| 1504 | ATCO Electric Ltd. | Application for approval to discontinue operation and to salvage the substation | 16/05/2012 |
| | ATCO Electric Ltd. | Application for approval to alter and operate substation | 16/05/2012 |
| 1769 | ATCO Electric Ltd. | Appendix 2 to Decision 2012-130 - Decommission and Salvage Telecommunication Tower at Consort Telecommunication Site | 11/05/2012 |
| 1769 | ATCO Electric Ltd. | Appendix 1 to Decision 2012-130 - Alter Consort Telecommunication Site | 11/05/2012 |
| 1779 | ATCO Electric Ltd. | Appendix 2 to Decision 2012-129- Decommission and Salvage Telecommunication Tower at Wintering Hills Telecommunication Site | 11/05/2012 |
| 1779 | ATCO Electric Ltd. | Appendix 1 to Decision 2012-129- Alter Wintering Hills Telecommunication Site | 11/05/2012 |
| 1778 | ATCO Electric Ltd. | Appendix 1 to Decision 2012-128 - Construct Lloydminster Telecommunication Site | 11/05/2012 |
| 1759 | Suncor Energy Inc. | Appendix 1 to Decision 2012-127- Power Plant Exemption | 10/05/2012 |
| 1806 | Oldman 2 Wind Farm Limited | Appendix 1 to DA2012-123- Windy Point 112S Substation | 09/05/2012 |
| 1518 | Alberta Electric System Operator | Appendix 1 to Decision 2012-112 - Christina Lake 240-kV Transmission System Development Needs Identification Document | 24/04/2012 |
| 1710 | Penn West Petroleum Ltd. | Appendix 1 to Decision 2012-109 - Power Plant Exemption | 19/04/2012 |
| 1819 | ENMAX Power Corporation | Appendix 1 to DA2012-94 - Salvage a Wood Structure of Transmission Line 138-6.80L | 13/04/2012 |
| 1792 | Shell Canada Limited | Appendix 1 to Decision 2012-106 - Jackpine Power Plant | 16/04/2012 |
| 1812 | ENMAX Power Corporation | Appendix 1 to DA2012-91 - ENMAX No. 6 Substation | 13/04/2012 |
| 1791 | TransCanada Energy Ltd. | Appendix 1 to Decision 2012-101 - 338-MW Saddlebrook Power Station | 12/04/2012 |
| 1789 | NRGreen Power Ltd. | Appendix 1 to Decision 2012-100 - Morinville Generating Facility | 10/04/2012 |
| 1368 | Alberta Electric System Operator | Red Deer Region Transmission Development Needs Identification Document | 10/04/2012 |
| 1764 | EECOL Electric Corp. | Appendix 2 to Decision 2012-096 - 51.8 kW Solar Power Plant | 04/04/2012 |
| 1764 | EECOL Electric Corp. | Appendix 1 to Decision 2012-096 - 51.8 kW Solar Power Plant | 04/04/2012 |
| 1761 | The City of Medicine Hat | Appendix 1 to Decision 2012-093 - 8-MW Box Springs Wind Farm | 04/04/2012 |
| 1800 | ATCO Electric Ltd. | Appendix 1 to DA2012-86 - Alter Slave Lake 745S Substation | 05/04/2012 |
| 1560 | AltaLink Management Ltd. | Appendix 5 to Decision 2012-087 - Salvage equipment at Winefred 818S Substation | 02/04/2012 |
| 1560 | Alberta Electric System Operator | Appendix 1 to Decision 2012-087 - New Kirby 651S Substation and Transmission Line 428L | 02/04/2012 |
| 1560 | AltaLink Management Ltd. | Appendix 4 to Decision 2012-087 - Alter Winefred 818S Substation | 02/04/2012 |
| 1560 | AltaLink Management Ltd. | Appendix 3 to Decision 2012-087 - New Transmission Line 428L | 02/04/2012 |
| 1560 | AltaLink Management Ltd. | Appendix 2 to Decision 2012-087 - New Kirby 651S Substation | 02/04/2012 |
| 1388 | ATCO Electric Ltd. | Appendix 1 to Decision 2012-088 - Alter Palisades Power Plant | 27/03/2012 |
| 979 | ATCO Electric Ltd. | Appendix 44 to Decision 2012-120- Decommission and Salvage Temporary 144-kV Transmission Line 7L171 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 43 to Decision 2012-120- Temporary 144-kV Transmission Line 7L171 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 42 to Decision 2012-120- Alter Michichi Creek 802S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 41 to Decision 2012-120- A Portion of Transmission Line 7L25 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 40 to Decision 2012-120- Alter 144-kV Transmission Line 7L25 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 15 to Decision 2012-120- Alter 144-kV Transmission Line 7L79 