Find Underground Cables

We offer a locate and mark out service for underground electricity and fibre cables which we own. This is free of charge to customers connected to our network wanting to locate cables at or near the property boundary. We also provide this service free of charge to owners of private land where underground network cables are located.

For privately owned cables including the service main located on your property, Unison offers a location service for which charges may apply (see the schedule of charges below). Unison customers connected to the network are eligible for one location service for privately owned cables free of charge per annum.

For ALL infrastructure owners, utility asset owners (including territorial authorities) and ALL utility corridor contractors working in the utility corridor Unison offers a location service for which charges apply (see the schedule of charges below).

Cable Location and mark-out service charges (all charges are shown exclusive of GST);

Adhoc residential cable locations and mark-outs


Provision of plans


Travel, locating and mark-out time (8:30am – 4:30pm Mon-Fri)




Urgent or after hours service

Surcharge applies

The Actual Fee will be based on time and mileage. A privately owned service main cable is defined as the cable from the road boundary of a property to where it enters the house/primary building

This service ensures any digging you intend to carry out can be done without any risk of hitting underground Unison-owned electricity or fibre-optic cables.