Detanking the 66 KV transformer at Islington substation.
Substation near Harewood aerodrome.
Transformers and grid at the Addington Power House and Substation.
Close-up of transformer banks at the Addington Power House and Substation.
View of a Municipal Electricity Department substation on Meadowville Avenue in Spreydon looking towards the intersection with Simeon Street and south to the Port Hills.
View of a Municipal Electricity Department substation on a pole outside a house in an unknown residential area.
View of the Municipal Electricity Department Scarborough Substation, Tram Loop.
View of a Municipal Electricity Department former substation at Murphy's Brickworks on Centaurus Road in Huntsbury.
Interior of dials monitoring power and voltage at the Addington Power House and Substation.
Close-up of machinery by Metropolitan Vickers at the Addington Power House and Substation.
Exterior of the Islington station condenser house.
A group of engineers inspecting the transformers at Islington substation.
View of transformers at the Islington substation.
View of the Islington substation under construction with workmen in the foreground.
Interior of Islington substation showing the travelling crane and condensers.
Exterior of the Islington Substation. The full output of the Lake Tekapo power station is being brought direct to the substation.
View across the transformers to the surrounding area at the Islington substation.
Bruce Tudehope, a second year apprentice, wires the controls for the fans at Islington substation. In the background, on top of one of the transformers Mr Peter Thomson connects a neutral bus bar.
A man sitting in the control room of the Islington substation. The substation is the largest home electricity supply point in the South Island.
Municipal Electricity Department (MED) sub station in Olliviers Road.
Substation on Olliviers Road.
Central Canterbury Electric Power Board fibreglass substation.