Our trees and vegetation are an iconic part of the mighty Waikato landscape. But if they're not maintained they can threaten electricity supply and everyone's safety. You can help keep our power supply strong and your community safe.

Why do I need to trim my trees?

  • As a property owner, you are responsible for trees inside your property. Our team takes care of everything else outside the boundary.
  • Trees and vegetation growing near power lines cause a fifth of unplanned outages to power supply. They can also put the safety and security of the wider lines network at risk.
  • When trees touch live power lines they can cause electrocution
  • Even when trees appear to be well clear of the lines they still pose a threat to the power supply during storms and strong winds.

WEL Networks owns the electricity distribution network (assets) throughout the Waikato. However we generally don't own the lines on private property, known as service lines.

This includes any poles, cross arms, underground cables and insulators. If your service lines are shared, for example down a right of way, then you all share ownership of the lines and equipment and you have shared responsibility for maintenance.


Who's responsible for what?

Our professional arborists are out and about managing vegetation every day, however it’s your responsibility to keep trees within your property well away from any service lines (lines within your property). A “clear zone” (see image below) known as the Growth Limit Zone is required around the lines at all times.

Any trees growing within your property, but reaching over onto the roadside reserve are also your responsibility.


How much clearance is required and what are the rules?

A “clear zone” (known as the Growth Limit Zone) is required around the lines at all times. The minimum clearance requirements are below.

If your trees are within one metre of the growth limit zone you'll receive a hazard notification letter providing options on trimming or felling dangerous trees.

We're obliged to undertake work to remove that danger; however, you are responsible for preventing the hazard in the first instance.
A tree owner commits an offence if when given a hazard notice to trim or fell a tree, and without reasonable excuse, fails to take any action to have the hazard removed.



This year WEL Networks is distributing $20 million into the community through the WEL Networks discount.

Make sure to check your April and May power bill to ensure you receive your credit.