Variable Line Ratings Information

Overview

Transpower uses variable line ratings on 12 key circuits around New Zealand. The circuits are listed in the following table.

Circuit
North Island South Island
Atiamuri-Ohakuri-1 (ATI-OHK-1) Edendale- Invercargill-1 (EDN-INV-1)
Ohakuri-Wairakei-1 (OHK-WRK-1)   
Otahuhu-Whakamaru-1 (OTA-WKM-1)  
Otahuhu-Whakamaru-2 (OTA-WKM-2)  
Bombay-Otahuhu 1 (BOB-OTA-1)  
Bombay-Otahuhu 2 (BOB-OTA-2)  
Lichfied-Tarukenga 1 (LFD-TRK-1)  
Lichfied-Tarukenga 2 (LFD-TRK-2)  
Kinleith-Lichfield 1 (KIN-LFD-1)  
Kinleith-Lichfield 2 (KIN-LFD-2)  
Atiamuri-Whakamaru 1 (ATI-WKM-1)  

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

Variable Line Ratings [ xlsx 92.64 KB ]

Related Information

CAN advising of variable line ratings on Atiamuri to Whakamaru circuit 1 [  127.24 KB ] (issued 31 Jan 18)
CAN advising variable line ratings on the Naseby – Roxburgh 1 and Livingstone – Naseby 1 circuits will end on the 30th Aug 17 [  128.48 KB ]
CAN advising variable line ratings will be temporarily implemented on the Naseby – Roxburgh 1 and Livingston – Naseby 1 circuits starting from the 12th July 17 [  127.62 KB ]
CAN Variable Line Ratings (VLRs) Kinleith to Lichfield Tee circuits 1and 2 and Lichfield Tee to Tarukenga circuits 1 and 2 [  205.54 KB ]
CAN advising of Interim Variable Line Ratings (iVLRs) for Otahuhu to Wiri circuits 1 and 2 [  173.67 KB ] (issued 24 Sep 15)
CAN advising of permanent solution to overnight iVLR ratings [ pdf 128.93 KB ] (issued 2 Mar 12)
CAN advising of temporary iVLR rating information [ pdf 134.39 KB ] (issued 20 Jan 12)
CAN advising of temporary iVLR rating information [ pdf 132.05 KB ] (issued 1 Dec 11)

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