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Upper & Top North Island Security

Introduction

The System Operator is facilitating the electricity industry's co-ordinated approach to manage any security of supply issues that might arise for the North Island region north of Huntly.

Live Load Data

The information in these tables is updated every five minutes.

Due to the location of recording equipment at some sites, the load split between retailers for these zones is indicative only.

If the data is not loading please email teamonline@transpower.co.nz.

Update time: 05 Feb 2012 16:10
Upper North Island Load Data
Zone 1 Load 1076.8 MW
Northpower 117.4 MW
Top Energy 20.2 MW
Vector 750.8 MW
Counties Power 83.6 MW
NZ Steel 29.6 MW
Update time: 05 Feb 2012 16:10
Top North Island Load Data
GZ 1 Load 421.7 MW
Northpower 117.4 MW
Top Energy 20.2 MW
Vector Northern 261.7 MW
Henderson Otahuhu Line Limit915.0 MVA

Latest Zone Load Graphs

These graphs are published Monday to Friday (business days only) and show the loads for the previous business day.

Zone 1 Load (Upper North Island)

Updated 03 Feb 2012 20:00
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GZ 1 Load (Northland)

Updated 03 Feb 2012 20:00
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Historical Zone Load Peaks

Top 10 now reflects Summer daily peaks.
Zone 1 Load Date GZ 1 Load Date
1749.75 13/12/11 14:40   621.35 20/10/11 08:45
1709.58 20/10/11 09:05   614.65 01/11/11 18:30
1671.32 09/11/11 08:45   597.40 09/11/11 08:15
1664.79 10/11/11 08:50   596.79 12/12/11 18:00
1651.22 07/11/11 08:05   594.91 10/11/11 08:15
1649.85 08/11/11 08:05   594.73 25/10/11 08:00
1645.36 09/12/11 10:00   590.62 08/11/11 08:10
1645.16 01/11/11 18:00   590.02 21/10/11 08:45
1639.80 24/11/11 08:15   584.75 07/11/11 08:05
1635.21 21/10/11 09:25   582.18 03/11/11 07:45

Presentations

Meeting Minutes

  • For more 2006 UNIS presentations/minutes contact Janna Twydle

Reports

Weather Data

Winter Chill Index

The MetService provide 24 hour Winter Chill Index information via their MetConnect website.