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113L Transmission Line Rebuild

We rebuilt portions of the 113L transmission line to ensure that a safe and reliable supply of power is available for years to come. The project involved rebuilding approximately 23 kilometres of the overhead portion of 113L line that runs from the Town of Canmore to the Kananaskis River

Vegetation management activities will occur along the line throughout 2023. Depending on where you are in relation to the project, you may see or hear ongoing tree and vegetation management, including logging equipment and trucks. Cut trees will be taken away from the project area.

150L Transmission Line Rebuild

AltaLink's existing 150L transmission line was constructed in 1956. We are proposing to rebuild a portion of this line to ensure that a safe and reliable supply of power is available in the area for years to come.

164L and 616L Transmission Lines Rebuild

AltaLink's existing 164L and 616L transmission lines were both constructed more than 60 years ago and portions of both lines are located in a high-risk fire area. We are proposing to rebuild portions of these lines to ensure that a safe and reliable supply of power is available for years to come.

54L Transmission Line Rebuild: Canmore

AltaLink’s existing 54L transmission line was constructed in 1943. This transmission line has reached the end of its lifecycle. We are proposing to rebuild this line to ensure that a safe and reliable supply of power is available for years to come.

The existing 54L transmission line is a single circuit 138 kilovolt (kV) line that is located in Canmore and Banff National Park. This proposed project involves rebuilding approximately eight kilometres of the line that runs between the Canmore Substation and the boundary of Banff National Park. Planning for the rebuild of the portion of line in the park is in early stages and not part of this project.

AltaLink hosted a virtual information session to answer questions and provide more information on the proposed project in November 2021. If you were unable to attend this session, you can watch a recording of it here.

700L Transmission Line Relocation

To accommodate its North of Yellow Head Road Upgrades, Strathcona County has requested the relocation of a portion of AltaLink’s 138 kilovolt (kV) 700L transmission line.

This proposed project involves relocating approximately two kilometres of the 700L transmission line that is located north of Highway 16 in Strathcona County along Range Road 231. We are proposing to relocate the line up to approximately 70 metres to the east to accommodate Strathcona County’s plans to widen the road.

757L Transmission Line Relocation

We are proposing to relocate approximately 10 kilometres of the existing 757L transmission line. AltaLink’s existing 757L transmission line was constructed in 1962 and is reaching the end of its lifecycle and needs to be rebuilt. AltaLink is proposing to relocate approximately 10 kilometres (km) of the southern portion of the 138 kilovolt (kV) 757L transmission line. This portion runs from the Benalto Substation along the eastern side of range road 30 to the connection with 758L at Township Road 382, approximately 3.5 kilometers north of the Hamlet of Benalto.

853L Transmission Line Capacity Increase

The Alberta Electric System Operator (AESO) has requested that AltaLink modify portions of the existing 853L transmission line to increase electricity capacity and meet the growing demands for electricity in the area.

The 853L transmission line is a single circuit 138 kilovolt (kV) line, located approximately six kilometres west of the City of Brooks, in the County of Newell. To increase the electricity capacity on the 853L transmission line, the proposed project includes:

replacing the conductor on an approximately 17.5 kilometre segment of the transmission line that starts at the West Brooks Substation (located in NW-28-18-15 W4M)
replacing 13 structures and modifying two other structures along the 853L transmission line
building two temporary transmission lines during construction to ensure customers in the area continue to receive reliable electricity service

922L/926L Transmission Line Relocation

AltaLink is proposing to relocate a portion of the existing 240 kilovolt (kV) transmission line (called 922L/926L) that is located in Parkland County in SW-17-52-4-W5. This portion of line is being affected by water and ice in the winter. There is currently no risk to public safety and electricity service, but relocating this portion will allow us to maintain the safety and reliability of the transmission line in the future.

Aira Solar Project Connection

To connect Aira Wind Power Inc’s (Aira) Aira Solar Project to the grid, AltaLink is proposing changes to its transmission system in the area.

The proposed project is located in Cypress County in NW-31-8-7-W4, approximately 35 kilometres southeast of the Town of Bow Island. It includes modifying an existing transmission line, constructing a new transmission line, and installing underground fibre optic cable.

Bowmanton Substation Upgrade

The Alberta Electric System Operator (AESO) has requested that AltaLink upgrade the equipment at the existing Bowmanton Substation to ensure a reliable supply of electricity is available in the area for years to come.

