing
Power Quality Monitoring & Analysis
Infrared Thermography / Thermal Scanning
Transmission Line Pre-Energization Inspection
Substation Testing & Commissioning Support
System Energization & Operational Verification

We also provide testing and commissioning support for integrated electrical systems, pumping facilities, switchgear, transformers, power and control cables, and associated equipment.

Preventive Maintenance & Electrical Reliability

We provide preventive and corrective maintenance programs designed to improve electrical-system reliability, minimize unplanned outages, and extend equipment service life.

Our services include:

Preventive maintenance of 115kV substations and transmission-line systems
Maintenance of MV and LV switchgear
Transformer inspection, testing, and maintenance
Circuit breaker inspection and maintenance
Power cable inspection and testing
Protection and metering system maintenance
Electrical system condition assessment
Thermal imaging and hotspot detection
Transformer oil filtration, purification, and replacement
Transformer oil testing and analysis
Dissolved Gas Analysis (DGA) coordination
Transformer oil leak repair
Transformer repair and rewinding
Grounding system inspection and maintenance

Power Cable Installation, Splicing & Termination

Avotech specializes in power and control cable works for industrial, infrastructure, utility, and power projects, including:

MV & LV Power Cable Installation
Control & Auxiliary Cable Installation
XLPE Cable Pulling & Routing
MV Cable Termination
MV Cable Jointing & Splicing
LV Cable Termination
Cable Identification & Labeling
Cable Testing Prior to Energization
Cable Restoration & Repair Works

Our teams are experienced in performing cable works under demanding site conditions while coordinating closely with clients, consultants, equipment manufacturers, and other contractors.

Technical Engineering & Project Support

Our services extend beyond installation. We provide technical and project support throughout the entire project lifecycle, including:

Electrical project management and coordination
Transmission line and substation project coordination
Technical coordination with clients, consultants, and EPC contractors
Construction supervision
Testing and commissioning documentation
Method statements and work procedures
Project accomplishment and technical reports
Operation & Maintenance (O&M) documentation
Project handover and closeout support
Electrical system inspection and technical assessment
Emergency electrical restoration support

International Equipment & Material Sourcing

For specialized electrical equipment and materials not readily available locally, Avotech works with international manufacturers and suppliers to provide suitable project solutions.

Our capabilities include:

International sourcing of high-voltage and medium-voltage equipment
Specialized electrical material sourcing
Local and international supplier development
Manufacturer and vendor evaluation
Technical specification and compliance review
Commercial and supplier coordination
Factory inspection and quality assurance
Manufacturing and delivery coordination
Alternative sourcing for critical or specialized project requirements

Fabrication Works

Avotech provides fabrication and assembly support for electrical and power-system projects, including:

Cable trays and wireways
Electrical panel boards
Switchgear-related structures and supports
Equipment mounting structures
Cable supports and brackets
Transformer-related structures
Customized electrical fabrication works

Equipment & Project Support

To support project execution, construction, testing, and maintenance activities, Avotech can provide selected equipment and project resources, including:

Basket / manlift trucks
Truck-mounted cranes
Boom trucks
Generator sets
Specialized electrical testing equipment

Electrical Equipment & Materials Supply

Through our local and international supplier network, Avotech can supply a wide range of electrical and power-system equipment, including:

High-voltage and medium-voltage substation equipment
Power transformers
Low Voltage Cables, Control Cables and Signal Cables
MV switchgear
Load break switches
Circuit reclosers
Power fuses and fuse cut-outs
Surge arresters
MV and LV power cables
XLPE cable accessories and termination kits
Dry-type transformers
Oil-immersed transformers
Distribution transformers
Circuit breakers
Protection relays
Current Transformers (CT)
Potential Transformers (PT)
Electrical metering equipment
Transmission and distribution line hardware
Insulators and line accessories
OPGW and fiber optic accessories
Grounding materials and accessories
Cable trays, supports, and electrical accessories

From low voltage distribution systems to 115kV transmission lines and substations, Avotech Corporation delivers dependable electrical solutions focused on safety, quality, reliability and successful project execution.