We are setting DPP4 in the context of an energy transition to increased electrification, climate change impacts, high inflation, and significant cost pressures facing both EDBs and consumers.

We have also published a webpage explaining more about the estimated impact of these decisions on consumer electricity bills. You can read more about this on our website.

Current step in the process

On 29 May 2024 we published our draft decision and Commissioner Vhari McWha hosted a presentation to stakeholders and media and Q&A session. Details on the draft decision reasons paper, models, determination can be found in the ‘Documents’ section at the bottom of this page.

On 18 July 2024, we published 39 publicly available submissions received in response to our draft decision. On 12 August 2024 we published 12 publicly available cross-submissions to our draft decision. We thank submitters for their feedback and engagement. These submissions and cross-submissions  can be found in the ‘Documents’ section at the bottom of this page.

On 27 July 2024, we announced an upcoming workshop to be held on ‘Implementation design and application process for the innovation and non-traditional solutions allowance (INTSA)’, occurring Wednesday 14 August 2024 at 10:00am – 11:30am, and will be online only via MS Teams. On 12 August 2024, we published the materials for the INTSA workshop– the workshop slide pack and draft INTSA guidance + PEA template. These materials were also emailed to those who RSVP’d on 8 August 2024. 

Submissions on the workshop are due 5pm Wednesday 28 August 2024. Submissions should be addressed to:

Please include “Submission on EDB DPP4 innovation and non-traditional solutions workshop – implementation design” in the subject line of your email.

On 3 September 2024, we published the draft reasons paper on the proposed amendments to input methodologies for electricity distribution businesses, gas pipeline businesses and Transpower relating to insurance entitlements, other compensatory entitlements, and other regulated income. Submissions will close on Friday 20 September, and cross-submissions on Monday 7 October 2024.

Project Timeline

Final decision due

November 2024

Cross-submissions on draft IM amendment determinations and draft reasons (relating to insurance entitlements, other compensatory entitlements, and other regulated income) due

7 October 2024

Submissions on draft IM amendment determinations and draft reasons paper (relating to insurance entitlements, other compensatory entitlements, and other regulated income) due

20 September 2024

Draft IM amendment determinations and draft reasons paper published relating to insurance entitlements, other compensatory entitlements, and other regulated income

3 September 2024

Workshop: ‘Implementation design and application process for the innovation and non-traditional solutions allowance (INTSA)'

14 August 2024

Cross-submissions on draft decision

2 August 2024

Submissions on draft decision

12 July 2024

Draft decision

29 May 2024

Workshops:

14 August 2024

4 March 2024

26 February 2024

Issues paper on the Financeability of electricity distribution services in the default price-quality path published

22 February 2024

Cross-submissions on issues paper

26 January 2024

Submissions on issues paper

19 December 2023

Issues paper – full paper published

2 November 2023

Submissions on process paper

23 June 2023

Process paper – full paper published

25 May 2023



Workshops

We've run a series of workshops with electricity distribution businesses and other stakeholders as we work towards our final decision. This can be viewed on our events page.

Electricity distribution businesses subject to DPP4

  • Alpine Energy
  • Aurora Energy*
  • EA Networks
  • Electricity Invercargill
  • Firstlight Network
  • Horizon Energy
  • Nelson Electricity
  • Network Tasman
  • Orion
  • OtagoNet Joint Venture
  • Powerco
  • The Lines Company
  • Top Energy
  • Unison Networks
  • Vector
  • Wellington Electricity

*Aurora Energy is currently on a customised price-quality path which expires 31 March 2026, when it will be transitioned onto DPP4.

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