Transmission Pricing Methodology
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TPM final decision briefing
Apr 2022
The Authority held an online briefing for stakeholders about the new TPM on 14 April 2022.
Following the conclusion of a significant structural reform and consultation process, the Electricity Authority has decided to adopt a new Transmission Pricing Methodology (TPM). The new TPM reflects years of review, analysis and valuable input from across the sector.
The Authority held an online briefing for stakeholders about the TPM decision. A copy of the presentation slides is below.
Date and session: 14 April 2022
Location: Online
Timing: 1.30pm - 2.30pm
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TPM Stakeholder Briefing Slides
TPM-stakeholder-briefing.pdf (PDF, 3.3 MB)
Last updated: 22 April 2022
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TPM consultation briefing sessions
08 Oct – 02 Dec 2021
Following the Government’s 18 October announcement that Auckland will remain at Covid alert level 3 for at least a further two weeks, the Authority has moved the Auckland and Whangarei regional information sessions online. This 3 November online session will also be open to anyone who wishes to attend an online TPM information session. Other regional sessions will be held in person if COVID alert levels allow. If COVID alert levels do not allow face-to-face events, a further online session may be scheduled.
The Authority will also hold additional online information sharing sessions on how the residual charge applies to batteries and similar storage, indicative pricing and case studies, and the CBA.
The Indicative pricing and case studies information session is available to view below.
Date and session
Location
Timing
Monday 1 November:
TPM information sessionWellington
1-3pm
Tuesday 2 November:
Indicative pricing and case studies information sessionOnline session
9.30-11.30am
Tuesday 2 November:
CBA information sessionOnline session
1.30-3.30pm
Wednesday 3 November:
TPM information sessionOnline session
1-3pm
Friday 5 November:
TPM information sessionTauranga
2-4pm
Monday 8 November:
TPM information sessionChristchurch
1-3pm
Tuesday 9 November:
TPM information sessionInvercargill
10am-12pm
Wednesday 10 November:
Batteries information sessionOnline session
2-3pm
Thank you to those who have registered for an information session already. If you wish to attend and haven’t yet registered your interest, please email TPM@ea.govt.nz. Those registering for the online session will be sent an email with the link to join.
Battery Storage information session
A copy of the presentation slides is available below.
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Battery storage information session
Battery-Storage-Information-Session.pdf (PDF, 1.5 MB)
Last updated: 20 December 2021
TPM information session
A copy of the presentation slides of the session is available below.
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TPM General Information Session
TPM-General-Information-Session-v4.pdf (PDF, 1.3 MB)
Last updated: 04 November 2021
Indicative pricing and case studies information session
A copy of the presentation slides and a recording of the session are available below.
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Indicative pricing Information Session - 02 Nov 2021
Indicative-pricing-Information-Session-02-Nov-2021.pdf (PDF, 2.2 MB)
Last updated: 04 November 2021
CBA information session
A copy of the presentation slides is available below.
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TPM Consultation Information session CBA - 02 Nov 2021
TPM-Consultation-Information-session-CBA-02-Nov-2021.pdf (PDF, 1.4 MB)
Last updated: 04 November 2021
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TPM oral submissions
Dec 2019
In December 2019 the Authority Board heard oral submissions on the TPM Issues Paper.
The Authority held two hearings on 2 and 12 December 2019 with 25 submitters taking the opportunity to speak to their written submissions.
We have published video recordings of the oral submissions - please click on the link below to view the videos:
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TPM regional and technical workshops
Aug – Sep 2019
Regional workshops
The Authority is keen to discuss its TPM proposal with stakeholders and has planned six regional workshops during the consultation period.
These workshops are an opportunity to hear directly from the Authority about the proposal and for you to discuss the content with the Authority and other stakeholders before making a formal submission.
Workshop locations and dates
• Christchurch: Monday 19 August 2019
• Tauranga: Tuesday 20 August
• Auckland: Thursday 22 August
• Wellington: Friday 23 August
• Invercargill: Friday 30 August
• Whangarei: Monday 2 SeptemberWorkshop presentation
Thank you to everyone who attended the regional workshops.
