If you aren't paying by direct debit you will be required to pay a security deposit. You can avoid this deposit (and benefit from cheaper rates) by opting to pay your bills by direct debit.
Airtricity is a trading name of Airtricity Limited which is a member of the SSE Group.
The Registered Office of Airtricity Limited is Airtricity House, Ravenscourt Office Park, Sandyford, Dublin 18 Ireland.
Registered in the Republic of Ireland No. 317386.