Overview

Date Activity
14 Jul 2020 Correspondence: The Authority has received an appeal against its decision to publish new guidelines and a process for the development of a new proposed TPM. Read more
22 Jun 2020 Correspondence: The Authority has written to Transpower requesting they develop a TPM consistent with the 2020 guidelines and also to the Commerce Commission. Read more
10 Jun 2020 Development: We have decided on new guidelines for transmission pricing. Read more
May 2020 Development: 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. Read more
17 Apr 2020 Development: This information paper sets out the Authority’s current thinking on its cost-benefit analysis (CBA) of the transmission pricing methodology (TPM) guidelines it proposed in 2019, having taken into account submissions it received on that proposal. Read more
Mar 2020 Development: The Authority has published a package of information regarding aspects of the Authority’s proposal, specific areas of concern and our thinking about next steps as we move towards a decision Read more
2 Mar 2020 Development: The Authority welcomes questions on the Transmission Pricing Methodology: 2019 Issues Paper. Read more
11 Feb – 3 Mar 2020 Consultation: The Authority’s TPM review is ongoing and its decision on the proposed TPM guidelines has not yet been made. This supplementary consultation is part of that ongoing process. Read more
Dec 2019 Event: In December 2019 the Authority Board heard oral submissions on the TPM Issues Paper. Read more
26 Nov 2019 Development: The Authority is currently considering the submissions and cross-submissions it received on the Transmission Pricing Methodology: 2019 Issues Paper. Read more
2 Oct 2019 Development: We have published TPM submissions to the consultations page Read more
27 Sep 2019 Correspondence: Correspondence relating to 2019 Issues Paper. Read more
Aug – Sep 2019 Event: The Authority is holding workshops on its 2019 TPM proposal Read more
23 Jul – 31 Oct 2019 Consultation: The Electricity Authority (the Authority) is proposing a new approach to transmission pricing. Read more
16 May 2019 Development: A joint report from Electricity Authority, Commerce Commission, and Transpower representatives. Read more
11 Dec 2018 Development: Progress update Read more
26 Jun 2018 Development: Next steps for Authority's TPM review Read more
26 Jun 2018 Development: Next steps - Questions and Answers Read more
20 Jun 2017 Development: Next steps for Authority’s TPM review Read more
20 Jun 2017 Development: Transpower proposes TPM operational review Read more
26 Apr 2017 Development: The Authority will prepare a new cost-benefit analysis (CBA) for the review of the Transmission Pricing Methodology (TPM) guidelines. Read more
28 Mar 2017 Development: Transmission pricing methodology (TPM) review: second issues paper: Question and Answer session on CBA calculations Read more
23 Mar 2017 Development: Transmission Pricing Methodology: revised cost benefit analysis Read more
17 Mar 2017 Correspondence: Correspondence relating to the second issues paper: supplementary consultation paper Read more
10 Mar 2017 Development: Second issues paper: supplementary consultation paper: cross-submissions Read more
7 Feb 2017 Development: Transmission Pricing Methodology: second issues paper: supplementary consultation: update of indicative transmission charge estimates Read more
13 Dec 2016 Development: Transmission Pricing Methodology second issues paper: supplementary consultation questions and responses Read more
13 Dec 2016 – 24 Feb 2017 Consultation: Transmission Pricing Methodology: second issues paper: supplementary consultation Read more
2 Dec 2016 Development: High Court declines Trustpower application for judicial review Read more
18 Oct 2016 Development: Supplementary consultation to the TPM second issues paper Read more
18 Jul 2016 Development: TPM second issues paper - questions received from stakeholders during the consultation period and Authority responses Read more
14 – 17 Jun 2016 Event: Workshops about transmission pricing proposal Read more
Jun 2016 Correspondence: Correspondence relating to the second issues paper Read more
17 May 2016 Event: Stakeholder briefing - second issues paper Read more
17 May – 26 Jul 2016 Consultation: Transmission Pricing Methodology: second issues paper Read more
12 Apr 2016 Development: Further update on review timing Read more
15 Mar 2016 Development: Update on time frames for second issues paper Read more
20 Oct 2015 Development: Review process flowchart Read more
