MainPower NZ Ltd

There’s an emergency

To report an emergency fault, such as fallen power lines, transformer fire or tree branches on power lines, immediately call 111 or MainPower's 24-Hour faults line 0800 30 90 80.

MainPower NZ Ltd

Report an outage

Power out?

Are you experiencing a power outage at your place?

Check out our troubleshooting tips or call MainPower's 24-Hour faults line 0800 30 90 80.

MainPower NZ Ltd

Our planned outages

Sometimes we’ll need to turn off power to some areas for line maintenance.

View all planned outages.

MainPower NZ Ltd

Compliments and concerns

As a MainPower Customer you have the right to quality services, and a safe and reliable supply of electricity. Click here to find out about our complaints process.

Please note that it may take up to 2 working days to hear back from MainPower after submitting the form. Please call 0800 30 90 80 if the matter is urgent and needs to be attended to sooner.


Contact details

  • Phone
    0800 30 90 80
  • Head office physical address
    172 Fernside Road, Rangiora
  • Postal address
    PO Box 346, Rangiora 7440

Business hours

  • Head office
    • 8:00am - 4:30pm, Monday to Friday

Areas serviced

  • North Canterbury:
    • Waimakariri
    • Hurunui
    • Kaikoura