Substations

Services Overview

Grid Mule offers comprehensive substation services, supporting construction, expansion, and maintenance of renewable, industrial, and utility network infrastructure. Our team delivers safe, reliable, and code-compliant work at every stage, from new builds to upgrades, maintenance, repairs and third party warranty service.

Construction

  • New Substation Builds – Construction services for EPCs.
  • Expansion Bays – Adding interconnect capabilities and capacity to existing electrical substations.
  • Switchyard Construction – Includes steel erection, buswork, and terminations.
  • Grounding & Control Systems – Complete installation of ground grids and control house wiring.
  • Transformer Installation – Power transformer setting and connection.

Upgrades & Retrofits

  • Breaker Change-Outs – Replacement of aging oil, SF6, or vacuum breakers.
  • Bus Bars / Switchgear Upgrades – Modernization of buswork and switchgear for improved performance.
  • Relay & Protection System Upgrades – Enhanced reliability with new relays, CTs/VTs, and updated settings.
  • SCADA & Controls Integration – Communications, RTUs, and remote access upgrades.
  • Capacitor Bank Installations – Voltage support and power factor correction solutions.

Maintenance & Repairs

  • Preventive Maintenance Programs – Scheduled inspections, infrared scanning, torque checks, and cleaning.
  • Predictive Testing & Diagnostics – Advanced analysis using Doble SFRA (Sweep Frequency Response Analyzer) and power factor testing.
  • Corrective Repairs – Troubleshooting and component replacement.
  • Emergency Restoration – Rapid mobilization for storm damage or outage recovery.
  • Protective Relay Testing & Commissioning – Verification of relay settings and trip logic.

Warranty

  • IPP & EPC Support – Performing warranty work on behalf of project owners and contractors.
  • Corrective Repairs & Replacement – Resolving equipment or component issues quickly.
  • Quality Assurance – Work performed to OEM and project specifications.
  • Owner Confidence – Reliable support to protect system integrity and reputation.

Services

We deliver highly specialized electrical construction solutions for utility, industrial, and power generation projects.
Our core service offerings include:


Cable Splicing & Termination

Premium MV splicing and termination services that deliver reliability.


MV Cable Pulling

Providing safe, efficient, and reliable cable pulling services nationwide.

 
 


Switching Capabilities

Safe, controlled switching solutions ensure the systems run without interruption.


Substations

Greenfield, retrofit and expansion substation builds on budget and schedule.


Warranty Work

Dedicated warranty support that safeguards investment and project longevity.


Commissioning

Proven commissioning processes ensure flawless startups and dependable long-term operations.