The presentation is available below - slides specific to each region are included in the Appendix.
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TPM workshop presentation 2019
TPM-Workshop-presentation-9-Sept-2019.pdf (PDF, 1.4 MB)
Last updated: 09 September 2019
Cost benefit analysis and modelling workshop
The Authority held a technical workshop on the cost benefit analysis and charges modelling components of the Transmission Pricing Methodology (TPM) 2019 Issues Paper. It was held on 10 September 2019 in Wellington.
Workshop presentation
Thank you to everyone who attended this technical workshop.
The presentation is available below.
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TPM technical workshop presentation
TPM-technical-workshop-presentation-10-Sept-2019.pdf (PDF, 2.8 MB)
Last updated: 11 September 2019
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Workshops about transmission pricing proposal
14 – 17 Jun 2016
We are holding workshops with interested parties to discuss the Transmission Pricing Methodology (TPM) second issues paper and proposal, in advance of submissions closing on 26 July 2016.
The workshops provide an opportunity for you to ask questions and clarify points about the paper. We strongly encourage all interested parties to attend these workshops.
- Auckland: Tuesday, 14 June 2016 from 11:00am—3:00pm.
- Wellington: Wednesday, 15 June 2016 from 1:00—5:00pm.
- Invercargill: Thursday, 16 June 2016 from 12:00—2:00pm.
- Christchurch: Friday, 17 June 2016 from 11:00am—3:00pm.
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Slides presented at all TPM workshops
TPM-second-issues-paper-workshops-presentation-final.pdf (PDF, 1.3 MB)
Last updated: 27 June 2016
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Stakeholder briefing - second issues paper
17 May 2016
As previously advised, we will release the TPM second issues paper and proposal, and the Review of Part 6 (DGPP), on Tuesday, 17 May 2016. We will hold an initial stakeholder briefing:
When: 10am to 11.30am on Tuesday, 17 May 2016
Where: InterContinental Hotel, 2 Grey Street, Wellington.
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Stakeholder briefing presentation
TPM-second-issues-and-DGPP-papers-Initial-Stakeholder-Briefing.pdf (PDF, 956 KB)
Last updated: 17 May 2016
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TPM options paper workshops
07 – 10 Jul 2015
We held workshops with interested parties to discuss the Transmission Pricing Methodology (TPM) options working paper in advance of submissions closing on 11 August 2015.
The workshops provided an opportunity to ask questions and clarify points about the TPM options working paper and any of the associated documentation.
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Presentation given at all TPM workshops
TPM-options-presentation-for-workshops.pdf (PDF, 1.5 MB)
Last updated: 14 July 2015
Auckland
Tuesday, 7 July 2015
11:00am—3:00pm
Heritage Auckland, 35 Hobson Street, Auckland.
Wellington
Wednesday, 8 July 2015
1:00—5:00pm
InterContinental Wellington, 2 Grey Street, Wellington.
Invercargill
Thursday, 9 July 2015
12:00—2:00pm
Ascot Park Hotel, Tay Street and Racecourse Road, Ascot, Invercargill
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Audio recording of Invercargill workshop
Invercargill.wma (WMA, 208 MB)
Last updated: 28 July 2015
Christchurch
Friday, 10 July 2015
11:00am—3:00pm
Hotel Novotel Christchurch Cathedral Square, 52 Cathedral Square, Christchurch.
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Stakeholder briefing - options working paper
16 Jun 2015
We have released a Transmission Pricing Methodology (TPM) options working paper for consultation on Tuesday, 16 June 2015. The consultation period will run until Tuesday, 11 August 2015.
A stakeholder briefing was held for this paper.
When: 10am – 11.30am on Tuesday, 16 June
Where: The Wharewaka, Odlins Square, 15 Jervois Quay, Wellington Waterfront (map)
Video:
Presentation:
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Presentation given at stakeholder briefing
TPM-options-wp-presentation-initial-release-16-June-2015.pdf (PDF, 537 KB)
Last updated: 24 June 2015
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Presentation to the Independent Electricity Generators Association
14 Aug 2014
We were invited to present to the Independent Electricity Generators Association about Distributed Generation and the Avoided Cost of Transmission (ACOT) arrangements.
