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.
Information Disclosure
We use information disclosure as a tool to regulate suppliers that provide water supply and/or wastewater services.
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Redclyffe 220kV switchyard resilience
Transpower have notified us of their intention to plan a major capex project at its Redclyffe substation.
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Changes to information disclosure requirements for airports 2026
We are working on improvements to information disclosed by airports.
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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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Review of Co-location on Cellular Mobile Transmission Sites
Mobile Co-location enables a Mobile Network Operator (MNO) to install mobile network transmission and reception equipment on another MNO’s tower.
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Upper South Island MCP
Transpower have notified us of their intention to plan a major capex project in the Upper South Island region.
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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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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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