Substation construction and maintenance require a highly specialized array of power lines equipment to ensure safety, precision, and reliable operation:

• Heavy Lifting Equipment: Cranes (mobile, crawler, overhead) are indispensable for positioning large, heavy components like transformers, circuit breakers, reactors, and switchgear.

• Conductor Stringing and Busbar Fabrication Equipment: While large stringing machines might not be used within the immediate substation footprint, smaller pullers, tensioners, and specialized conductor tools are needed for busbar installation, connecting incoming/outgoing transmission lines, and internal wiring.

• Grounding and Earthing Equipment: Essential tools and machinery for creating effective grounding grids, including earth rod drivers, excavation equipment, and specialized welding tools for exothermic connections.

• Testing and Diagnostic Equipment: A wide range of electrical testing devices (e.g., transformer turns ratio testers, insulation resistance testers, circuit breaker analyzers, partial discharge detectors) are critical for commissioning and routine maintenance to ensure asset health.

• Insulator and Bushing Maintenance Tools: Specialized cleaning equipment, re-tensioning tools for hardware, and replacement tools for insulators and bushings.

• Oil Processing Equipment: For fluid-filled transformers, oil purification, filtration, and degassing units are vital for maintaining dielectric strength.

• Civil Construction Equipment: Excavators, bulldozers, compactors, and concrete mixers are necessary for site preparation, foundation work, trenching, and civil structures within the substation.

• Safety Equipment: Comprehensive personal protective equipment (PPE), grounding devices, insulating mats, and lockout/tagout systems are paramount.