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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.

  • Energy Competition Task Force – Review of EDB-Initiated GXP investments

    The Task Force has identified further work that will benefit from the joint expertise and powers of the Commission and the Electricity Authority, and MBIE working together. A key project is the Commission led review of EDB-initiated GXP investments.
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  • Changes to information disclosure requirements for airports 2026

    We have made improvements to information disclosed by airports.
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  • 2027 Fibre Input Methodologies Review

    We are required to review the Fibre Input Methodologies (IMs) within 7 years of their publication. We commenced our review of them on 27 March 2025, and are required to complete this review by 13 October 2027.
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  • 2027 Input Methodologies Review – Common cost of capital

    The Common cost of capital IM review has implications across suppliers regulated under Part 4 of the Commerce Act and Part 6 of the Telecommunications Act (Fibre).
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  • Transpower IM Amendment relating to recoverable costs

    We have amended the Transpower input methodology (IM) in relation to recoverable costs associated with major capex proposals (MCPs).
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  • Confidentiality/OIA processes for applications

    We consulted on draft new guidance on confidentiality and Official Information Act processes to provide clarity on and improve processes around our assessment of applications.
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  • Merger clearance and authorisation application forms

    We have developed new merger clearance and authorisation forms to give us upfront in an application the minimum relevant information and documents we need from merger parties.
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  • 2025/26 milk price calculation

    We have reviewed the milk price calculation for the 2025/26 season and published our final report on 15 September 2026.
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  • Ensuring electricity distributor performance delivers consumer outcomes

    We want to work with sector stakeholders to establish a clearly articulated view on what ‘good’ performance for an Electricity Distribution Business (EDB) looks like, so we are all clear on prioritised industry outcomes and can ensure our regulatory settings are aligned to promote those outcomes.
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  • IM Amendments – Treatment of government grants related to income

    We have amended the IMs for EDBs, GPBs and Transpower for the treatment of government grants related to income.
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