On 14 August 2014, we made a presentation titled “Distributed Generation and the Avoided Cost of Transmission arrangements” to the Independent Electricity Generators Association. Our presentation provided an overview of the ACOT working paper and submissions, the Authority’s work programme and the next steps in the process.
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Presentation for the IEGA August 2014
ACOT-presentation-for-IEGA-Aug-2014.pdf (PDF, 274 KB)
Last updated: 17 August 2016
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Transmission pricing methodology: Beneficiaries-pay working paper forum
29 Jan 2014
The Authority is planning to release its transmission pricing methodology: Beneficiaries-pay working paper on 21 January 2014. The Authority will provide an overview of the working paper at a forum to be held in Wellington on 29 January 2014
The forum will also provide an opportunity for interested parties to clarify any details of the working paper with the Authority.
Where: James Cook Hotel Grand Chancellor, 147 The Terrace, Wellington (please note this is a new venue)
When: It is anticipated that the forum will commence at 10.00 am.
People interested in attending the forum should email their name and contact details to info@ea.govt.nz with “TPM Forum” in the subject line.
Registrations should be received by the Authority no later than 5pm on Wednesday 15 January 2014.
An agenda, and confirmation of the start time, will be published nearer the time.
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Presentation - Beneficiaries-pay working paper
TPM-forum-slides.pdf (PDF, 1.6 MB)
Last updated: 18 August 2016
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Agenda
Last updated: 18 August 2016
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Presentation to the Independent Electricity Generators Association
29 Jul 2013
We were invited to present to the Independent Electricity Generators Association about the October 2012 Issues paper.
On 29 July 2013, we made a presentation titled “Transmission pricing Review” to the Independent Electricity Generators Association. Our presentation provided an overview of the 2012 proposal and an update of submitter’s views on the proposal.
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Presentation to IEGA 29 July 2013
TPM-presentation-Independent-Electricity-Generators-Association.pdf (PDF, 386 KB)
Last updated: 25 June 2015
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May 2013 TPM Conference
29 – 31 May 2013
The Authority held a TPM conference for all parties who submitted on the TPM: issues and proposal paper.
The purpose of the conference is for the Authority to clarify and explore issues and views raised in submissions and cross-submissions on the TPM: issues and proposal paper, to advance its understanding of the key points of difference between submitters, and to explore issues arising from our preliminary analysis of submissions.
Transmission pricing methodology review- issues and proposal
Unanswered Questions
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Download a ZIP file containing all documents
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Unanswered questions from TPM conference
unanswered-questions.pdf (PDF, 106 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Contact Energy
Response-to-unanswered-questions-Contact-Energy.pdf.pdf (PDF, 128 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Clearwater Hydro
Response-to-unanswered-questions-Clearwater-Hydro.pdf (PDF, 29 KB)
Last updated: 18 August 2016
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Response to unanswered questions - DEUN
Response-to-unanswered-questions-DEUN-.pdf (PDF, 14 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Fonterra
Response-to-unanswered-questions-Fonterra-.pdf (PDF, 86 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Genesis Energy
Response-to-unanswered-questions-Genesis-Energy-.pdf (PDF, 151 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Meridian Energy
Response-to-unanswered-questions-Meridian-Energy.PDF (PDF, 47 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Mighty River Power
Response-to-unanswered-questions-MRP.pdf (PDF, 206 KB)
Last updated: 18 August 2016
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Response to unanswered questions - New Zealand Geothermal Association
Response-to-unanswered-questions-New-Zealand-Geothermal-Association.PDF (PDF, 24 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Norske Skog Tasman Ltd
Response-to-unanswered-questions-Norske-Skog-Tasman-Ltd.pdf (PDF, 93 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Nova Energy
