Transmission Projects
Projects are any upgrades, reinforcements, system expansions or customer connections that modify the transmission system in the province.
Latest Updates
Latest updates
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AESO NID Approval Cancellation Filed: McLaughlin Wind Power Plant Connection
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Cancellation Notice: McLaughlin Wind Power Plant Connection
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NID Approval Cancellation filed: Drywood Expansion Power Plant Connection
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Cancellation Notice for the Drywood Expansion Power Plant Connection
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Cancellation Notice: Kirkcaldy Solar Energy Centre Connection
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Cancellation Notice: Coleman 799S Substation Upgrade
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Cancellation Notice: Sol Aurora Project Connection
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Cancellation Notice: Lathom Solar Project Connection
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AESO NID Approval Cancellation filed: Whitetail Peaking Station Connection
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Cancellation Notice: Whitetail Peaking Station Connection
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Notice of Filing: Kirkcaldy Solar Energy Centre Connection
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AESO NID Cancellation Filed: Hughes 2030 Substation
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Cancellation Notice: Hughes 2030S Substation
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Cancellation Notice: Canada Kuwait Petrochemical Facility Connection
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Need Overview: Prominence Solar Project Connection
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AESO NID Cancellation Filed: Suncor Forty Mile Wind Power Project Whitla Connection
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Cancellation Notice: Suncor Forty Mile Wind Power Project Whitla Connection
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Abbreviated Needs Approval Process: Notice of Approval for the Sollair Solar Energy Project Connection
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Market Participant Notification for the Lathom Solar Project Connection in the Bassano area
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Abbreviated Needs Approval Process: Notice of Consideration for the Sollair Solar Energy Project Connection
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Updated Need Overview: Wild Rose 2 Wind Power Project Connection
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Cancellation Notice: Wild Rose 1 Wind Power Project Connection
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Abbreviated Needs Approval Process: Notice of Approval for the Wheatcrest Solar Project Connection
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Need Overview: Sol Aurora Project Connection
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Abbreviated Needs Approval Process: Notice of Consideration for the Wheatcrest Solar Project Connection
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AESO NID Filed: Forty Mile Wind Power Plant Connection
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Need Overview: Kirkcaldy Solar Energy Centre Connection
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Market Participant Notification for the Sollair Solar Energy Project Connection in the Airdrie area
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AESO Checklist NID Filed: Genesee Units G6 and G7 Connection
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AESO Checklist NID Amendment Filed: Paintearth Wind Project Connection
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Market Participant Notification for the Wheatcrest Solar Project Connection in the Enchant area
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Notice of Filing: Forty Mile Wind Power Plant Connection
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Notice of Filing: Genesee Units G6 and G7 Connection
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Notice of NID Approval Amendment Filing: Paintearth Wind Project Connection
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Market Participant Notification for the Forty Mile Wind Power Plant Connection in the Bow Island area
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Abbreviated Needs Approval Process: Notice of Approval for the Hilda Wind Power Project Connection
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Abbreviated Needs Approval Process: Notice of Approval for the Freer 2043S Substation
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Abbreviated Needs Approval Process: Notice of Consideration for the Hilda Wind Power Project Connection
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Abbreviated Needs Approval Process: Notice of Consideration for the Freer 2043S Substation
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Updated Need Overview: Paintearth Wind Project Connection
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Market Participant Notification for the Hilda Wind Power Project Connection in the Cypress County area
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Need Overview: Lathom Solar Project Connection
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Need Overview: Sollair Solar Energy Project Connection
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AESO NID Filed: Wheatland Wind Project Connection NID Approval Amendment
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Need Overview: Forty Mile Wind Power Plant Connection
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Need Overview: Genesee Units G6 and G7 Connection
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Cancellation Notice: Deerland Peaking Station Energy Connection
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Notice of NID Approval Amendment Filing: Wheatland Wind Project Connection
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Need for the Hilda Wind Power Project Connection in the Cypress County area
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Market Participant Notification for the Wheatland Wind Project Connection in the Dorothy Area
