Bay of Plenty interconnection capacity upgrade investment proposal - archive

Final decision

No request to hold a public conference was received by 5pm on the 7 January 2010, therefore the Electricity Commission's decision, as set out in the notice of intention, is final.

Transpower's application

Transpower submitted the Bay of Plenty Interconnection Capacity Upgrade Investment Proposal as a reliability investment on 3 November 2009. The proposal involved upgrading the Kaitimako-Tarukenga line to 220kV and installing two interconnecting transformers at Kaitimako. Transpower sought approval of up to $21.5 million for the proposal.

On 10 November 2009, the Commission requested further information on the Bay of Plenty Interconnection Capacity Upgrade Investment Proposal. Transpower responded on 17 November 2009 and provided the additional analysis requested.

On 26 November 2009, Transpower provided a detailed cost breakdown for the preferred option along with single line diagrams for both the Kaitimako and Tarukenga substations.

Opportunity for comment

Under rule 13.3.2 and rule 13.3.5 of section III of part F of the Electricity Governance Rules 2003, the Commission gave notice to provide designated transmission customers and parties affected by the proposals with an opportunity to:

  • Provide written comments on Transpower's proposals; and
  • Request that the Commission consider alternatives to Transpower's proposals.

Comments and/or requests were sought by the Commission by 5.00 pm on Tuesday 24 November 2009. Five submissions were received.

Timetable

On 12 November 2009, a timetable for consultation and approval of the proposal was agreed with Transpower.

Notice of Intention

A notice of intention to approve the Bay of Plenty Interconnection Capacity Upgrade Investment Proposal was published on 18 December 2009.

Reasons for decision

The Reasons for Decisions document presented the Commission's analysis of the Bay of Plenty Interconnection Capacity Upgrade Investment Proposal and explains the reasons supporting the Commission's intention to approve the proposal.

Key correspondence provided by Transpower assisted in the decision making and analysis.

Related Documents

Transpower's letter dated 3 November 2009 re proposal

letter.pdf | pdf | 135 KB | Last Changed: 25/10/2010 4:59pm

Proposal

Bay of Plenty Interconnection Capacity Upgrade Investment Proposal

proposal.pdf | pdf | 775 KB | Last Changed: 25/10/2010 4:59pm

Proposal

Proposal Attachment A - Technical Report

Attachment-A.pdf | pdf | 1 MB | Last Changed: 25/10/2010 4:59pm

Proposal

Proposal Attachment B - Options and Cost Report

Attachment-B.pdf | pdf | 519 KB | Last Changed: 25/10/2010 4:59pm

Proposal

Email of 17 November 2009

email-17Nov09.pdf | pdf | 35 KB | Last Changed: 25/10/2010 4:59pm

Proposal - additional information received 17 November 2009

Capital Cost Information

capital-cost.xls | xls | 33 KB | Last Changed: 25/10/2010 4:59pm

Proposal - additional information received 17 November 2009

Digsilent case study

BoP-case-study.zip | zip | 495 KB | Last Changed: 25/10/2010 4:59pm

Note: To open this file you need the Digsilent software package and to have saved the file
Proposal - additional information received 17 November 2009

Revised loss calculations

loss-calculations.pdf | pdf | 37 KB | Last Changed: 25/10/2010 4:59pm

Proposal - additional analysis

Cost breakdown

cost-breakdown.pdf | pdf | 869 KB | Last Changed: 25/10/2010 4:59pm

Proposal - additional information received 26 November 2009

Kaitimako single line diagram

Kaitimako-SLD.pdf | pdf | 97 KB | Last Changed: 25/10/2010 4:59pm

Proposal - additional information received 26 November 2009

Tarukenga single line diagram

TRK-SLD.pdf | pdf | 70 KB | Last Changed: 25/10/2010 4:59pm

Proposal - additional information received 26 November 2009

Timetable - 12 November 2009

timetable.pdf | pdf | 24 KB | Last Changed: 25/10/2010 4:59pm

Notice of Intention - 18 December 2009

NOI.pdf | pdf | 556 KB | Last Changed: 25/10/2010 4:59pm

Reasons for Decision - 18 December 2009

Reasons.pdf | pdf | 672 KB | Last Changed: 25/10/2010 4:59pm

Email of 30 November 2009

email-30Nov09.pdf | pdf | 21 KB | Last Changed: 25/10/2010 4:59pm

Key correspondence
On 25 November 2009, issues raised in the submissions from Mighty River Power and Contact Energy were passed onto Transpower for comment. Transpower responded on 30 November 2009.

This page is related to: Transmission.