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Appendix 4: Transpower's Committed and Proposed Projects 2006-2016


This Document is Archived


The Merits and Potential Scope of National Guidance on the Management of Electricity Transmission under the RMA: Report of the Reference Group

Reference Group on Electricity Transmission
[ Last Updated 21 August 2006 ]


96

Within this section …

Backbone Grid Projects

North Island

  • New 400 kV double circuit transmission line between Otahuhu and Whakamaru
  • Thermal upgrade of the 220 kV Otahuhu and Whakamaru 1 and 2 circuits
  • 30 Mvar capacitor at Bombay 110 kV substation
  • New 220 kV switching station at Huntly East to bus 220 kV Huntly-Otahuhu and Otahuhu-Whakamaru circuits
  • Thermal upgrade of the 220 kV Rangipo-Wairakei 1 circuit
  • Thermal upgrade of the 220 kV Bunnythorpe-Haywards 1 and 2 circuits
  • 24 Mvar capacitor at Kaitaia
  • +/- Mvar SVC at Albany
  • 100 Mvar capacitors at Albany

HVDC

  • HVDC Pole 1 Replacement
  • HVDC Control System replacement
  • New HVDC submarine cables

South Island

  • Third 220 kV Islington- Kikiwa circuit
  • Duplexing the 220 kV Islington-Livingstone circuit
  • Bussing the 220 kV Islington-Twizel circuit at Ashburton
  • Reconducting the 220 kV Aviemore-Waitaki-Livingstone circuits

Regional Projects

North Island

  • New supply transformer at Hepburn Road and upgrade existing unit (Northland)
  • 100 Mvar capacitors at Hepburn Road
  • 60 Mvar Synchronous Condenser contract rollover replacement
  • New supply transformer at Albany
  • Thermal upgrade of the two 220 kV Henderson-Otahuhu circuits
  • Reconnect existing 110 kV Otahuhu-Pakuranga line
  • Two new 50 Mvar capacitors at Penrose
  • Thermal upgrade of the 220 kV Otahuhu-Penrose circuits
  • New 110 kV switching station at Hairini (Bay of Plenty)
  • Replace conductor on 110 kV Hairini-Tauranga circuits
  • New 25 Mvar capacitor at Tauranga 110 kV bus
  • Supply transformer replacement at Dannevirke
  • Supply transformer replacement at Carrington St (Taranaki)
  • Supply transformer replacement at Gisborne

South Island

  • Replace Stoke interconnecting transformer
  • New 110 kV Blenheim-Stoke circuit
  • Replace Kikiwa interconnecting transformer (West Coast)
  • New 220 kV interconnection at Culverden
  • New 220 kV intercomnnection at Waipara
  • 33 Mvar capacitors at Southbrook
  • New grid exit point at Black point (South Canterbury)
  • Supply transformer replacement at Invercargill.

96 A number of these projects are subject to Electricity Commission approval.


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