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AESO Checklist NID Filed: Sharp Hills Wind Farm Connection NID Approval Amendment
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AESO NID Checklist Filed: Grizly Bear Creek Wind Power Plant Connection Amendment
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Need Overview: Freer 2043S Substation
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Need Overview: Wheatcrest Solar Project Connection
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AESO Checklist NID Filed: Hand Hills Wind Project Connection
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Notice of Amended Filing: Sharp Hills Wind Farm Connection
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Notice of Amended Filing: Grizzly Bear Creek Wind Power Plant Connection
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Notice of Filing: Hand Hills Wind Project Connection
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NID Approval Cancellation Filed: Eyre 558S Substation
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NID Approval Cancellation Filed: Armitage 949S Substation
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NID Approval Cancellation Filed: Currant Lake 986S Substation
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Market Participant Notification for the Grizzly Bear Creek Wind Power Plant Connection in the Vermillion area
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Market Participant Notification for the Hand Hills Wind Project Connection in the Delia area
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Cancellation Notice: Westlock 438S Substation Upgrade and Fort Assiniboine 234S Substation Modification
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Cancellation Notice: Armitage 949S Substation
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Cancellation Notice: Currant Lake 896S Substation
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Cancellation Notice: Eyre 558S Substation
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NID Approval Amendment: Vincent 2019S Substation and the Grizzly Bear Creek Wind Power Plant Connection
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Cancellation Notice: Vincent 2019S Substation
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AESO NID Cancellation Filed: Peace Butte Wind Energy Connection
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ANAP Approval: North Lethbridge 370S Substation Modification Project
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AESO NID Filed: Horizon Mining 838S Substation Modification
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Grizzly Bear Creek Wind Power Plant Connection
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Notice of Intention to Consider ANAP: North Lethbridge 370S Substation Modification Project
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Updated Need Overview: Wheatland Wind Project Connection
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Need Overview: Hand Hills Wind Project Connection
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Notice of Filing: Horizon Mining 838S Substation Modification
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AESO NID Filed: Garden Plain Wind Power Project Connection
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North Lethbridge 370S Substation Modification Project
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Notice of Filing: Garden Plain Wind Power Project Connection
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Market Participant Notification for the Garden Plain Wind Power Project Connection
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ANAP Approval: Summerside Substation Upgrade
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Cancellation Notice: Old Elm Wind Farm Project Connection
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AESO NID Filed: Lanfine North Wind Power Project Connection
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Notice of Intention to Consider ANAP: Summerside Substation Upgrade
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Updated Need Overview: Sharp Hills Wind Farm Connection
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AESO Amended NID Filed: Paintearth Wind Project Connection
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Need Overview: Horizon Mining 838S Substation Modification
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Notice of Filing: Lanfine North Wind Power Project Connection
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Updated Need Overview: Garden Plain Wind Power Project Connection
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ANAP Approval: North Lethbridge 370S Substation Upgrade
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Notice of Amended Filing: Need for the Paintearth Wind Project Connection in the Halkirk area
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Notice of Intent to Consider ANAP: North Lethbridge 370S Substation Upgrade
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Market Participant Notification for the Paintearth Wind Project Connection in the Halkirk area
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Market Participant Notification for the Pattern Lanfine North Wind Power Project Connection in the Oyen area
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Updated Need Overview: Paintearth Wind Project Connection
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Need Overview: Summerside Substation Upgrade
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Need Overview: Coleman 799S Substation Upgrade
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AESO NID Cancellation Filed: Mustus Biomass Energy Connection
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Cancellation Notice: Capital Power Energy Centre Connection
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Cancellation Notice: Mustus Biomass Energy Connection
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Need Overview: North Lethbridge 370S Substation Upgrade
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Need Overview: Old Elm Wind Farm Project Connection
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AESO NID Cancellation Filed: Grist Lake 190S Substation Cancellation
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AESO NID Cancellation Filed: Calgary Energy Centre Peaking Plant Connection Cancellation
