Powerlines and trees 



A large tree I planted several years ago is getting close to the overhead powerlines in front of my house. Who is responsible?

Trees that are too close to powerlines can cause a public hazard. It is the tree owner’s responsibility to keep trees trimmed to a safe distance away from powerlines. Most electricity companies or line companies will pay for the cost of the first trimming or you can give them permission to remove the offending tree at no cost to you. You will need to ask if this applies to you. For more information contact your electricity provider.


I want to plant a tree in my front yard but am not sure if there are underground power cables there. What is the best way to check?

Never start digging without locating underground cables and services such as water and sewer lines. If you’re not sure where power cables run you can check with the power companies in your area. They should be able to locate and mark the position of the cables. Be careful as cables are not laid in a straight line and can vary in depth.

If you suspect damage to a cable then contact the owner power company right away.

You should also check whether there are any other underground services in the area you want to dig. Your local council can tell you about any local utilities such as water, stormwater and sewerage drains.

Energy Safety (a division of the Ministry of Economic Development) recommends that you hire a location service contractor, as they specialise in locating underground cables and other services.