Te Komihana Tauhokohoko Commerce Commission
Making New Zealanders better off because markets work well and consumers and businesses are confident market participants.
Think a business or person isn’t complying with one of the laws we enforce?
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Share your thoughts on interchange fees
We’re consulting on proposed limits for interchange fees on payments made using commercial and corporate Mastercard and Visa credit cards. We’re asking businesses to share their thoughts through a five minute survey.
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State of Competition report released
Our first State of Competition report reveals a mixed picture, with competition remaining broadly stable overall but with growing pressures in other parts of the economy.
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Scrutiny on fuel companies
We’ve increased our monitoring and scrutiny of petrol pump prices in response to higher and more volatile wholesale prices. Read our regular reports.
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Annual Grocery Report
We’ve released our third annual grocery report, providing an updated view of competition in the market, including market structure, consumer outcomes, and the impact of regulatory measures since the Grocery Market Study.
Latest news
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22 Jun 2026
Draft decision on Horizon Networks’ Ōpōtiki upgrade
The Commerce Commission has released its draft decision to allow Horizon Networks, the electricity distribution business responsible for delivering power to around 25,500 homes and businesses in the eastern Bay of Plenty, to recover the costs of a network upgrade in Ōpōtiki. -
19 Jun 2026
Commission grants clearance to Rafting JV Co to acquire rafting assets
The Commerce Commission has granted clearance for Rafting JV Co to acquire the rafting and sledging assets of Rotorua Rafting, Kaitiaki Adventures, and Kaituna Cascades. -
18 Jun 2026
Cook Strait cable investment to keep NZ’s electricity reliable into the future
The Commerce Commission has approved Transpower’s $1.1 billion investment to replace and expand New Zealand’s inter-island electricity link, helping ensure a continued reliable electricity supply between the North and South islands. -
17 Jun 2026
ComCom wants to see fuel price come down in a fair and timely way
The Commerce Commission is reminding businesses to ensure lower fuel costs are passed through to customers through prices at the pump and the reduction of any surcharges.
Latest publications
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OIA 25.214 – Price cost margins across quartiles for 2024 – 15 April 2026PDF - 176 KB | Published on 22 June 2026
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OIA 25.207 – RGRs and Fuel surcharge – 30 March 2026PDF - 204 KB | Published on 22 June 2026
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OIA 25.187 – Information relating to Grocery Margins and Community food alternatives – 25 March 2026PDF - 170 KB | Published on 22 June 2026
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OIA 25.185 – Legal advice relating to Grocery Supply Code – 25 March 2026PDF - 506 KB | Published on 22 June 2026
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OIA 25.158 – Information relating to predatory pricing and market risks in rural telecommunications – 2 February 2025PDF - 170 KB | Published on 22 June 2026