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current item indicator  Investigations

Current inquiries

Completed inquiries

About our inquiries

Inquiry reports

Energy Code Modification Appeals

Telecommunications Price Control Appeals

Water Determinations

Reviews of Undertakings

CC notices, actions and decisions


This section of the site contains information about the investigations of the Competition Commission, including details of what we investigate and how we conduct inquiries & energy code modification appeals.

There is also information about individual inquiries and appeal cases. You can search our listings of inquiries since 2000 in a variety of ways:

There is also a complete set of inquiry reports back to 1950 organised by date and details of Energy Code Modification Appeal cases.