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Complaint to an energy supplier (Ireland)

Ireland · in English · for consumers

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For a household customer in Ireland with a problem with an electricity or gas supplier: a high or estimated bill, a wrong meter reading, a payment taken twice, trouble switching, or arrears you dispute. The letter is the formal complaint under the supplier's own complaints code. If its final response does not settle it, the Commission for Regulation of Utilities (CRU) Customer Care Team takes the complaint free. Send it by email or registered post (An Post), with a meter reading.

  • Last updated November 3, 2026
  • Document in English
Consumer
English
Complaint & Appeal
Ireland
Print & sign
1 page

Published byDocMuse

When to use this document

  • Your electricity bill in Ireland is far higher than usual and based on an estimate.
  • The gas supplier took a payment twice and will not refund it.
  • You switched supplier and the old one is still billing you.
  • You want to make a formal complaint to your energy company.

What you fill in

The details the document asks for.

  • Sender
  • Sender's address
  • Town and county (e.g. Ennis, Co. Clare; or Dublin 8)
  • Sender's Eircode
  • Date
  • Provider
  • Energy supplier's postal address
  • Account number
  • MPRN (electricity) or GPRN (gas), from your bill (blank to leave out)
  • What the complaint is about
  • Requested outcome
  • Date of the complaint
  • Complaint reference number the company gave you (blank if none)

Common questions

When can I take an energy complaint to the CRU in Ireland?
After you have been through the supplier's own complaints process and are not satisfied with its final response. The CRU's Customer Care Team then looks at the complaint free of charge (cru.ie), and aims to resolve it within 90 days. Each supplier's code of practice says how long it takes to give its final response, often two months.
What should I check on an Irish electricity or gas bill before I complain?
Whether the bill is based on an actual or an estimated meter reading; your MPRN (electricity) or GPRN (gas) and the meter readings shown; and the unit rates and standing charges against your contract. Send a dated photo of the meter with your complaint, and keep copies of the bills and of every message with the supplier.
Who do I contact in Ireland about a power cut or a faulty meter?
Power cuts, electricity connections and electricity meters are ESB Networks' responsibility, and the gas network and gas meters are Gas Networks Ireland's, whichever supplier you use. Your supplier deals with your bills, your tariff and your account, so a complaint about those goes to the supplier.

How you can sign this document

  • Print it and sign by hand. The signature lines in the document are left blank on purpose — sign on them in ink.
  • Sign it yourself with a qualified electronic signature. If you already hold a QES — Evrotrust, B-Trust, StampIT, ZealiD or any qualified provider on the EU Trusted List, on a card, a USB token, in a mobile app or in the cloud — our signing guide explains step by step how to sign this exact file without invalidating it. Step-by-step help, and a way to check it worked

DocMuse sells documents, not legal advice. Acceptance always depends on the recipient's rules and your local law.

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