| 1504 | ATCO Electric Ltd. | Alteration of Vermilion 710S Substation | 16/05/2012 |
| 1823 | ATCO Gas and Pipelines Ltd. | Pipeline Split, Removal and New Construction | 15/05/2011 |
| 1393 | ATCO Electric Ltd. | Commission Initiated Review and Variance of Decision 2011-134 | 15/05/2012 |
| | AltaGas Utilities Inc. | Request for Rule 005 Filing Extension | 11/05/2012 |
| 1769 | ATCO Electric Ltd. | Alter Consort Telecommunication Site | 11/05/2012 |
| 1779 | ATCO Electric Ltd. | Alter Wintering Hills Telecommunication Site | 11/05/2012 |
| 1778 | ATCO Electric Ltd. | Construct Lloydminster Telecommunication Site | 11/05/2012 |
| 1765 | Suncor Energy Inc. | Voyageur Camp temporary and backup generators | 10/05/2012 |
| 1804 | ATCO Gas and Pipelines Ltd. (South) | Pipeline Addition – Township 46, Range 27, West of the Fourth Meridian | 10/05/2012 |
| 1805 | ATCO Gas and Pipelines Ltd. (South) | Compressor Removal | 09/05/2012 |
| 1592 | AltaLink Management Ltd.; EPCOR Distribution & Transmission Inc. | Decision on Request for Review and Variance of AUC Decision 2011-436 Heartland Transmission Project | 14/05/2012 |
| 1775 | AltaGas Utilities Inc. | Gas Utilities Act Code of Conduct Regulation, AR 183/2003 Audit Exemption | 08/05/2012 |
| 1773 | ECNG Energy LP | Gas Utilities Act Code of Conduct Regulation, AR 183/2003 Audit Exemption | 08/05/2012 |
| 979 | AltaLink Management Ltd.: ATCO Electric Ltd. | Hanna Region Transmission Development | 08/05/2012 |
| 1663 | EPCOR Distribution & Transmission Inc. | Heartland Cost Award - Decision on request for review and variance of AUC Decision 2011-489: Heartland costs award | 03/05/2012 |
| 1729 | EPCOR Distribution & Transmission Inc. | Bellamy Substation Alteration | 01/05/2012 |
| 1774 | ENMAX Power Corporation | 2012 application to issue debt | 01/05/2012 |
| | ENMAX Power Corporation | Requests for Extensions on Rule 005 and Rates and Technical Report Filings | 27/04/2012 |
| 1646; 1045 | AltaLink Management Ltd. | Interim Costs Awards - Western Alberta Transmission Line | 27/04/2012 |
| 1726 | AltaLink Management Ltd. | 2012 Debt Finance Application | 27/04/2012 |
| 1802 | ATCO Gas | Carbon Rider Reconciliation | 25/04/2012 |
| 1518 | Alberta Electric System Operator | Christina Lake Area 240-kV Transmission System Development Needs Identification Document | 24/04/2012 |
| 1651 | ATCO Electric Ltd. | Alterations to Whitby Lake 819S Substation | 19/04/2012 |
| 1552 | ATCO Pipelines; ATCO Gas and Pipelines Ltd.; CU Inc.; Canadian Utilities Limited | Disposition of Muskeg River Pipeline Assets | 20/04/2012 |
| 1710 | Penn West Petroleum Ltd. | Power Plant Exemption – Sawn Lake Sour Gas Processing and Oil Battery Facilities | 19/04/2012 |
| 1147 | FortisAlberta Inc. | Application for Approval of a Negotiated Settlement Agreement in respect of 2012 Phase I Distribution Tariff Application | 18/04/2012 |
| 1751 | ATCO Gas | 2012 Interim Rates | 19/04/2012 |
| 1792 | Shell Canada Limited | Time extension – Jackpine Power Plant | 16/04/2012 |
| 790 | Milner Power Inc. | Complaint by Milner Power Inc. Regarding the ISO Transmission Loss Factor Rule and Loss | 16/04/2012 |
| 790 | Milner Power Inc. | Complaint by Milner Power Inc. Regarding the ISO Transmission Loss Factor Rule and Loss | 16/04/2012 |
| 1477 | ATCO Electric Ltd. | Micro-Generation Determination | 17/04/2012 |
| 1473 | EPCOR Water Services Inc. | Regional Water Customers Group Rates for Water Supplied by EPCOR Water Services Inc. to RWCG for 2004, 2005, 2006 and 2007 | 12/04/2012 |
| 1791 | TransCanada Energy Ltd. | Time Extension to Complete Saddlebrook Power Station | 12/04/2012 |
| 1789 | NRGreen Power Ltd. | Time Extension to Complete Morinville Generation Facility | 10/04/2012 |
| 1487 | ENMAX Power Corporation | Costs Awards - 2010 Transmission Capital Prudence Review and Preliminary G-Factor Application | 10/04/2012 |
| 1368 | Alberta Electric System Operator | Red Deer Region Transmission System Development Needs Identification Document | 10/04/2012 |
