Towns currently connected (or proposed to be connected) by BGE to the network are detailed by county in the table below: | County | List of Towns Supplied with Natural Gas up to 31st July 2005 |
| Co. Cork | Castlemartyr, Ballincollig, Ballygarvan, Bandon, Blarney, Carrigaline, Carrigtwohill, Cobh, Cork City, Fermoy, Glanmire, Glounthaune, Little Island, Mallow, Midleton, Mitchelstown, Passage West, Whitegate,Watergrasshill and Charleville. |
| Co. Carlow | Carlow Town & Environs. |
| Co. Cavan | Kingscourt, Virginia. |
| Co. Clare | Bunratty, Cratloe, Killaloe, Meelick, Sixmilebridge. Shannon, Clarecastle and Ennis. |
| Co. Dublin | Balbriggan, Balrothery, Donabate, Dublin City, Leixlip, Loughshinny, Lucan, Lusk, Portrane, Rathcoole, Rush, Saggart, Skerries. |
| Co. Galway | Ballinasloe, Galway City |
| Co. Kildare | Athy, Ballymore Eustace, Caragh, Castledermot, Celbridge, Clane, Johnstown, Kilcock, Kilcullen, Kildare Town, Kilkea, Kill, Leixlip, Maynooth, Naas, Newbridge, Prosperous, Sallins, Straffan. |
| Co. Kilkenny | Kilkenny City. |
| Co. Laois | Portlaoise, Stradbally, Portarlington. |
| Co. Limerick | Adare, Annacotty, Ballyneety, Castleconnel, Castletroy, Limerick City, Patrickswell. |
| Co. Louth | Ardee, Blackrock, Clogherhead, Drogheda, Dromiskin, Dundalk, Dunleer, Termonfeckin, Tullyallen. |
| Co. Meath | Ashbourne, Bettystown, Clonee, Donacarney, Duleek, Dunboyne, Dunshaughlin, Gormanstown, Laytown, Mornington, Navan, Ratoath, Robinstown, Stamullen, Trim. Longwood and Enfield. |
| Co. Monaghan | Carrickmacross. |
| Co. Offaly | Tullamore, Clara. |
| Co. Tipperary | Ballina, Ballyclerahan, Carrick on Suir, Clonmel, Newport. |
| Co. Waterford | Tramore, Waterford City. |
| Co. Westmeath | Athlone, Mullingar |
| Co. Wicklow | Arklow, Blessington, Delgany, Greystones, Kilcoole, Kilmacanogue, Newtownmountkennedy, Rathnew, Glenealy, Rathdrum, Wicklow Town. |