Power ratings of transmission network in NZ

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Last post 22 September 2023

singas posted this 15 September 2023

Is there a consolidated document which enlists the power ratings of various transmission lines (all voltages or atleast 220kV and above) as shown below for both North and South Islands?

Best,
Ashish

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welml posted this 17 September 2023

Hi Ashish, see here for Transpower's data.

https://www.transpower.co.nz/our-work/industry/our-grid/grid-capability-and-configuration

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singas posted this 22 September 2023 - Last edited 22 September 2023

Thanks welml for providing with the information. The information is indeed helpful.

I am wondering if there's an easy way to calculate transmission capacity (MVA) amongst various regional zones in North and South Island. For example- in the North Island, what is the total MVA between Auckland regional zone and Waikato regional zone?

The regional zones as indicated by Transpower in their Transmission Planning Report as follows:

7 NORTHLAND REGIONAL PLAN .................................................................................... 93

8 AUCKLAND REGIONAL PLAN .................................................................................... 108

9 WAIKATO REGIONAL PLAN ........................................................................................ 133

10 BAY OF PLENTY REGIONAL PLAN ............................................................................ 163

11 CENTRAL NORTH ISLAND REGIONAL PLAN ........................................................... 192

12 TARANAKI REGIONAL PLAN ...................................................................................... 214

13 HAWKE′S BAY REGIONAL PLAN ............................................................................... 230

14 WELLINGTON REGIONAL PLAN ................................................................................. 245

15 NELSON-MARLBOROUGH REGIONAL PLAN ........................................................... 266

16 WEST COAST REGIONAL PLAN ................................................................................. 275

17 CANTERBURY REGIONAL PLAN ................................................................................ 292

18 SOUTH CANTERBURY REGIONAL PLAN .................................................................. 311

19 OTAGO-SOUTHLAND REGIONAL PLAN .................................................................... 335

Power ratings of transmission network in NZ

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