EirGrid is Ireland’s independent Transmission System Operator. Customers should note that EirGrid does not buy or sell electricity, but facilitates the connection of generation and large scale demand customers to the Transmission System.
Connecting to the Transmission SystemDetails on connecting to the Transmission System can be found on this website. Please follow the relevant links on the right hand side of your screen.
Domestic Connections or Generation Connections less than 20MWFor more information relating to generation connections less than 20MW or any domestic connections, please visit the ESB Networks website or contact them directly on +353 1 850 372 757.
For further information on Micro-Generation please contact ESB Networks on +353 1850 372 757 or visit the Sustainable Energy Ireland (SEI) website or by calling SEI on +353 23 42193.
Changing your Supplier
For information pertaining to changing your supplier please visit the Commission for Energy Regulation’s (CER) dedicated energy customer website – http://www.energycustomers.ie.
Modification to your Connection Agreement
In the event that a customer with an existing Connection Offer or Connection Agreement wishes to submit a modification request, that includes changes to information provided in the original application form, the customer must submit a formal request to the relevant System Operator (SO) in line with the defined modification process. Further details can be found on the Modifications - Offer and Connection Agreement Change Process page of this website.