New Connections & the Certification Process

Certification Process

Every time a Registered Electrical Contractor completes a new electrical installation, extension, or modification to an existing installation he/she is obliged to test and certify that the installation complies with current standards.

A validated Electrical Completion Certificate, where applicable, must be sent to ESB Networks by the electrical contractor's regulatory body before any connection work can commence. Every customer should receive a copy of an Electrical Completion Certificate whenever electrical work is completed.

Make sure you keep your copy of the certificate. This requirement helps to ensure your safety. Typical situations where a completion certificate is required are:

  • Building an extension to an existing dwelling or premises
  • Building a new dwelling or premises 
  • Altering the internal electrical wiring in any existing dwelling or premises
  • Reconnecting a dwelling or premises that has been disconnected for more than six months
  • Connecting electric fences and other installations.

Regulating Bodies

Commission for Regulation of Utilities (CRU)

  • Is the independent body responsible for overseeing the liberalisation of Ireland's energy sector. The CRU is the regulator for the electricity industry in Ireland. 
  • The Safe Electric Scheme oversees the registering of electrical contractors. Registration under Safe Electric means the contractor is legally registered and insured. This scheme is sponsored by the Commission for Regulation of Utilities. For further information on Registered Electrical Contractors go to Safe Electric.


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1800 372 757