Response-to-unanswered-questions-Nova-Energy.PDF (PDF, 62 KB)
Last updated: 18 August 2016
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Response to unanswered questions- Northpower
Response-to-unanswered-questions-Northpower.pdf (PDF, 349 KB)
Last updated: 18 August 2016
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Response to unanswered question - NZIER
Response-to-unanswered-question-NZIER.pdf (PDF, 101 KB)
Last updated: 18 August 2016
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Response to unanswered questions - NZX
Response-to-unanswered-questions-NZX.pdf (PDF, 15 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Orion
Response-to-unanswered-questions-Orion.pdf (PDF, 142 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Pioneer Generation
Response-to-unanswered-questions-Pioneer-Generation-.pdf (PDF, 87 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Smart Power
Response-to-unanswered-questions-Smart-Power.pdf (PDF, 58 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Transpower
Response-to-unanswered-questions-Transpower.pdf (PDF, 342 KB)
Last updated: 18 August 2016
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Response to unanswered questions - TrustPower
Response-to-unanswered-questions-TrustPower.pdf (PDF, 505 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Vector
Response-to-unanswered-questions-Vector.pdf (PDF, 184 KB)
Last updated: 18 August 2016
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Response to unanswered questions - Waipa Networks Ltd
Response-to-unanswered-questions-Waipa-Networks-Ltd.PDF (PDF, 77 KB)
Last updated: 18 August 2016
Transcripts
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Download a ZIP file containing all documents
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TPM conference transcript - Wednesday 29 May 2013
Transcript-day-1.pdf (PDF, 277 KB)
Last updated: 18 August 2016
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TPM conference transcript - Thursday 30 May 2013
Transcript-day2.pdf (PDF, 440 KB)
Last updated: 18 August 2016
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TPM conference transcript - Friday 31 May 2013
transript-day-3.pdf (PDF, 243 KB)
Last updated: 18 August 2016
Programme and Agendas
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Download a ZIP file containing all documents
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Conference programme
TPM-conference-programme.pdf (PDF, 82 KB)
Last updated: 18 August 2016
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Agenda
FINAL-Agenda-TPM-conference.pdf (PDF, 72 KB)
Last updated: 26 June 2015
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Purpose and indicative agenda
Purpose-of-the-Conference-inc-indicative-agenda.pdf (PDF, 180 KB)
Last updated: 26 June 2015
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New Zealand Wind Energy Association presentation
20 Feb 2013
We were invited to present to NZWEA about the October 2012 Issues paper.
The New Zealand Wind Energy Association (NZWEA) held a workshop in Auckland on 20 February 2013 to discuss the impacts of our TPM proposal on embedded generation.
We were invited to make a presentation at the workshop, a copy of the presentation is available below.
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Presentation to NZWEA 20 February 2013
Last updated: 26 June 2015
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October 2012 Issues Paper: Q&A workshop
7 Feb 2013
We held a questions and answers workshop on 7 February 2013. The workshop provided an opportunity for interested parties to seek clarification on aspects of our published TPM proposal.
To make the best use of time for all who attended the workshop parties were requested to submit questions to us in advance. A copy of the submitted questions along with our response, and the presentation form the workshop, can be found below.
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TPM Q&A workshop presentation
TPM-QA-workshop-presentation.pdf (PDF, 4.6 MB)
Last updated: 26 June 2015
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TPM Q&A workshop submitted questions and responses
TPM-QA-workshop-responses.pdf (PDF, 238 KB)
Last updated: 26 June 2015
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October 2012 Issues Paper: Modelling Workshop
12 Dec 2012
We held a modelling workshop about its TPM proposal on Tuesday, 4 December 2012 in Auckland.
The workshop consisted of two sessions:
- details of the TPM proposal including the SPD method, design issues and RCPI application; and
- direct incidence of charges and generator pass through.