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 39 to Decision 2012-120- Alter 144-kV Transmission Line 7L171 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 38 to Decision 2012-120- New 144-kV Transmission Line 7L128 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 37 to Decision 2012-120- New Currant Lake 896S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 36 to Decision 2012-120- Alter 144-kV Transmission Line 7L110 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 35 to Decision 2012-120- New 144-kV Transmission Line 7LA110 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 34 to Decision 2012-120- Alter Excel 910S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 33 to Decision 2012-120- Alter Oyen 767S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 32 to Decision 2012-120- New 144-kV Transmission Line 7L151 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 31 to Decision 2012-120- Decommission and Salvage Temporary Transmission Line 6L09 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 30 to Decision 2012-120- Temporary 72-kV Transmission Line 6L09 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 29 to Decision 2012-120- New 144-kV Transmission Line 7L132 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 28 to Decision 2012-120- New 144-kV Transmission Line 7L116 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 27 to Decision 2012-120- Alter 72-kV Transmission Line 6L09 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 26 to Decision 2012-120- New Armitage 949S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 25 to Decision 2012-120- New 144-kV Transmission Line 7L150 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 24 to Decision 2012-120- New 240-kV Transmission Line 9L46 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 23 to Decision 2012-120- New Coyote Lake 963S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 22 to Decision 2012-120- New 240-kV Transmission Line 9L29 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 21 to Decision 2012-120- New Lanfine 959S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 20 to Decision 2012-120- New 240-kV Transmission Line 9L24 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 19 to Decision 2012-120- Alter Monitor 774S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 18 to Decision 2012-120- New 144-kV Transmission Line 7L141 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 17 to Decision 2012-120- Connect Transmission Line 9L966 to AltaLink Management Ltd. Transmission Line 966L | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 16 to Decision 2012-120- A Portion of Transmission Line 7L79 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 14 to Decision 2012-120- Alter 144-kV Transmission Line 7L79 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 13 to Decision 2012-120- New 144-kV Transmission Line 7L127 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 12 to Decision 2012-120- New Pemukan 932S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 11 to Decision 2012-120- New 240-kV Transmission Line 9L966 | 10/05/2012 |
| 979 | AltaLink Management Ltd. | Appendix 10 to Decision 2012-120- Alter Hansman Lake 650S Substation | 10/05/2012 |
| 979 | AltaLink Management Ltd. | Appendix 9 to Decision 2012-120- A Portion of Transmission Line 1047L | 10/05/2012 |
| 979 | AltaLink Management Ltd. | Appendix 8 to Decision 2012-120- Alter 240-kV Transmission Line 1047L | 10/05/2012 |
| 979 | AltaLink Management Ltd. | Appendix 7 to Decision 2012-120- New 240-kV Transmission Line 966L | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 6 to Decision 2012-120- A Portion of Transmission Line 9L933 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 5 to Decision 2012-120- Alter 240-kV Transmission Line 9L933 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 4 to Decision 2012-120- Alter Anderson 801S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 3 to Decision 2012-120- New Oakland 946S Substation | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 2 to Decision 2012-120- New 240-kV Transmission Line 9L97 | 10/05/2012 |