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Cancellation Notice: Grist Lake 190S Substation
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Cancellation Notice: Calgary Energy Centre Peaking Plant Connection
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AESO NID Filed: Cypress Wind Power Project Connection
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AESO NID Cancellation Filed: Carmon Creek Co-generation Connection
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Notice of Filing: Cypress Wind Power Project Connection
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AESO NID Filed: Rattlesnake Ridge Wind Project Connection
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Cancellation Notice: Carmon Creek Co-generation Connection
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Notice of Filing: Rattlesnake Ridge Wind Project Connection
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AESO NID Approval Cancellation Filed: BluEarth Hand Hills Wind Energy Connection
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AESO NID Approval Cancellation Filed: Suncor Hand Hills Wind Energy Connection
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Need Overview: Need for the Rattlesnake Ridge Wind Project Connection in the City of Medicine Hat area
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Need Overview: Cypress Wind Power Project Connection
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Cancellation Notice: Hand Hills Wind Energy Connections
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Need Overview: Need for the Canada Kuwait Petrochemical Facility Connection in the City of Fort Saskatchewan area
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AESO NID Filed: Windrise Wind Power Project Connection
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Cancellation of the Needs Identification Document Approval of the Queenstown Power Plant Connection
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Notice of Filing: Windrise Wind Power Project Connection
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Cancellation Notice: Windy Point Wind Energy Connection
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AESO NID Cancellation Filed: Heartland Generating Station Connection
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AESO NID Cancellation Filed: Boreal 193S Substation Connection
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AESO NID Filed: Abee 993S Substation Upgrade
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Cancellation Notice: BowArk Queenstown Power Plant Connection
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Need Overview: Windrise Wind Power Project Connection
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Notice of Filing: Abee 993S Substation Upgrade
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Cancellation Notice: Irma Wind Power Project Connection Cancellation
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AESO NID Filed: Travers Solar Project Connection
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Cancellation Notice: Heritage Wind Energy Centre Connection
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Notice of Filing: Travers Solar Project Connection
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Cancellation Notice: Sunset Solar Project Connection
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Cancellation Notice: Boreal 193S Substation Connection
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Cancellation Notice: Heartland Generating Station Interconnection
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AESO NID Filed: Claresholm Solar Project Connection
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AESO NID Amendment Filed: McLaughlin Wind Power Plant Connection
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AESO NID Filed: Drywood Expansion Power Plant Connection
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Notice of Filing: Claresholm Solar Project Connection
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AESO NID Amendment Filed: Transmission Enhancements in the West Edmonton Area
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Need Overview: Abee 993S Substation Upgrade
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Cancellation Notice: Duchess Solar Project Connection
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Notice of Amended Filing: McLaughlin Wind Power Plant Connection
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Notice of Filing: Drywood Expansion Power Plant Connection
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Travers Solar Farm Connection – Need for Transmission Development in the Lomond area
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Cancellation Notice for the Forty Mile Wind Power Project Connection
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Welsch Energy Connection – Cancellation Notice
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Drywood Expansion Power Plant Connection
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Oyen Wind Power Project Connection – Cancellation Notice
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AESO NID Filed: Strathcona Cogeneration Facility Connection
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AESO NID Filed: Suncor Forty Mile Wind Power Project Whitla 521S Connection
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AESO NID Filed: Suncor Forty Mile Wind Power Project 964L Connection
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Update - Need for the McLaughlin Wind Power Plant Connection in the Pincher Creek Area
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Updated - Notice of Filing for the Strathcona Cogeneration Facility Connection
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Need for Transmission Development in the Town of Westlock and Hamlet of Fort Assiniboine Areas
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Notice of Filing for the Suncor Forty Mile Wind Power Project 964L Connection
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Notice of Filing for the Suncor Forty Mile Wind Power Project Whitla 251S Substation Connection
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AESO NID Filed: Wheatland Wind Project Connection