Oct 2015 Correspondence: Correspondence relating to the options paper submissions Read more
7 Aug 2015 Development: TPM options paper - questions received from stakeholders during the consultation period Read more
6 Aug 2015 Development: TPM options working paper - Demand and generation sensitivities for the TPM options working paper Read more
30 Jul 2015 Development: TPM options working paper – revisions to indicative modelling Read more
7 – 10 Jul 2015 Event: TPM options paper workshops Read more
16 Jun – 11 Aug 2015 Consultation: Transmission Pricing Methodology: options paper Read more
16 Jun 2015 Event: Stakeholder briefing - options working paper Read more
16 Jun 2015 Development: Options paper questions and answers Read more
24 Feb 2015 Development: Indicative project timeline updated Read more
Oct 2014 Correspondence: Correspondence relating to the problem definition working paper Read more
16 Sep – 28 Oct 2014 Consultation: Transmission Pricing Methodology: Problem definition relating to interconnection and HVDC assets working paper Read more
14 Aug 2014 Event: Presentation to the Independent Electricity Generators Association Read more
29 Jul – 23 Sep 2014 Consultation: Transmission Pricing Methodology: Long Run Marginal Cost (LRMC) Charges working paper Read more
6 May – 24 Jun 2014 Consultation: Transmission Pricing Methodology: Connection charges working paper Read more
Mar 2014 Correspondence: Correspondence relating to the beneficiaries-pay working paper Read more
Mar – Apr 2014 Correspondence: Correspondence relating to the TPM review process Read more
29 Jan 2014 Event: Beneficiaries-pay working paper forum Read more
21 Jan – 25 Mar 2014 Consultation: Beneficiaries-pay working paper. Read more
21 Jan – 4 Mar 2014 Consultation: Use of loss and constraint excess (LCE) to offset transmission charges. Read more
Dec 2013 Correspondence: Correspondence relating to the ACOT working paper Read more
Nov 2013 – Jan 2014 Correspondence: Correspondence with the proprietors of Taheke 8C & Adjoining Blocks (inc) and Ruahine & Kuharua Incorporated Read more
19 Nov 2013 – 31 Jan 2014 Consultation: Avoided cost of transmission (ACOT) payments for distributed generation Read more
Oct – Nov 2013 Correspondence: Correspondence relating to Tiwai Point charges Read more
8 Oct – 19 Nov 2013 Consultation: Sunk costs working paper. Read more
3 Sep – 15 Oct 2013 Consultation: Cost-benefit analysis working paper. Read more
Sep 2013 – Oct 2015 Development: Second Issues paper Read more
29 Jul 2013 Event: Presentation to the Independent Electricity Generators Association Read more
29 – 31 May 2013 Event: May 2013 TPM Conference Read more
29 – 31 May 2013 Development: May 2013 TPM Conference Read more
Apr – Jul 2013 Correspondence: Correspondence and feedback relating to the TPM conference Read more
20 Feb 2013 Event: New Zealand Wind Energy Association presentation Read more
7 Feb 2013 Event: October 2012 Issues Paper: Q&A workshop Read more
12 Dec 2012 Event: October 2012 Issues Paper: Modelling Workshop Read more
Nov 2012 – Mar 2013 Correspondence: Correspondence relating to the October 2012 Issues paper Read more
Oct 2012 Event: October 2012 Issue paper forums Read more
10 Oct 2012 – 1 Mar 2013 Consultation: Issues and proposal. Read more
May 2012 – May 2013 Development: Issues paper Read more
26 Jan – 24 Feb 2012 Consultation: Review of decision-making and economic framework. Read more
Jun – Jul 2011 Correspondence: Correspondence relating to the TPAG Transmission Pricing Discussion paper Read more
29 Jun 2011 Event: TPAG public briefing on Transmission Pricing Discussion Paper Read more
7 Jun – 14 Jul 2011 Consultation: Transmission Pricing Discussion Paper Read more
May 2011 – May 2012 Development: Economic Framework Decision Making Read more
Feb 2011 Development: In response to senior level feedback from a number of industry participants, the Authority established an ad-hoc advisory group - TPAG. Read more
14 Feb – 14 Mar 2011 Consultation: Code Amendment Proposal: Regulatory Framework for Transmission Pricing Methodology (TPM) Read more
Feb – Apr 2011 Development: Review of the regulatory framework Read more
27 Aug – 24 Sep 2010 Consultation: Stage 2 Options. Read more
Jul – Oct 2010 Development: Stage 2 Options Read more
30 Oct 2009 Correspondence: Letter received from Transpower Read more
9 Oct – 7 Dec 2009 Consultation: High-level options. Read more
1 Oct 2009 – 31 May 2010 Development: Stage 1 High level options investigation Read more
Apr 2009 Background: Transmission Pricing as at April 2009 Read more