The proposed project involves equipment upgrades at the existing Bowmanton Substation, located in Cypress County, in NW-15-14-4-W4M.

Buffalo Plains Wind Farm Connection

Buffalo Plains Wind Farm Inc. (Buffalo Plains) is proposing to build a new transmission line as part of their Buffalo Plains wind farm project. To connect their proposed facility to the grid, AltaLink is proposing equipment upgrades at its Milo Substation, as well as modifications to an existing transmission line just outside the substation.

Although AltaLink’s project is required to facilitate the connection of the Buffalo Plains project, it is a separate project. Buffalo Plains will consult separately on their proposed transmission line, substation and facility.

Bull Trail Wind Power Project Connection

Bull Trail Renewable Energy Centre Limited Partnership (Bull Trail) is proposing to build a new wind power facility called the Bull Trail Wind Power Project. To connect their proposed wind power project to the grid, AltaLink is proposing to construct a new transmission line and substation. AltaLink's project is located approximately 17 kilometres southeast of Medicine Hat in Cypress County.

Cadomin Substation Upgrade

We are proposing to upgrade equipment at the existing Cadomin 983S Substation to ensure a reliable supply of electricity is available in the area for years to come.

Castle Rock Ridge to Chapel Rock Transmission Project

Thank you for your patience and feedback throughout the Castle Rock Ridge to Chapel Rock Transmission Project.

AltaLink began working on the project in October 2014 and anticipated filing an application with the Alberta Utilities Commission (AUC) in late 2015.

AltaLink has stopped all work on the Castle Rock Ridge to Chapel Rock Transmission Project and has been directed by the Alberta Electric System Operator (AESO) to prepare an application for a new project in the Pincher Creek area that will be called the Chapel Rock to Pincher Creek Area Transmission Development.

Please visit the Chapel Rock to Pincher Creek Area Transmission Development project page for more information regarding that new project.

Central East Transfer-Out Project

The approved Central East Transfer-Out Project is located in the counties of Red Deer, Lacombe and Stettler.

The Alberta Utilities Commission approved:

AltaLink’s south alternate route for a new double circuit 240 kilovolt transmission line between AltaLink’s existing Gaetz Substation, located east of the City of Red Deer, to ATCO Electric’s approved transmission line
New equipment to be installed at the Gaetz Substation

Chapel Rock to Pincher Creek Area Transmission Development

The proposed Chapel Rock to Pincher Creek Area Transmission Development includes:

A new 240 kV transmission line connecting a new proposed substation to be called the Chapel Rock Substation, to either the existing Goose Lake Substation or Castle Rock Ridge Substation, both located north of Pincher Creek.
The new proposed Chapel Rock Substation will connect the new transmission line with the existing 1201L transmission line, which is the Alberta/British Columbia intertie.

Click here to see visual renderings of the proposed structure types and substation sites - updated August 10, 2020.

Cypress Wind Power Connection

Cypress Renewable Energy Centre LP. (Cypress) has requested a connection to the transmission system for their proposed Cypress Wind Power Project. The Cypress Wind Power project will supply electricity to the grid through their proposed Woolchester Substation.

AltaLink is proposing to construct a new transmission line, to connect Cypress’ proposed Woolchester Substation to the electric system by connecting it to an existing AltaLink transmission line in the area. The proposed project is located approximately 18 km southeast of the City of Medicine Hat.

Duchess Solar Project Connection

ENGIE Development Canada LP (ENGIE) has requested a connection to the transmission system for their proposed Duchess Solar Project.

AltaLink is proposing to construct a transmission line, operated and maintained by AltaLink, to connect ENGIE’s proposed Rock Lake Substation to the electric system by connecting it to an existing AltaLink transmission line in the area. The proposed project is located approximately four kilometers southwest of Duchess and will be operated and maintained by AltaLink.

Dunmore Solar Power Project Connection

Dunmore Solar Inc. (Dunmore Solar) is proposing to build a new substation as part of their Dunmore Solar Power project. To connect their proposed substation to the grid, AltaLink is proposing to construct a new transmission line between the proposed substation and an existing transmission line in the area.

Although AltaLink’s project is required to facilitate the connection of Dunmore Solar’s project, it is a separate project. Dunmore Solar has consulted separately on their proposed substation and facility.

ENGIE Buffalo Trail North Wind Connection

ENGIE Development Canada LP (ENGIE) is proposing to build a new substation and transmission line for their proposed Buffalo Trail North Wind project. To connect their proposed facility to the grid, modifications to AltaLink’s existing 983L transmission line and a new fibre optic cable are required.