| 1661 | County of Vermilion River | Review of Cost Estimate and Proposed Timing of Pipeline Lowering by ATCO Pipelines Township 50, Range 1, West of the Fourth Meridian | 05/04/2012 |
| 1764 | EECOL Electric Corp. | 51.8-kW Solar Power Plant | 04/04/2012 |
| 1724 | Direct Energy Regulated Services | Request to Amend 2012 Interim Regulated Rate Tariff Rate Schedule E6 – Lighting Service | 05/04/2012 |
| 1101 | ENMAX Power Corporation | 2010 Transmission Capital Prudence Review and Preliminary G-Factor Application | 04/04/2012 |
| 1761 | The City of Medicine Hat | Time Extension to Complete Box Springs Wind Farm | 04/04/2012 |
| 297 | Alberta Electric System Operator | Interim Order - Amendments to OPP 505: Fort McMurray Area Operation, Objections to OPP 505, Removal of OPP 505 and New ISO Rule Section 302.5: Northeast Area Transmission Constraint Management | 09/04/2012 |
| 904 | AltaGas Utilities Inc. | 2010-2012 General Rate Application – Phase I | 09/04/2012 |
| 1514 | Alberta Electric System Operator; Enbridge Pipelines (Athabasca) Inc.; ATCO Electric Ltd. | Chard 658S Substation | 02/04/2012 |
| | EPCOR Energy Alberta Inc. | Regulated Rate Tariff, Second Quarter 2012 Non-Energy Charges | 29/03/2012 |
| 1388 | ATCO Electric Ltd. | Alterations to Palisades Power Plant | 27/03/2012 |
| 1560 | Alberta Electric System Operator; AltaLink Management Ltd. | Kirby 651S Substation and 138-kV Transmission Line 428L | 02/04/2012 |
| 1679 | EPCOR Distribution & Transmission Inc. | Revised 2012 Interim Distribution Access Service Rates | 26/03/2012 |
| 1581 | Alberta Electric System Operator | ENMAX Energy Corporation Objection to ISO Rule 302.1 – Real Time Transmission Constraint Management | 26/03/2012 |
| 1647 | FortisAlberta Inc. | Compliance Filing – Special Facilities Charge | 23/03/2012 |
| 1702 | AltaLink Management Ltd. | Costs Awards - Airdrie Area 138-kV Transmission Reinforcement | 22/03/2012 |
| 1700 | ATCO Electric Ltd. | Arcenciel 930S Substation Alteration | 03/04/2012 |
| 1749 | ATCO Electric Ltd. | Quarter 2 2012 System Access Service Deferral Rider S | 23/03/2012 |
| 1699 | EPCOR Distribution & Transmission Inc. | Quarter 2 2012 Transmission Charge Deferral Account True-up Rider | 23/03/2012 |
| 1690 | ENMAX Power Corporation | Quarter 2 2012 Transmission Access Charge Deferral Account Rider | 23/03/2012 |
| 1718 | ATCO Gas and Pipelines Ltd. (South) | Pipeline Deletion – Township 67, Range 10, West of the Fifth Meridian | 22/03/2012 |
| 1556 | ATCO Gas, ATCO Pipelines, and ATCO Electric Ltd. | Decision on Request for Review and Variance of AUC Decision 2011-391 | 22/03/2012 |
| 1069; 1662 | ATCO Electric Ltd. | Interim Costs Awards - Eastern Alberta Transmission Line | 22/03/2012 |
| 1613 | ATCO Electric Ltd. | Costs Awards - Application for Approval of a Negotiated Settlement Agreement in respect of the 2011-2012 Phase II Distribution Tariff Application | 23/03/2012 |
| 913 | AltaLink Management Ltd. | Wild Rose 1 and Wild Rose 2 Wind Energy Interconnection | 21/03/2012 |
| 1628 | Fort Hills Energy Corporation | Temporary Generators at the Fort Hills Oil Sands Project | 19/03/2012 |
| 1637 | FortisAlberta Inc. | Inter-Affiliate Code of Conduct Compliance Plan: Communication and Training Exemption | 20/03/2012 |
| 1688 | ATCO Electric Ltd. | 2012 Final Distribution Tariff Application | 30/03/2012 |
| 1579 | ATCO Electric Ltd. | Parson Area Transmission Line Relocations | 20/03/2012 |
| 1435; 1069 | ENMAX Corporation | Eastern Alberta Transmission Line Decision on Preliminary Question Review and Variance of Ruling dated August 12, 2011 | 11/04/2012 |
| 1196 | ATCO Pipelines, ATCO Gas and Pipelines Ltd., CU Inc., Canadian Utilities Limited | Disposition of Surplus Salt Cavern Assets in the Fort Saskatchewan Area | 16/03/2012 |
| 1660 | Nexen Inc.; Encana Corporation | Ownership Name Change of Transmission Line PCES02L | 09/03/2012 |
| 1258 | ENMAX Power Corporation | ENMAX No. 54 Substation and Interconnecting Transmission Lines | 09/03/2012 |
