Regulatory projects
This section contains all current and closed Commission regulatory projects. This includes determinations, reports, inquiries, studies and disclosures relating to telecommunications, grocery, fuel, water, the retail payment system, electricity lines, gas pipelines, airports and dairy.
Amendments to information disclosure requirements 2026
We have made changes to the information disclosure (ID) requirements for electricity distribution businesses (EDBs) as required under Part 4 of the Commerce Act 1986.
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2026 Gas default price-quality path
We’re reviewing the default price-quality paths (DPP4) for gas distribution and transmission from 1 Oct 2026. The current paths (DPP3), set in 2022, expire on 30 Sep 2026. New DPPs must be set by 31 May 2026 under the Commerce Act.
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2025 amendments to information disclosure requirements
We are making changes to the information disclosure (ID) requirements for Fibre.
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2023 Fibre Input Methodologies Amendments
Amendments and clarifications to 2020/21 Fibre Input Methodologies.
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Price-quality path for Watercare
Watercare will be subject to a price-quality path once the Charter ends in June 2028.
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Foundational Information Disclosure for Wellington Water
On 15 May 2025 Wellington Water Limited became a specified entity subject to foundational information disclosure.
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Information Disclosure
We will use information disclosure as a tool to regulate suppliers that provide water supply and/or wastewater services.
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Review of Fixed PSTN Interconnection
At least every five years, the Commission considers whether there are reasonable grounds for commencing an investigation into whether any services should be omitted from the list of designated or specified services in Schedule 1 of the Telecommunications Act 2001 (Act).
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Amendments to Airport Cost of Capital IMs – equity beta
We are considering potential amendments to aspects of the Airport Input Methodologies for cost of capital.
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