| 979 | ATCO Electric Ltd. | Appendix 1 to Decision 2012-120- New 240-kV Transmission Line 9L70 | 10/05/2012 |
| 1777 | ATCO Electric Ltd. | Appendix 1 to DA2012-72 - Alter Bullpound 803S Substation | 29/03/2012 |
| 1514 | ATCO Electric Ltd. | Appendix 8 to Decision 2012-090 - Decommission and Salvage Temporary Bypass on Transmission Line 7L114 | 02/04/2012 |
| 1776 | ATCO Electric Ltd. | Appendix 1 to DA2012-71 - Alteration to High Level 786S Substation | 29/03/2012 |
| 1700 | ATCO Electric Ltd. | Appendix 1 to Decision 2012-082 - Alter Arcenciel 930S Substation | 03/04/2012 |
| 1783 | ATCO Electric Ltd. | Appendix 1 to DA2012-70 - Narrows Point Power Plant | 22/03/2012 |
| 1628 | Fort Hills Energy Corporation | Appendix 1 to Decision 2012-073 - Temporary Generators Fort Hill Oils Sands Project | 19/03/2012 |
| 1579 | ATCO Electric Ltd. | Appendix 5 to Decision 2012-070 - Relocate portion of Transmission Line | 20/03/2012 |
| 1579 | ATCO Electric Ltd. | Appendix 4 to Decision 2012-070 - Relocate Portion of Transmission Line | 20/03/2012 |
| 1579 | ATCO Electric Ltd. | Appendix 3 to Decision 2012-070 - Relocate Portion of Transmission Line 7L47 | 20/03/2012 |
| 1579 | ATCO Electric Ltd. | Appendix 2 to Decision 2012-070 - Relocate Portion of Transmission Line 9L23 | 20/03/2012 |
| 1514 | ATCO Electric Ltd. | Appendix 7 to Decision 2012-090 - Connect 144-kV Transmission Line 7LA114 to Enbridge Pipelines (Athabasca) Inc. Chard 658S Substation | 02/04/2012 |
| 1514 | ATCO Electric Ltd. | Appendix 6 to Decision 2012-090 - New Chard 658S Substation Telecommunications Tower No. 1666 | 02/04/2012 |
| 1514 | ATCO Electric Ltd. | Appendix 5 to Decision 2012-090 - Temporary Bypass on Transmission Line 7L114 | 02/04/2012 |
| 1514 | ATCO Electric Ltd. | Appendix 4 to Decision 2012-090 - New Transmission Line 7LA114 | 02/04/2012 |
| 1514 | ATCO Electric Ltd. | Appendix 3 to Decision 2012-090 - Alter Transmission Line 7L114 | 02/04/2012 |
| 1514 | Enbridge Pipelines (Athabasca) Inc. | Appendix 2 to Decision 2012-090 - New Chard 658S Substation | 02/04/2012 |
| 1514 | Alberta Electric System Operator | Appendix 1 to Decision 2012-090 - Needs Identification Document Chard 658S Substation Connection | 02/04/2012 |
| 1667 | Halkirk I Wind Project Ltd. | Appendix 1 to DA2012-64 - Alter Halkirk 615S Substation | 08/03/2012 |
| 1563 | The City of Calgary | Appendix 2 to Decision 2012-065 - 30-kW Solar Power Plant | 08/03/2012 |
| 1563 | The City of Calgary | Appendix 1 to Decision 2012-065 - 30-kW Solar Power Plant | 08/03/2012 |
| 1758 | EPCOR Distribution & Transmission Inc. | Appendix 1 to DA2012-68 - Alter Transmission Line 930L | 16/03/2012 |
| 1752 | ATCO Electric Ltd. | Appendix 1 to DA2012-62 - Alter Big Knife 843S Substation Battle River Area | 07/03/2012 |
| 1757 | ATCO Electric Ltd. | Appendix 3 to DA2012-69 - Alter Transmission Line 7L71 | 16/03/2012 |
| 1757 | ATCO Electric Ltd. | Appendix 2 to DA2012-69 - Alter Transmission Line 7L47 | 16/03/2012 |
| 1757 | ATCO Electric Ltd. | Appendix 1 to DA2012-69 - Alter Transmission Line 7L165 | 16/03/2012 |
| 861 | AltaLink Management Ltd. | Appendix 17 to Decision 2012-064 - Decommission and Salvage Telecommunications Tower at Colinton 159S Substation | 08/03/2012 |
| 861 | AltaLink Management Ltd. | Appendix 16 to Decision 2012-064 - Decommission and Salvage Telecommunications Tower at Clyde 150S Substation | 08/03/2012 |
| 861 | AltaLink Management Ltd. | Appendix 15 to Decision 2012-064 - Decommission and Salvage Telecommunications Tower at Plamondon 353S Substation | 08/03/2012 |
| 861 | AltaLink Management Ltd. | Appendix 14 to Decision 2012-064 - Decommission and Salvage Telecommunications Tower at Lac La Biche 157S Substation | 08/03/2012 |