NS122

NS122: Pole Mounted Substation Site Selection and Construction 

This Network Standard sets out the requirements for site selection and construction of pole mounted substations used for the reticulation of electricity to domestic, commercial and industrial customers supplied by Ausgrid.

Scope

This Network Standard applies to:

• 11kV/433 Volt 3-phase pole substations
• 11kV/500-250 Volt single phase pole substations
• 22kV/500-250 Volt single phase pole substations  

This standard does not apply to:

• Single Wire Earth Return (SWER) installations
• 22kV/433 Volt 3-phase pole substations
• 33kV/433 Volt 3-phase pole substations.
• Zone or sub-transmission substations, 11kV regulators or auto transformers 

Note to Accredited Service Providers: 
Accredited Service Providers are advised to make sure they refer to Master Drawing Option List for 11kV and 22kV single phase and 3-phase pole substations, shown in Appendix B. This list is essential for ensuring the correct construction methods and equipment selection for each substation.