SAFER, STRONGER,
MORE POWERFUL
NETWORKS
HV ELECTRICAL

READ CAPABILITY BROCHURE

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.

Clients with challenging projects who want to avoid disruption to their business seek out our expertise in technical and hazardous construction and our experience in working on live sites.

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.

excavator demolishing the transpower control room at penrose auckland
Penrose Old Control Building Demolition

Penrose Old Control Building Demolition

aerial photo of vector riverhead substation work in progress
Riverhead Substation

Riverhead Substation

exterior of switchroom building at horseshoe bush road cassidy construction
Horseshoe Bush Road Switchroom

Horseshoe Bush Road Switchroom

drone aerial view of vector sandspit substation after completion
Sandspit Substation

Sandspit Substation

Vector Māngere Switchroom progress
Vector Māngere Switchroom

Vector Māngere Switchroom

M3 vessel civil works at Te Mihi power station by Cassidy Construction
Te Mihi Power Station M3 Vessel Civil Works

Te Mihi Power Station M3 Vessel Civil Works

external view of the counties energy switchroom at opaheke with completed seismic strengthening
Ōpaheke & Tuakau Seismic Strengthening

Ōpaheke & Tuakau Seismic Strengthening

view of precast walls from inside at Powerco arahina site
Powerco Arahina Stage 2

Powerco Arahina Stage 2

aerial view of site with precast panels and crane te mihi electrical buildings
Te Mihi Electrical Buildings

Te Mihi Electrical Buildings

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 Road Substation

Barber Road Substation

Pōkeno Substation

Pōkeno Substation

Flat Bush Substation by Cassidy Construction
Flat Bush Substation

Flat Bush Substation

Atkinson Substation

Atkinson Substation