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Update - Need for the Suncor Forty Mile Wind 964L Connection in the Maleb area
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Update II - Need for the Suncor Forty Mile Wind Power Project Whitla Connection in the Maleb area
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Market Participant Notification for the Suncor Forty Mile Wind Power Energy Connection
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Market Participant Notification for the Suncor Forty Mile Wind Power Project 964L Connection
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AESO ANAP Approval: Mount Allan 115S Substation Upgrade
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AESO NID Filed: Transmission Enhancements in the West Edmonton Area
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Market Participant Notification for Planned Generating Facility Connections in the AESO’s Central Planning Region
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Notice of Intention to Consider the Need for the Mount Allan 115S Substation Upgrade in the Kananaskis Village Area for Approval under the AESO’s Abbreviated Needs Approval Process
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Notice of Filing for Transmission Enhancements in the West Edmonton Area
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Need for the Garden Plain Wind Power Project Connection in the Castor area
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AESO NID Filed: Vista Coal Mine Connection
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Notice of Filing for the Vista Coal Mine Connection
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AESO ANAP Approval - SS-36 Substation Upgrade
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AESO NID Amendment Filed: Riverview Wind Power Plant Connection
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Need for Transmission Development in the Kananaskis Village area
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Notice of Amended Filing for the Riverview Wind Power Plant Connection
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Need for the Strathcona Cogeneration Facility Connection in the City of Fort Saskatchewan area
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AESO NID Filed: Kirby North Central Processing Facility Connection
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Need for the Coalspur Vista Coal Mine Connection in the Town of Hinton area
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AESO NID Filed: Strathcona Substation Connection Enhancement
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Market Participant Notification Update for the Riverview Wind Power Plant Connection
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Notice of Filing for the Kirby North Central Processing Facility Connection
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Need for the Pattern Lanfine North Wind Power Project Connection in the Oyen Area
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Need for the Claresholm Solar Project Connection in the Claresholm area
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Update - Need for the Riverview Wind Power Plant Connection in the Pincher Creek Area
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AESO NID Filed: Ksituan River 754S Capacity Upgrade
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Notice of Filing for the Strathcona Substation Connection Enhancement in the south Edmonton area
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AESO NID Filed: Whitla Wind Energy Connection
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Need for the SS-36 Substation Upgrade in the City of Calgary
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Need for the Duchess Solar Project Connection in the Duchess area
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Notice of Filing for the Ksituan River 754S Substation Upgrade
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Notice of Filing for the Whitla Wind Facility Connection in the Maleb Area
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Need for the Sunset Solar Project Connection in the Hamlet of Grassy Lake Area
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AESO NID Filed: East Crossfield 64S Substation Upgrade
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Q4 2017 connection process reporting
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AESO NID Filed: Conrad 135S Substation Upgrade
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Notice of NID Filing for the East Crossfield 64S Substation Upgrade
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AESO NID Filed: Fincastle 336S Substation Upgrade
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AESO NID Filed: Vulcan 255S Substation Upgrade and Stavely 394S Substation Modification
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Notice of NID Filing for the Conrad 135S Substation Upgrade
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Need for the Kirby North Central Processing Facility Connection
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Keephills Area Transmission Reconfiguration
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Notice of NID Filing for the Fincastle 336S Substation Upgrade
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Notice of NID Filing for the Vulcan 255S Substation Upgrade and Stavely 349S Substation Modification
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AESO NID Filed: Transmission Enhancements in the Municipal Districts of Provost and Wainwright
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Evolving the Connection Process – Request for Stakeholder Interest
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Notice of NID Filing for the Transmission Enhancements in the Municipal Districts of Provost and Wainwright
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Filing of NID Application - Paintearth Wind Connection
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Filing of Stirling Wind Project Connection Needs Identification Document
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Filing of Northwest of Fort McMurray 240 kV Transmission System Development Amendment Application
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Need for the Oyen Wind Power Project Connection in the Oyen Area
