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Upper & Top South 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 South Island Region north of the Waitaki Valley.

Live Load Data

The live load data information is available for the duration of the South Island transmission tactical upgrade program.

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

The information in these tables is updated every five minutes.

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

Update time: 20 Mar 2010 08:30
Upper South Island Load Data
Zone 3 Real Time VSAT Limit987.8 MW
Zone 3 Load 718.2 MW
Zone 3 Margin269.6 MW
Zone 3 AUVLS enabledNo
Electricity Ashburton 71.0 MW
Marlborough Lines 47.3 MW
Buller Electricity 10.3 MW
Network Tasman 93.7 MW
Alpine Energy Ltd 80.5 MW
Mainpower 63.3 MW
Orion 322.5 MW
Westpower 29.6 MW
Update time: 20 Mar 2010 08:30
Top South Island Load Data
Zone 9 Real Time VSAT Limit271.8 MW
GZ 9 Load 170.3 MW
Zone 9 Margin101.5 MW
Zone 9 AUVLS enabledNo
Marlborough Lines 47.3 MW
Buller Electricity 10.3 MW
Network Tasman 93.7 MW

Latest Zone Load Graphs

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

Zone 3 Load (Upper South Island)

Updated 18 Mar 2010 20:00
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GZ 9 Load (Nelson)

Updated 18 Mar 2010 20:00
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Historical Zone Load Peaks

Top 10 now reflects Summer daily peaks.
Zone 3 Load Date GZ 9 Load Date
1042.66 11/11/09 09:00   218.40 21/10/09 08:40
1011.98 01/12/09 08:05   215.89 09/03/10 08:05
1004.59 30/11/09 16:40   215.89 09/03/10 08:05
994.88 29/10/09 08:05   215.89 09/03/10 08:05
991.36 20/10/09 08:10   215.89 09/03/10 08:05
986.00 18/11/09 08:20   215.89 09/03/10 08:05
981.71 18/03/10 08:15   215.89 09/03/10 08:05
977.67 27/10/09 08:10   215.89 09/03/10 08:05
975.60 14/12/09 12:00   215.84 04/03/10 11:30
972.31 17/11/09 08:05   215.84 04/03/10 11:30

Presentations

Meeting Minutes

  • For 2006 USIWS presentations/minutes contact Janna Twydle

Weather Data

Winter Chill Index

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