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Decision
This page includes the Commission's notice of intention in respect of Transpower's North Island Grid Upgrade Proposal, various documents that the Commission considered in making its decision, and details of the briefings the Commission is holding to explain the reasons for its decision.
Notice of Intention
On 31 January 2007, in accordance with rule 15.1 of section III of part F of the Electricity Governance Rules 2003, the Commission published a notice of its intent to approve Transpower's Proposal.
Request to hold a public conference
The Commission received several requests for a public conference under rule 15.2 of section III of part F of the Electricity Governance Rules 2003 and has agreed to hold a public conference. The purpose of the public conference is to provide a final opportunity for comment in relation to Transpower’s Proposal.
The public conference process includes the opportunity to make written submissions about the Commission’s decision.
Following the public conference, the Commission may confirm or amend the Proposal, or decline it and publish reasons.
The Commission was assisted in its decision making by analysis of the information provided by Transpower, and analysis carried out by Commission staff and advisers. In particular, the results of the Commission's economic analysis are contained in the report below:
As part of its process to explain the decision, the Commission held a number of public briefings in late February and early March.
Presentations from briefings held in Auckland, Hamilton and Hunua
.
Return to Auckland grid upgrade page
Notice of Intention
On 31 January 2007, in accordance with rule 15.1 of section III of part F of the Electricity Governance Rules 2003, the Commission published a notice of its intent to approve Transpower's Proposal.
Request to hold a public conference
The Commission received several requests for a public conference under rule 15.2 of section III of part F of the Electricity Governance Rules 2003 and has agreed to hold a public conference. The purpose of the public conference is to provide a final opportunity for comment in relation to Transpower’s Proposal.
The public conference process includes the opportunity to make written submissions about the Commission’s decision.
Following the public conference, the Commission may confirm or amend the Proposal, or decline it and publish reasons.
This document explains key aspects of the context and background to the decision, as well as the decision itself. It is not intended to be comprehensive and it is provided for information only.
This document sets out in detail the reasons for the Commission's decision, which was announced in the Notice of Intention to approve the Proposal. The document also includes the minority views of Commissioner Pinnell.Supporting (expert) documents
The Commission was assisted in its decision making by analysis of the information provided by Transpower, and analysis carried out by Commission staff and advisers. In particular, the results of the Commission's economic analysis are contained in the report below:
- Economic Analysis of the Revised North Island Grid Upgrade Project pdf [379 KB], prepared by the Commission’s transmission team, 23 February 2007;
- Transmission Augmentations into Auckland: Technical Review of Transpower’s Amended Proposal, S001-05 Final Revision 0, System Studies Group NZ Ltd, 30 January 2007 pdf [93 KB];
- Comments on the Effect of Constrained-on Generation on the 2013
Need-date for a New Line (Revision 2), System Studies Group NZ Ltd, 12
December 2006 pdf [19 KB];
- Review of Calculations for Ultimate Thermal Capacity (Revision 2), System Studies Group NZ Ltd, 12 January 2007 pdf [51 KB];
- Check of transmission augmentations in the calculation of losses for Transpower’s 400kV proposal, (Revision 1), System Studies Group NZ Ltd, 8 November 2006 pdf [111 KB];
- Review of Transpower's Amended Proposal, North Island Grid Upgrade Project, Reference 24919, Revision 1, Connell Wagner Limited, 12 December 2006 pdf [133 KB];
- Review of EMF Profile for 400kV Transpower Structures,
156258A-REPT-001.doc Rev 1, Parsons Brinckerhoff Associates, 22
November 2006 pdf [3824 KB];
- North Island Upgrade Project: Review of the Capital Cost Estimates
for Transpower’s Amended Proposal of October 2006, Parsons Brinckerhoff
Associates, 15 December 2006 pdf [725 KB];
- Review of 400kV & 220kV Transpower Proposal, 156258A-REPT-003.doc, Parsons Brinckerhoff Associates, 12 December 2006 pdf [273 KB];
- OTA-WKM A&B Cables and C105 Tower Review, 156258A-REPT-001.doc Rev 3, Parsons Brinckerhoff Associates pdf [1195 KB];
- Confidence Issues Related to Timing of Transmission Investments, Tim Hazledine, Department of Economics, University of Auckland, 18 December 2006 pdf [100 KB];
- Report on the Castalia Report to Transpower concerning Foreign Direct
Investment effects of the upgrade of electricity transmission
infrastructure serving Auckland, Tim Hazledine, Department of
Economics, University of Auckland 21 November 2006 pdf [65 KB];
- Comments on Castalia’s report to Transpower ‘Discount Rate for the Grid Investment Test’, Graeme Guthrie, 23 November 2006 pdf [89 KB];
As part of its process to explain the decision, the Commission held a number of public briefings in late February and early March.
Presentations from briefings held in Auckland, Hamilton and Hunua
.
Return to Auckland grid upgrade page
Last update on
04 July 2007 12:44 PM
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