Foothills Solar Project Connection

To connect Foothills Solar Limited Partnership’s (Foothills Solar) proposed Foothills Solar Farm project, AltaLink is proposing equipment upgrades at its Foothills Substation.

AltaLink’s proposed project is located at NW-8-19-27 W4 in Foothills County, approximately 11 kilometres northeast of the Town of High River. AltaLink is proposing to add one new 138 kilovolt (kV) circuit breaker and associated equipment to the existing Foothills Substation.

Forty Mile Wind Power Connection Project – Murray Lake Switching Station

To connect Renewable Energy Systems Canada Inc.’s (RES) approved Forty Mile Wind Power Plant to the grid, AltaLink is proposing upgrades to its transmission system in the area, including the construction of a new switching station, modifications to an existing structure, addition of one structure, and installation of approximately one kilometre of fibre optic cable.

Although AltaLink’s project is required to facilitate the connection of the Forty Mile Wind Power Plant, it is a separate project. In addition to the approved Forty Mile Wind Power Plant, there is a proposed RES 240 kilovolt (kV) transmission line project associated with it. RES will be consulting separately on their projects.

Georgetown Solar Project Connection

AltaLink’s proposed project is located approximately 8.5 kilometres south of the Hamlet of Carseland in SE-17-21-25-W4.

To connect the Georgetown Solar Project to the electric system, AltaLink’s proposed project includes:

adding one new structure on the existing 240 kilovolt (kV)transmission line (called 924L)
building approximately 150 metres of new 240 kV transmission line (to be called 924AL)
installing a new telecommunications tower within theMossleigh Substation located in NE-8-21-25-W4

Greencells Estuary Solar Project Connection

To connect the Greencells project to the grid, AltaLink’s proposed project includes building new transmission lines, relocating and modifying existing transmission lines and expanding the existing Empress 394S Substation. AltaLink's proposed project is located in Cypress County, in the vicinity of the Hamlet of McNeil.

hep Alderson Solar Power Connection Project

hep’s proposed solar connection is located between Cypress County and Newell County in SE-7-16-10-W4, approximately 45 kilometres southeast of the City of Brooks.

AltaLink’s proposed project includes modifications to two existing transmission lines in the area.

Homestead Solar Project Connection newsletter

Kiwetinohk’s proposed Homestead Solar Project is located in the Municipal District of Willow Creek, southeast of the Town of Claresholm.

Kiwetinohk is proposing a new transmission line that will connect its Homestead Substation to AltaLink's existing transmission line (called 1037L). This is identified as the Proposed Customer Transmission Line on the maps in this package.

Kiwetinohk is considering two different connection points for this new line. One of the potential connection points is in SW-13-12-27-W4 and the other is in NW-12-12-27-W4. If approved, only one of these connection points will be used.

Please see the detailed photo map(s) included in this package for more details.

Horse Creek Telecommunications Tower Replacement

The proposed project involves constructing a new telecommunications tower at the Horse Creek Substation in NE-16-26-4-W5, approximately one kilometre north of the Town of Cochrane. This will include removing the existing 33.5 metre tall telecommunications tower inside the substation, and installing one new self-supporting tower.

Intertie Restoration Project

The AESO has also directed AltaLink to prepare a facility application to complete work to restore the capacity of the 500 kV intertie transmission line between British Columbia and Alberta to its original design.

The Intertie Restoration Project includes:

Adding equipment underneath the intertie transmission line west of Highway 22.
Increasing the transmission line’s ground clearance in certain locations.
Work at the Bennett Substation near Calgary where the line terminates.

Jurassic Solar Project Connection

Jurassic Solar is constructing a new substation and transmission line as part of their new Jurassic Solar Project. The project is in Cypress County, approximately 37 kilometres northeast of the City of Brooks. AltaLink is proposing changes to its transmission system in the area to connect this project to the grid.

Kirkcaldy Solar Project Connection

To connect the Kirkcaldy Solar Energy Partnership (Kirkcaldy) Solar Project to the grid, AltaLink is proposing modifications to its transmission system in the area.

Kirkcaldy is constructing a new 240 kilovolt (kV) transmission line located approximately 10 kilometres east of the Town of Nanton.

Kirkcaldy is considering two connection points along AltaLink's existing 1037L/1038L transmission line. To accommodate the connection, AltaLink is proposing to modify its transmission line at one of two potential locations, depending on the final connection point determined by Kirkcaldy.