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Update - Need for the West Edmonton Transmission Upgrade Project in the City of Edmonton
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Notice of Filing for the Paintearth Wind Project Connection in the Halkirk Area
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Need for the Schuler Wind Energy Centre Connection in the Schuler Area
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Need for the Conrad 135S Substation Upgrade in the northeast part of Warner County
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Need for the Fincastle 336S Substation Upgrade in the Town of Taber Area
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Update - Need for the Suncor Forty Mile Wind and Solar Power Projects Connection in the Maleb area
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Q3 2017 connection process reporting
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Need for Transmission Development in the Town of Crossfield Area
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Need for Transmission Development in the Town of Vulcan and Town of Stavely Areas
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Notice of NID Filing for the Stirling Wind Project Connection in the Village of Stirling Area
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Riverview Substation – Updated Notice of NID Filing
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Update - Northwest of Fort McMurray Area Transmission System Development
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Notice of NID Filing for the Pinedale 207S Substation Upgrade
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Need for the Suncor Forty Mile Wind Power Project 964L Connection in the Maleb area
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Market Participant Notification for the Stirling Wind Project Connection
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Notice of NID Filing for the Sharp Hills Wind Farm Connection in the Sedalia Area
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SS-7 Substation Upgrade - Approval of the Need for Transmission Development in the Calgary area
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Need for the Strathcona Substation Connection Enhancement in the South Edmonton Area
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Notice of NID Filing for the Fort Macleod 15S Substation Upgrade
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Need for the Wheatland Wind Project Connection in the Dorothy area
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Need for the Capital Power Whitla Wind Facility Connection in the Maleb Area
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Paintearth Wind Project Connection - Market Participant Notification
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Sharp Hills Energy Connection - Market Participant Notification
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Halkirk 2 Wind Power Project Connection - Market Participant Notification
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Update - Need for the Riverview Substation in the City of Edmonton
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Need for the Heritage Wind Energy Centre Connection in the Town of Pincher Creek area
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Irma Wind Power Project Connection – Needs Identification Document
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Need for Transmission Development in the Town of Fort MacLeod
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Need for the Irma Wind Power Project Connection in the Irma Area
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Pinedale 207S Substation Upgrade
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Market Participant Notification for the Irma Wind Power Project Connection
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Morrison 2051S Substation – Notice of Cancellation
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Need for the Paintearth Wind Project Connection in the Halkirk area
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Need for the SS-7 Substation Upgrade in the City of Calgary
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Muir 2018S Substation Needs Identification Document
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Need for the Halkirk 2 Wind Power Project Connection in the Tinchebray area in the County of Paintearth
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Stirling Wind Project Connection – Need for Transmission Development in the Village of Stirling area
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Muir 2018S Substation - Notice of NID Filing Update
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Need for the Suncor Forty Mile Wind Power Project Energy Connection in the Maleb area
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Heartland Generating Station Interconnection - Notice of NID Filing
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Grande Prairie Area Transmission Reinforcement
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Wapiti 823S Substation Upgrade - Notice of NID Filing
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Muir 2018S Substation - Notice of NID Filing
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Clover Bar Substation Modification - Notice of NID Filing
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Need for the Forty Mile Wind Power Project Connection in the Bow Island Area
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Need for the Wapiti 823S Substation Upgrade in the Municipal District of Greenview
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Riverview Substation – Notice of NID Filing
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Ksituan River 754S Substation Upgrade
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Need for the Clover Bar substation Modification in the City of Edmonton
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Calgary Energy Centre Peaking Plant Connection - Notice of NID Filing
Ongoing projects
View all projects with ongoing stakeholder engagement in Alberta below. Each page contains detailed information about the project. Once a project is in service, it will be removed from the website. If you need more information on any project, email us at: stakeholder.relations@aeso.ca
Read our planning area map.
