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You will need :

  • Name
  • Site Address
  • Correspondence Address
  • Email address
  • Contact Phone Number
  • An OSI map (scale 1:2500 Rural, 1:1000 Urban) with your site clearly marked in red and a Site Plan map (scale 1:100-1:500) are mandatory. These are the same maps required to obtain planning permission. Please ensure that your building is clearly outlined on these maps in red. Maps can be ordered at
  • Site co-ordinates that provide the precise geographical location of your premises
  • The connection capacity you require and details of any heavy loads, such as heat pumps. Please consult your Electrical Contractor to ensure we provide an adequate supply.
You can save your application form and come back to it. The information that you have entered will be saved on the completed sections that you have finished.
If you want to update contact information including contact email address for a job in progress go to My Applications and Track your connection.

For an OSI map a scale of 1:2500 is required for rural dwellings and 1:1000 for urban dwellings.

For a Site Plan a scale of 1:100 is required for rural dwellings and 1:500 for urban dwellings.

We recommend that you consult your Electrical Contractor, who will be able to advise you on your capacity/KVA needs.
Please contact the electricity supplier of your choice for information. A list of suppliers is available on

We recommend speaking to your Electrical Contractor before completing the Connection Capacity section of the form to ensure we provide you with an adequate supply.

Your Electrical Contractor will be able to advise you on the capacity/kVA needs for your premises.

Yes. You may apply for multiple connections with a single registration.
Once you have registered, complete the first application form.
It is not possible to apply online for a generator connection. For information on applying for a generator connection, please visit
Connections less than 29 kVA are Domestic. Connections greater than 29 kVA are Commercial.