2026 Gas default price-quality path
DPP4 applies to gas pipeline services from 1 October 2026 to 30 September 2031.
Final decisions publication
On 27 May 2026, we published our final decision package on the Gas DPP4 reset. All documents can be found under the ‘Documents’ tab below. Learn more about the estimated impact of these decisions on consumer gas bills.
Final decisions on IM amendments
On 26 May 2026, we published our final decisions on the amendments to input methodologies for both gas transmission and distribution services. All documents can be found in the ‘Documents’ tab below.
Workshops
As part of our consultation process, we ran an online technical workshop on scenarios modelling. You can find the video on YouTubeopen_in_new.
Businesses affected by the 2026 gas DPP
Distribution
- GasNet
- Powerco Limited
- Vector Limited
- First Gas Limited
Transmission
- First Gas Limited
You can find information on previous reviews of the DPPs that apply to gas distribution and gas transmission businesses, on the 2022 gas default price-quality path page.