Filter projects- NameRegionProject type
- 807L Capacity Increase (1381)NortheastSystem
- Addition of Voltage Support at Rycroft 730S Substation (1784)NorthwestSystem
- Aira Solar Project Connection (2461)SouthConnection
- Alberta - British Columbia Intertie Restoration (7006)SouthSystem
- Alderson Solar Power Project Connection (1828)SouthConnection
- Big Sky Solar Project Connection (2421)SouthConnection
- Brooks Solar Farm Connection (1927)SouthConnection
- Bowmanton 244S Substation Voltage Support Project (7083)SouthSystem
- Buffalo Plains Wind Farm Connection (2247)SouthConnection
- Buffalo Trail North Wind Project Connection (2232)SouthConnection
- Bull Trail Wind Connection (2342) SouthConnection
- Canyon Creek Pumped Hydro Energy Storage Project Connection (1756)CentralConnection
- Cascade Power Plant Project Connection (2032)CentralConnection
- Castle Downs Substation Modification (2543)EdmontonConnection
- Central East Transfer-Out Transmission Development (7001)CentralSystem
- Chapel Rock-to-Pincher Creek Transmission Development (7064)SouthSystem
- City of Edmonton Transmission Reinforcement (7078) EdmontonSystem
- Lindbergh Cogeneration Power Plant Alteration Connection (2034)CentralConnection
- Duchess Solar Project Connection (2218) SouthConnection
- Dunmore Solar Power Project Connection (2337)SouthConnection
- Halkirk 2 Wind Power Project Connection (2441)CentralConnection
- Enterprise Solar Project Connection (2300)SouthConnection
- Estuary Solar Project Connection (2418)SouthConnection
- Foothills Solar Project Connection (2422) SouthConnection
- Homestead Solar Project Connection (2445) SouthConnection
- Jurassic Solar Project Connection (2411) SouthConnection
- Luna Solar Project Connection (2447)SouthConnection
- Luna 2 Solar Project Connection (2506) SouthConnection
- Opal Gas Project Connection (2456)NorthwestConnection
- Prominence Solar Project Connection (2466)SouthConnection
- Provost to Edgerton and Nilrem to Vermilion Transmission Development (1781)CentralSystem
- Riplinger Wind Project Connection (2481)SouthConnection
- Saddlebrook Solar and Storage Project Connection (2334)SouthConnection
- SS-37 Substation Upgrade (2102)CalgaryConnection
- Suncor Base Plant Cogeneration Facility Connection (2082)NortheastConnection
- Transmission Enhancements in the MD of Greenview (2031)NorthwestConnection
- Vauxhall Solar Farm Connection (1926)SouthConnection
- Winnifred Wind Power Project Connection (2137)SouthConnection
- Transmission Enhancements in the Northeast Edmonton area (2453)EdmontonConnection
- Nova Solar Project Connection (2378)SouthConnection
- Vauxhall Area Transmission Development (7075)SouthSystem
- 853L Transmission Line Capacity Increase (7081)SouthSystem
- Georgetown Solar Project Connection (2396)SouthConnection
- Scotford 409S Substation Upgrade (2513)NortheastConnection
- Rainier Solar Project Connection (1987)SouthConnection
- Tempest Wind Power Project Connection (2490) SouthConnection
- Sunnynook Solar Connection (2464) SouthConnection
- Oyen Wind Power Project Connection (2356) CentralConnection
- Transmission Enhancements in the Town of Fox Creek area (2630)NorthwestConnection
- Lone Pine Wind Farm Connection (1824)SouthConnection
- Willow Ridge Wind and Battery Project Connection (2503)SouthConnection
- Petrolia 816S Substation Modification (2922)EdmontonConnection
- Peace Butte Wind Power Project Connection (2467) SouthConnection
- Flipi Gas Fired Generation Project Connection (2454) CentralConnection
- Blue Bridge Solar Park Connection (2091) SouthConnection
- Rising Sun Solar Project Connection (2540) CentralConnection
- Sunrise Solar Project Connection (2514) SouthConnection
- Laramide Battery Storage Facility Connection (2520) SouthConnection
- Eastervale Solar + Storage Project Connection (2566) CentralConnection
- Fort Saskatchewan Path2Zero Expansion Connection (2614)NortheastConnection
