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SUBSTATION INSTALLATION

SPK Group > SUBSTATION INSTALLATION

Reliable execution, precision, long-term value

What included at this service?

  • SITE PREPARATION & EARTHING
  • STRUCTURAL & GANTRY ERECTION
  • PRIMARY EQUIPMENT INSTALLATION
  • CONTROL, PROTECTION & AUXILIARY SYSTEMS
  • CABLE INSTALLATION & TERMINATION
  • TRANSMISSION & ASSOCIATED INSTALLATION
  • INSTALLATION INSPECTION & PRE-COMMISSIONING

COMPLETE SUBSTATION INSTALLATION FROM ERECTION TO READY-TO-COMMISSION

SPK Power Infra provides comprehensive substation installation and erection services for electrical power infrastructure ranging from 11kV to 765kV. Our experienced engineering teams manage the installation of primary equipment, secondary systems, structures, cabling and auxiliary systems with precision, safety and technical expertise.

 

From site preparation and equipment erection to electrical installation and pre-commissioning support, we coordinate every stage of the installation process to ensure reliable and efficient project execution. Our approach combines skilled manpower, specialized equipment and disciplined site practices to meet project specifications, applicable standards and client requirements.

Working Process

Our structured installation process ensures that every stage of substation erection is carefully planned, coordinated and executed. From initial site preparation to final installation checks, our teams focus on safety, quality, accuracy and readiness for commissioning.

01_SITE PREPARATION & EARTHING

We begin by preparing the substation site and establishing the necessary foundations, earthing systems and supporting infrastructure required for safe and efficient equipment installation.

Activities

  1. Earth mat and riser installation
  2. Equipment foundation preparation
  3. Earthing and bonding works
  4. Equipment support preparation
  5. Cable trench and associated infrastructure
  6. Site readiness and installation coordination

02_STRUCTURAL & GANTRY ERECTION

Our teams undertake the erection of gantries, steel structures and equipment supports required for substation primary equipment and associated electrical systems.

Activities

  1. Gantry erection
  2. Steel-structure installation
  3. Equipment support structures
  4. Bus-support structures
  5. Structural alignment and positioning
  6. Mechanical fastening and installation checks

03_PRIMARY EQUIPMENT INSTALLATION

SPK provides installation and erection of major primary electrical equipment within substations, ensuring correct positioning, alignment and mechanical installation in accordance with approved project requirements.

Equipment

  1. Power transformers
  2. Auxiliary transformers
  3. Current Transformers (CT)
  4. Potential Transformers (PT)
  5. Capacitive Voltage Transformers (CVT)
  6. Circuit breakers
  7. Disconnectors
  8. Earth switches
  9. Insulators
  10. Lightning arresters

04_CONTROL, PROTECTION & AUXILIARY SYSTEMS

Our installation scope extends to secondary systems that support substation control, protection, monitoring and auxiliary power requirements.

Activities

  1. Control panel installation
  2. Protection and relay panel installation
  3. Marshalling kiosk installation
  4. Battery system installation
  5. Battery charger installation
  6. AC/DC auxiliary systems
  7. Control and protection cabling
  8. Panel interconnections

05_CABLE INSTALLATION & TERMINATION

We undertake complete cable installation activities connecting primary equipment, control systems and auxiliary systems across the substation.

Activities

  1. HV cable laying
  2. MV cable laying
  3. LV cable laying
  4. Control cable installation
  5. Cable tray installation
  6. Cable routing and dressing
  7. Cable termination
  8. Cable identification and labelling
  9. Cable jointing where applicable

06_TRANSMISSION & ASSOCIATED INSTALLATION

SPK also undertakes associated transmission infrastructure installation works supporting the connection of substations to the wider power transmission network.

Activities

  1. Optical Ground Wire (OPGW) installation
  2. Transmission line erection
  3. Associated structural works
  4. Electrical connections
  5. Equipment-to-line interface works

07_INSTALLATION INSPECTION & PRE-COMMISSIONING

Before handing the installation over for testing and commissioning, our teams conduct systematic inspections and verification of installed equipment, connections and systems to ensure installation readiness.

Activities

  1. Installation inspection
  2. Equipment alignment verification
  3. Connection checks
  4. Cable and termination inspection
  5. Earthing verification
  6. Panel and auxiliary-system checks
  7. Documentation and installation records
  8. Readiness for testing and commissioning