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Major projects

Our major projects focus on ensuring a reliable, sustainable electricity network for our communities.

From infrastructure upgrades to innovative renewable energy solutions, we’re committed to future-proofing the network. Explore how these projects enhance resilience, efficiency, and support the growing demand for clean, reliable power in our region

Thongcaster Road Solar Project

MainPower has applied for resource consent to construct a solar farm on a 10 hectare site at Thongcaster Road. It…

Cheviot to Oaro Sub-Transmission Line Upgrade

MainPower’s sub-transmission line between Oaro and Cheviot is constructed at 66 kV however is currently operating at 33 kV. This…

Amberley Zone Substation

Currently the Amberley township has approximately 2,100 residents, with a combination of business / commercial, urban (township) residential and rural…

Hanmer Springs Sub-Transmission Line Upgrade

Upgrading the line that supplies electricity to Hanmer Springs from 33 kV to 66 kV. While Hanmer Springs does not…

Hanmer Springs Substation

As part of MainPower’s planning for future capacity, as well as the retirement of end-of-life assets, we are going to…

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If you need some assistance or advice, please get in touch with our team.

Outage notifications

MainPower Holiday Closure

MainPower offices will be closed from Friday 20th December to Monday 6th January.

We will still be attending faults during this period.

Is your outage not listed?

Troubleshoot your outage
Treat all lines as live during the outage period; power may be restored at any time. If you require further information, please call MainPower’s 24-hour fault line to report an emergency call 111.

Outage notifications

MainPower Holiday Closure

MainPower offices will be closed from Friday 20th December to Monday 6th January.

We will still be attending faults during this period.

Is your outage not listed?

Troubleshoot your outage
Treat all lines as live during the outage period; power may be restored at any time. If you require further information, please call MainPower’s 24-hour fault line to report an emergency call 111.

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