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SAFER, STRONGER,
MORE POWERFUL
NETWORKS
HV ELECTRICAL

The high-voltage electrical sector demands the very highest standards of construction capability to ensure that projects are completed safely and without disruption to essential networks.

With Cassidy Construction you have a contractor partner with a deep understanding of the highly specialised high-voltage electrical environment and an extensive track record of delivering safe and successful projects in the sector.

Our self-performing capability allows us to draw on highly qualified specialist teams, control processes and procedures, and ensure safe, timely delivery of your asset to the utmost quality.

vector mount albert zone substation t1 replacement cassidy construction
Vector Mount Albert T1 Replacement

Vector Mount Albert T1 Replacement

uni pak reactor concrete pour cassidy construction action
UNI PAK Reactor

UNI PAK Reactor

mangawhai central substation cassidy construction
Mangawhai Central Substation

Mangawhai Central Substation

opunake switchroom by Cassidy Construction for powerco
Ōpunake Switchroom

Ōpunake Switchroom

Vector Hauraki Transformer for Vector Limited by Cassidy Construction
Vector Hauraki Transformer Bay

Vector Hauraki Transformer Bay

Penrose substation control buildings cassidy construction
Penrose Substation Control Building

Penrose Substation Control Building

tuatara steamfields aerial photo Cassidy Construction
Tauhara Steamfields

Tauhara Steamfields

barber rd substation for counties energy cassidy construction
Barber Rd Substation

Barber Rd Substation

Pōkeno Substation

Pōkeno Substation

Flat Bush Substation by Cassidy Construction
Flat Bush Substation

Flat Bush Substation

Atkinson Substation

Atkinson Substation