| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-278 - Gas Utility Pipeline Abandonment | 22-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-277 - Gas Utility Pipeline Abandonment | 22-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-269 - Gas Utility Pipeline Pipeline Split, Abandonment, Record Corrections and Mapping Correction | 17-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-256 - Gas Utility Pipeline Pipeline Split, Removal and Record Correction | 14-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-257 - Gas Utility Pipeline Record Corrections and Mapping Correction | 14-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-254 - Gas Utility Pipeline Split, Removal and Record Correction | 11-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-249; Pipeline Split, Gas Utility Pipeline Removal and New Construction | 09-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-250; Gas Utility Pipeline New Construction | 09-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-247; Gas Utility Pipeline Record Corrections and Mapping Correction | 08-Dec-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-223 - Gas Utility Pipeline Pipeline Split, Abandonment, Deletion, Removal, Record Corrections and Mapping Corrections | 04-Dec-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-225 - Gas Utility Pipeline New Pipeline Construction | 30-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-224 Gas Utility Pipeline Record Corrections | 27-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-229 -Gas Utility Pipeline Record Corrections and Mapping Correction | 27-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-219 - Gas Utility Pipeline New Construction | 19-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-212 - Gas Utility Pipeline Abandonment | 19-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-211 - Gas Utility Pipeline new Construction | 19-Nov-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-197 - Gas Pipeline Abandonment | 09-Nov-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-196 - Gas Utility Pipeline Abandonment | 04-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-163 - Pipeline Split, Replacement and MOP Decrease | 03-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-192 - Gas Utility Pipeline MOP Decrease and Record Corrections | 02-Nov-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-181 - New Construction | 29-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-185 - Pipeline Split and Removal | 27-Oct-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-182 - Record Correction | 27-Oct-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-180 - Record Correction | 27-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-179 - Pipeline Discontinuation | 27-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-175 | 22-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-172 Gas Utility Pipeline MOP Decrease | 21-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-173 Gas Utility Pipeline Removal and Record Corrections | 21-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Pipeline Removal and Record Corrections | 20-Oct-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-162, Pipeline Split, Abandonment and New Construction | 19-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Pipeline Split, Removal and New Construction | 08-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-158 - Pipeline Split, New Construction and Record Correction | 07-Oct-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-160 - New Pipeline Construction | 07-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-154 - Gas Utility Pipeline New Construction | 05-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-145 - Gas Utility Pipeline New Construction | 05-Oct-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-147 - Gas Utility Pipeline Split, Removal and New Construction | 24-Sep-2009 |
| AltaGas Utilities Inc. | Appendix 1 to Decision 2009-146 - Gas Utility Pipeline New Pipeline Construction | 24-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-122 | 22-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix to Decision 2009-137 - Gas Utility Pipeline Deletion | 18-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Pipeline Spit and Replacement Appendix 1 to Decision 2009-132 | 18-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-131 - Gas Utility Pipeline Pipeline Split, Record Corrections and Replacement | 15-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-128 - Gas Utility Pipeline Pipeline Split, Removal, Record Correction and New Construction | 15-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-130 - Gas Utility Pipeline Pipeline Split, Removal and New Construction | 15-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-131 - Amendment/addition due to insufficient cover on the pipeline across a Western Irrigation District Canal | 15-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-124 - Pipeline Re-instatement | 10-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-123 - Pipeline Split and Replacement | 10-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-125 - Pipeline Removal and Mapping/ Record Corrections | 10-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Appendix 1 to Decision 2009-121 - Gas Utility Pipeline Split and Removal | 10-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 04-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Amendment | 03-Sep-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 26-Aug-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 25-Aug-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Errata to Permit/Licence No. 52 Issued | 27-Aug-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 25-Aug-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 25-Aug-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 11-Aug-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 30-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 31-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 30-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 31-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 31-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 31-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 31-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 31-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 28-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 28-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 28-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 28-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 28-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/ Addition | 22-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/ Addition | 16-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/ Addition | 15-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 13-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 13-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Addition | 13-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 08-Jul-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 06-Jul-2009 |
| AltaGas Utilities Inc. | Gas Utility Pipeline Licence Amendment | 30-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 29-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 29-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 26-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/ Addition | 30-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 25-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 25-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Addition | 25-Jun-2009 |
| AltaGas Utilities Inc. | Gas Utility Pipeline Licence Addition | 24-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Amendment | 19-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Amendment | 19-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 19-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 19-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 18-Jun-2009 |
| AltaGas Utilities Inc. | Gas Utility Pipeline Licence Addition | 18-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 12-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline New Pipeline Licence | 12-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 12-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Addition | 12-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 12-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment/Addition | 12-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 10-Jun-2009 |
| ATCO Gas and Pipelines Ltd. (South) | Gas Utility Pipeline Licence Amendment | 05-Jun-2009 |