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Download a ZIP file containing all documents
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Agenda
Modelling-workshop-agenda.pdf (PDF, 58 KB)
Last updated: 18 August 2016
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Presentation by Electricity Authority – SPD method
EA-SPD-method.pdf (PDF, 2.8 MB)
Last updated: 18 August 2016
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Presentation by Transpower NZ Ltd – Transpower’s modelling work: SPD
Transpower-modelling-SPD-method.pdf (PDF, 589 KB)
Last updated: 18 August 2016
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Presentation by Electricity Authority – Incidence and generator pass through
EA-Incidence-and-pass-through.pdf (PDF, 1.4 MB)
Last updated: 26 June 2015
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Presentation by Transpower NZ Ltd – Transpower’s modelling work: asset groups
transpower-modelling-assets.pdf (PDF, 659 KB)
Last updated: 18 August 2016
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Additional Slides 1 – Using TPMvSPD and GDX files
EA-additional-slides-1.pdf (PDF, 1 MB)
Last updated: 26 June 2015
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Additional slides 2 – Changes in line company area end-user charges
EA-additional-slides-2.pdf (PDF, 625 KB)
Last updated: 26 June 2015
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October 2012 Issue paper forums
Oct 2012
We released the issues paper at a release forum in Wellington on 10 October 2012.
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Presentation by Electricity Authority - Transmission Pricing Methodology: Issues and proposal: Release fourm
Presentation.pdf (PDF, 717 KB)
Last updated: 18 August 2016
We also held a series of discussion forums on the Transmission pricing methodology consultation paper. The details of these events are below:
Wellington
17 October 2012
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Agenda
wellington-agenda.pdf (PDF, 54 KB)
Last updated: 18 August 2016
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Presentation by Electricity Authority - TPM Issues and Proposal: Discussion Forum
Wellington-presentation.pdf (PDF, 959 KB)
Last updated: 18 August 2016
Christchurch
18 October 2012
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Agenda
Last updated: 18 August 2016
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Presentation by Electricity Authority - TPM Issues and Proposal: Discussion Forum
ChCh-presentation.pdf (PDF, 960 KB)
Last updated: 18 August 2016
Auckland
19 October 2012
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Agenda
Auckland-agenda.pdf (PDF, 54 KB)
Last updated: 18 August 2016
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Presentation by Electricity Authority - TPM Issues and Proposal: Discussion Forum
TPM-consultation-Auckland.pdf (PDF, 965 KB)
These slides were presented to the Auckland forum, They were amended slightly from those presented in Wellington and Christchurch in order to remove some minor errors and add a slide regarding load control.
Last updated: 18 August 2016
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TPAG public briefing on Transmission Pricing Discussion Paper
29 Jun 2011
The Transmission Pricing Advisory Group (TPAG) held a briefing to outline its Discussion Paper on Transmission Pricing on Wednesday 29 June 2011.
The briefing presented TPAG's analysis in advance of participants finalising their submissions on the discussion paper.
The briefing session commenced at 9.00am held at:
Museum of New Zealand Te Papa Tongarewa
Cable Street
Wellington-
Download a ZIP file containing all documents
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TPAG briefing agenda
Last updated: 19 August 2016
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Overview of advisory groups and review process
Overview-of-advisory-groups-and-review-process.pdf (PDF, 179 KB)
Last updated: 19 August 2016
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Introduction
Introduction.pdf (PDF, 150 KB)
Last updated: 19 August 2016
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Assessing options for HVDC cost allocation
Assessing-options-for-HVDC-cost-allocation.pdf (PDF, 727 KB)
Last updated: 19 August 2016
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Assessing of options for deeper of shallower connection
Assessing-of-options-for-deeper-of-shallower-connection.pdf (PDF, 283 KB)
Last updated: 19 August 2016
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Assessing options for static reactive compensation
Assessing-options-for-static-reactive-compensation.pdf (PDF, 255 KB)
Last updated: 19 August 2016
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TPM CBA presentation
On 28 April 2020 the Authority hosted a Zoom webinar presenting the revised CBA following consideration of submissions.
On Tuesday 28 April the Authority hosted a webinar presenting revisions to the cost benefit analysis that supported the Transmission Pricing Methodology: 2019 Issues Paper.
We have published the webinar and presentation - please click on the link below to view it.
TPM CBA Webinar 28 April 2020
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EMAIL: info@ea.govt.nz
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