We’ve got spares on-hand to get power restored quickly and safely

Powerco’s electricity network is designed and maintained to ensure a reliable power supply to our customers.

If there’s a critical equipment failure though, we need ‘strategic spares’ on hand so the network can be repaired, and power restored quickly and safely.

While our fault contractors have the likes of power poles, cables and fuses in stock, strategic spares, such as power transformers, high-capacity underground cables, ring main units, and critical protection and control equipment, aren’t easily sourced – with lead-in times of many months.

So, during 2020-21, we carried out a review of the different types of equipment on our electricity network, including the required repair times and the risk to supply for specific equipment failures.

The result? We now have more than $3 million of network equipment in stock to continue to ensure a reliable power supply to our customers.

A key element of the project is the use of our SAP business software, which gives us the ability to see what spares we’ve got, where they are and when we purchased them.

“It allows us to effectively manage the materials, where previously we never had that level of control or visibility,” Electricity Commercial and Contracts Manager Kieran O’Neill says.

“In the past, someone would buy spares and they would go into a box, or they would go into the warehouse, and it was hard to know or see what was available when needed. Because they don’t get used every day, there was the risk of them being forgotten or lost. Not anymore.”

Electricity Commercial and Contracts Manager Kieran O’Neill with a ‘strategic spare’ ring main unit at our New Plymouth warehouse.

Milestones

Construct new substation building

The first part of the South Waikato Grid Connection project is to replace the building - which doesn’t meet earthquake resilience standards - and upgrade the equipment at the Putaruru substation.

Route for new circuit between Arapuni and Putaruru confirmed

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Planned power cut during this period

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Construction of the circuit and new transformer at Putaruru substation

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2020
2020
June 2020
July 2020

UPDATES

Find out the latest updates about this project

FAQ

We strive to minimise impact in the design and placement of network infrastructure and we’re still planning and consulting on the route for the new circuit. The circuit will be a mix of overhead lines – which you will see, and underground cable – which you won’t see. You’ll also see a new building at our Putaruru substation, replacing the ageing existing building there.

We can never guarantee supply 100% of the time, however, the number and length of outages you experience will be reduced.  

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Downloads

2020

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