| 1563 | The City of Calgary | 30-kW Solar Power Plant | 08/03/2012 |
| 861 | AltaLink Management Ltd. | Athabasca Area Telecommunications Upgrades Facility Application | 08/03/2012 |
| 1635 | EPCOR Distribution & Transmission Inc. | Costs Awards - 2012 Interim System Access Service Tariff | 01/03/2012 |
| 1712 | Oldman 2 Wind Farm Limited | Time Extension to Construct 46-MW Oldman 2 Wind Farm | 29/02/2012 |
| 1737 | ATCO Gas and Pipelines Ltd. (South) | Pipeline Removal Township 16, Range 24, West of the Fourth Meridian | 01/03/2012 |
| 1650 | ATCO Electric Ltd. | Heisler 764S Substation Expansion and 144-kV Transmission Line | 27/02/2012 |
| 1449 | Alberta Electric System Operator | Competitive Process Pursuant to Section 24.2(2) of the Transmission Regulation Part A: Statutory Interpretation | 27/02/2012 |
| 1695 | AltaGas Utilities Inc. | Amendment to Increase Maximum Operating Pressure Townships 60 and 61, Range 5, West of the Fourth Meridian | 24/02/2012 |
| 1368 | Alberta Electric System Operator | Red Deer Region Transmission System Development Needs Identification Document Pre-hearing Conference | 02/03/2012 |
| 1722 | Alberta Electric System Operator | Approval of Alberta reliability standard definitions | 24/02/2012 |
| 1721 | Alberta Electric System Operator | Approval of Alberta reliability standard PRC-018-AB-1 | 24/02/2012 |
| 1686 | ENMAX Energy Corporation | Cost Awards - 2011 – 2014 Energy Price Setting Plan Negotiated Settlement Agreement | 23/02/2012 |
| 1092 | Alberta Electric System Operator; ATCO Electric Ltd. | Halkirk Wind Connection | 28/02/2012 |
| 1621 | Alberta Electric System Operator | Willesden Green 68S Substation Modification | 17/02/2012 |
| 1554 | ATCO Electric Ltd. | Cost Awards - 2010 Deferral Accounts and Annual Filing for Adjustment Balances | 14/02/2012 |
| 1511 | ATCO Pipelines | Request to Negotiate 2013 Revenue Requirement | 14/02/2012 |
| 1682 | ATCO Electric Ltd. | Discontinuation of the Operation of an Electric Distribution System Cadron-Highway Rural Electrification Association Ltd. | 16/02/2012 |
| 1603 | ATCO Electric Ltd. | Drumheller Telecommunications Site No. 1451 Tower Replacement and Site Expansion | 09/02/2012 |
| 1604 | ATCO Electric Ltd. | Fleet Telecommunications Site No. 1469 Tower Replacement and Site Expansion | 09/02/2012 |
| 1520 | Alberta Electric System Operator | Cost Award - Fidler 312S Substation and 240 kV Transmission Line | 08/02/2012 |
| 1178 | Public Safety Canada | Diesel and Wind Power Plants | 07/02/2012 |
| 1150 | AltaLink Management Ltd. | Cassils to Ware Junction 240-kV Transmission Line | 06/02/2012 |
| 1391 | EPCOR Distribution & Transmission Inc.; EPCOR Energy Alberta Inc. | Cost Awards - 2010-2011 Phase 1 Distribution Tariff, 2010-2011 Transmission Facility Owner Tariff; and 2010-2011 Non-Energy Regulated Rate Tariff Corporate Costs Module | 10/02/2012 |
| 1618 | City of Spruce Grove | Franchise Agreement with ATCO Gas and Pipelines Ltd. and Amendment to Rider “A” | 03/02/2012 |
| 1566 | Canada Control Works Inc. | Decision on Preliminary Question, Review and Variance of Closure of Complaint Dated October 13, 2011 | 03/02/2012 |
| 738 | Geilectric Inc. | New 69-MW Welsch Wind Power Project and Welsch Substation | 06/02/2012 |
| 1589 | AltaGas Utilities Inc. | Termination of Natural Gas Franchise Agreement with the Village of New Sarepta | 02/02/2012 |
| 1677 | ATCO Gas and Pipelines Ltd. (South) | Pipeline Split, Removal and New Construction Township 24, Range 2, West of the Fifth Meridian | 03/02/2012 |
| 1445 | AltaLink Management Ltd. | Costs Awards - Amendment to Cost Decision 2011-462 | 02/02/2012 |
| 1574 | AltaGas Holdings Inc. | Gordondale Power Plant | 02/02/2012 |
| 1508 | AltaLink Management Ltd. | Cost Awards - New Westwood 422S Substation and 138-kV Transmission Line Interconnection | 27/01/2012 |
| 1513 | ATCO Pipelines | 2011 Final Revenue Requirement, Final Rates Filing and Deferral Account | 27/01/2012 |