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Interim Variable Line Ratings

Overview | Related Information

Overview

Transpower is trialling variable line ratings on  six key circuits around New Zealand from 24 November 2011.

The circuits are listed in the following table.

Line  
 Circuit 
Otahuhu-Whakamaru A Otahuhu-Whakamaru-1 (OTA-WKM-1)
Otahuhu-Whakamaru B Otahuhu-Whakamaru-2 (OTA-WKM-2)
Wairakei-Whakamaru A Atiamuri-Ohakuri-1 (ATI-OHK) 
Wairakei-Whakamaru A Ohakuri-Wairakei-1 (OHK-WRK) 
Roxburgh-Twizel A Clyde-Roxburgh-1 (CYD-ROX-1)
Roxburgh-Twizel A  Clyde-Roxburgh-2 (CYD-ROX-2)

The file below contains the variable ratings that are being used on the trial circuits. 

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Interim Variable Line Ratings (revised 20 Jan 12) [54kB]

Related Information

For more information on the Line Ratings Project visit the Project page on Grid New Zealand Website

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CAN issued 20 Jan 12 advising of temporary iVLR rating information [134kB]

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CAN issued 1 Dec 11 advising of temporary iVLR rating information [132kB]