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HV Substations up to 400 kV & MV/LV Distribution Systems

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HV Substations up to 400 kV & MV/LV Distribution Systems

ENGICONT provides comprehensive Engineering, Procurement, and Construction (EPC) services for high-voltage substations up to 400 kV, as well as medium- and low-voltage (MV/LV) distribution systems, delivering safe, reliable, and efficient power infrastructure solutions for transmission networks, utilities, industrial facilities, and large-scale energy projects.

Scope of EPC Services

ENGICONT’s services cover the complete project lifecycle, including:

Feasibility studies and grid impact assessments
Conceptual, basic, and detailed engineering
Procurement of primary and secondary electrical equipment
Civil works, electromechanical installation, and system integration
Testing, commissioning, energization, and final handover

HV Substations (Up to 400 kV)

ENGICONT designs and delivers AIS, GIS, and hybrid substations for voltage levels up to 400 kV, fully compliant with IEC, IEEE, and utility grid codes.

Engineering and Design Services include:

Substation configuration and layout development
Single-line diagrams and protection philosophies
Primary equipment selection:
Power transformers (including OLTC systems)
Circuit breakers, disconnectors, earthing switches
Current and voltage transformers (CTs, VTs/CVTs)
Secondary systems engineering:
Protection, control, and automation systems
SCADA and remote control integration
Metering, disturbance recording, and communication systems
Grounding, earthing, and lightning protection systems
Substation auxiliary systems:
AC/DC power supply systems, batteries, UPS
Fire detection and fire-fighting systems
HVAC, lighting, and security systems

MV/LV Distribution Systems

ENGICONT provides fully integrated MV and LV distribution solutions designed to ensure operational reliability, safety, and flexibility, including:

MV switchgear (air-insulated and gas-insulated)
LV switchboards, power distribution panels, and MCCs
Cable routing, trenching, tray systems, and containment
Load studies, short-circuit analysis, and protection coordination
Power quality, redundancy, and system availability solutions
Integration with HV substations, renewable energy plants, and industrial facilities

Procurement & Supply Chain Management

ENGICONT manages procurement through a structured and transparent process, including:

Preparation of technical specifications and equipment datasheets
Vendor prequalification and technical bid evaluation
Factory Acceptance Tests (FAT) and third-party inspections
Logistics coordination, transportation, and site delivery

Construction & Installation

ENGICONT executes all construction and installation activities in compliance with approved quality and HSE plans, including:

  • Civil works and foundations for substation structures and equipment
  • Installation and erection of HV, MV, and LV equipment
  • Busbar installation and alignment
  • HV, MV, and LV cable laying, termination, and jointing
  • Integration of protection, control, automation, and SCADA systems

Testing, Commissioning & Energization

ENGICONT performs comprehensive pre-commissioning and commissioning activities to ensure safe and reliable operation, including:

  • Visual and mechanical inspections
  • Electrical testing of transformers, switchgear, and protection systems
  • Functional testing of control, interlocking, and communication systems
  • System energization and grid synchronization
  • Performance verification and final handover documentation

Quality, Safety & Compliance

ENGICONT places strong emphasis on quality assurance, health and safety, and regulatory compliance. All works are executed in accordance with:

Approved Quality Plans and Inspection & Test Plans (ITPs)
International standards (IEC, IEEE, ISO)
Utility requirements and local regulations
FIDIC-aligned EPC contractual obligations

Through its technical expertise, structured execution approach, and commitment to excellence, ENGICONT delivers high-voltage substations and MV/LV distribution systems that ensure long-term reliability, operational safety, and efficient power delivery.