Transmission facility decisions

Transmission decisions

Decisions on the siting/routing of facility projects

 

Return to the facilities decision index page

All new electric transmission facilities (with the exception of a small number of projects classified as critical transmission infrastructure) require two separate approvals from the AUC: (i) an approval of the need for new facilities as set out in a needs identification document (NID) filed by the Alberta Electric System Operator (AESO) under the Electric Utilities Act; and (ii) an approval of a facility application for the specific siting or routing of the new facilities, which is made by a transmission facility owner under the Hydro and Electric Energy Act. In a facility application, the Commission considers if approval of the proposed facilities is in the public interest having regard to the project's social, economic and environmental effects. A facility application may be considered by the Commission in conjunction with a related NID application, or on its own following approval of a NID. Transmission facilities include transmission lines and substations.

The issues typically considered in transmission facility decisions include:

  • Consultation – includes adequacy, scope of consultation with landowners, other interested parties.
  • Property impacts – includes property value, agricultural impacts, business impacts, future development impacts.
  • Health and safety – includes electromagnetic fields (EMF).
  • Routing and siting – includes route development, route/site choice (preferred or alternative), transportation utility corridors, structure choice, construction impacts.
  • Environment – includes wildlife, plants, native prairie, water and water crossings.
  • Electrical effects includes pipeline interference and mitigation, stray voltage, radio frequency interference.
  • Project cost – includes costs of preferred vs alternative routes.
  • Noise includes noise impact assessment, post construction monitoring.
  • First Nations – includes consultation, impacts to constitutional rights.
  • Critical transmission infrastructure – whether facilities are critical transmission infrastructure as defined in the legislation.
  • Uncontested – applications with no outstanding objections, or objections were received and the AUC determined that the parties did not meet the test for standing.

 

Decisions for reference

  
  
  
  
  
Issues
  
21973-D01-2017Alberta Electric System Operator; AltaLink Management Ltd.Chestermere 419S and Balzac 391S Modification Need and Facility Applications21973Need: generation or load growth, Need: system access service, Consultation, Property impacts, Health and safety, Environment, Project cost, Noise
21761-D01-2017Alberta Electric System Operator; ATCO Electric Ltd. Hughes 2030S Substation21761Consultation, Property impacts, Health and safety, Routing and siting, Environment
21857-D01-2017Alberta Electric System Operator; AltaLink Management Ltd.Wainwright Transmission Reinforcement21857Need: reliability, Need: system access service, Consultation, Property impacts, Routing and siting, Environment, Electrical effects, Noise
20987-D01-2016AltaLink Management Ltd.South and West of Edmonton Area Transmission Development - Harry Smith Development20987Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting, Environment, Electrical effects, Project cost, Noise
20924-D01-2016AltaLink Management Ltd.South and West of Edmonton Area Transmission Development Cooking Lake, Saunders Lake, Wabamun and Leduc Developments20924Transmission line, Substation, TelecommunicationsProperty impacts, Health and safety, Routing and siting, Environment, Project cost, Noise
3450-D01-2015AltaLink Management Ltd.Transmission Line 423L3450Transmission line, SubstationConsultation, Property impacts, Routing and siting, Environment, Electrical effects, Project cost, Noise
3368-D01-2015ENMAX Power Corporation138-2.82L and 138-2.83L Transmission Realignment3368Transmission lineProperty impacts, Routing and siting, Project cost
3362-D01-2015AltaLink Management Ltd.Springbank 9273R Radio Site Telecommunications Upgrade3362TelecommunicationsProperty impacts, Health and safety, Routing and siting
2014-349City of Medicine Hat Electric UtilityTransmission Line MH-20L Upgrade Project3168Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting
2014-219AltaLink Management Ltd.Red Deer Area Transmission Development2669Transmission line, SubstationProperty impacts, Routing and siting, Environment, Project cost, Noise
2013-446ATCO Electric Ltd.St. Paul Transmission Project2024Transmission line, SubstationConsultation, Property impacts, Routing and siting, Environment, Project cost
2013-386AltaLink Management Ltd.Medicine Hat Area 138-kV Transmission Development1879Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting, Environment
2013-323NaturEner Wild Rose 2 Energy Inc.Time Extension for Completing Construction of the Wild Rose 2 Wind Power Project2801Transmission line, SubstationProperty impacts, Health and safety, Routing and siting, Environment, Project cost
2013-233_errataATCO Electric Ltd.Bonnyville to Bourque Transmission Project1855Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting, Environment
2013-119AltaLink Management Ltd.; EPCOR Distribution & Transmission Inc.Heartland Amendment Application Structure 175 and 176 Repositioning2007Transmission lineConsultation, Routing and siting
2012-327AltaLink Management Ltd.Western Alberta Transmission Line Project1045Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting, Environment, Project cost, Constitutional question
2012-303ATCO Electric Ltd.Eastern Alberta Transmission Line Project1069Transmission line, Converter stationConsultation, Property impacts, Health and safety, Routing and siting, Environment, Noise
2012-305AltaLink Management Ltd.Eastern Alberta Transmission Line Interconnection and Interface Project1884Transmission line, SubstationEnvironment
2012-293AltaLink Management Ltd.Transmission Line 902L Conductor Replacement1394Transmission lineConsultation, Property impacts, Health and safety, Routing and siting, Environment
2012-120AltaLink Management Ltd.: ATCO Electric Ltd.Hanna Region Transmission Development979Transmission line, SubstationProperty impacts, Health and safety, Routing and siting, Environment
2012-074AltaLink Management Ltd.Wild Rose 1 and Wild Rose 2 Wind Energy Interconnection913Transmission line, SubstationConsultation, Property impacts, Health and safety, Electrical effects
2011-503ATCO Electric Ltd.Nevis to Stettler Transmission Project1302Transmission line, SubstationEnvironment
2011-445AltaLink Management Ltd.New 240/138-kV Nilrem 574S Substation, Double-circuit 240-kV Transmission Lines 953L/1047L and Double-circuit 138-kV Transmission Lines 679L/680L938Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting, Environment, Project cost
2011-435ENMAX Power Corporation and AltaLink Management Ltd.No. 65 Substation and Interconnection1007SubstationNoise, Critical transmission infrastructure
2011-436AltaLink Management Ltd.; EPCOR Distribution & Transmission Inc.Heartland Transmission Project457Transmission line, SubstationConsultation, Property impacts, Health and safety, Routing and siting, Environment, Electrical effects, Project cost, Noise, Critical transmission infrastructure
2011-423AltaLink Management Ltd.New Westwood 422S Substation and 138-kV Transmission Line Interconnection1070Transmission line, SubstationProperty impacts, Routing and siting, Environment, Project cost
2011-416AltaLink Management Ltd.Leduc 325S Substation and 138-kV Interconnection737Transmission line, SubstationProperty impacts, Routing and siting, Environment, Project cost
2011-250AltaLink Management Ltd.Cassils 324S – Bowmanton 244S – Whitla 251S Substations and Associated 240-kV Transmission Lines748Transmission line, SubstationProperty impacts, Health and safety, Environment, Project cost
2009-194Imperial Oil Resources Ventures Ltd.Kearl Oil Sands 240-kV Transmission Line Alteration360Transmission line, SubstationUncontested
2009-193AltaLink Management Ltd.Re-Energize Transmission Line 1202L, Re-Terminate 240-kV Transmission Line 190/903L206Transmission line, SubstationHealth and safety, Environment
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