Lathom Solar Project Connection

To connect Lathom Solar GP Ltd.’s (Lathom Solar) approved Lathom Solar Project to the grid, AltaLink is proposing upgrades to its transmission system in the area. AltaLink’s proposed project is located in the County of Newell, approximately 9.5 kilometres southwest of the Village of Rosemary.

AltaLink is proposing to:

add one new structure on an existing 138 kilovolt (kV) transmission line (called 853AL), located in NW-30-20-16 W4
install a new telecommunications tower within the approved Lathom Substation

Niton Substation Upgrade

The proposed project involves equipment upgrades at the existing Niton Substation, located in Yellowhead County, approximately five kilometres west of the Hamlet of Niton Junction in SW-34-53-13-W5.

The proposed upgrades include:
• installing two new 138 kV circuit breakers and associated equipment
• minor substation equipment upgrades

Nova Solar Power Connection

RES is constructing a new substation and transmission line as part of their new solar power facility located in Wheatland County, approximately four kilometres southwest of Carseland. RES is considering two connection points for their transmission line. To connect RES’s new solar power facility to the grid, AltaLink is proposing to modify the existing 924L/927L transmission line at one of two potential locations, depending on the final connection point.

Osprey Nest Mitigation Work

In March 2023, AltaLink is completing osprey nest mitigation work on its existing 551L transmission line that runs between the Town of Banff and Lake Louise. This work is part of AltaLink’s responsibility to ensure a safe and reliable supply of electricity, while maintaining its commitment to the environment and wildlife in the areas where it operates.

Osprey nests along areas of the transmission line can increase the potential risk of wildfires and power outages. To mitigate this risk and ensure that the osprey have a safe place to nest when they return, AltaLink is installing nest deterrents and artificial nesting platforms along areas of the transmission line, and relocating existing nests to the platforms.

To safely perform this work, an upcoming power outage is required. It is currently scheduled to occur from 12 to 6 a.m. on March 16, weather permitting. The outage will impact the areas west of Banff, up to and including Lake Louise. The Town of Banff will not be impacted.

Pegasus Lake Substation Upgrade

Pegasus Lake Substation, located in Woodlands County, approximately 18 kilometres north of the City of Whitecourt in NW-35-61-12-W5.

The proposed upgrades include:
• replacing one existing 69/25 kilovolt (kV) transformer with one new 72/26.5 transformer and associated equipment
• replacing one existing 69 kV circuit breaker and associated equipment
• minor substation equipment upgrades

Prominence Solar Project Connection

PR Development’s proposed Prominence Solar Project is located in Lethbridge County in SE-14-10-21-W4, approximately six kilometres (km) southeast of the Town of Picture Butte.

To connect PR Development’s project to the grid, AltaLink is proposing to:

modify the existing 138 kilovolt (kV) transmission line (called 172L) by:

removing one existing structure
adding two structures called line switches and one monopole structure (see more in the table below)

construct approximately 80 metres (m) of new single circuit 138 kV transmission line
install approximately two km of buried fibre optic cable between PR Development’s proposed Elder Substation and AltaLink’s existing Picture Butte Substation

Provost to Edgerton and Nilrem to Vermilion (PENV) Transmission Development

AltaLink’s portion of the proposed PENV Transmission Development is located in Flagstaff County, the Municipal District (MD) of Wainwright, the MD of Provost, the County of Minburn and the County of Vermilion River. It includes two separate developments:

Provost to Edgerton

Approximately 45-60 kilometres of new 240 kilovolt (kV) transmission line from the Hansman Lake Substation located west of the Town of Provost to the Edgerton Substation located north of the Village of Edgerton
Modifications at the existing Hansman Lake and Edgerton substations

Nilrem to Vermilion

Approximately 65-85 kilometres of new 240 kV transmission line from the Nilrem Substation located southeast of the Town of Hardisty to north of the Village of Irma where it will connect to a new line being planned by ATCO Electric
Modifications at the existing Nilrem Substation

Red Deer Area Transmission Development

AltaLink is proposing to upgrade its transmission system in theRed Deer, Wetaskiwin and Didsbury areas to make sure that residents and businesses continue to have a reliable supply of electricity for years to come. This project includes:

upgrading six substations
rebuilding approximately 75 kilometres of existing transmission lines
building three new substations
building approximately 50 kilometres of new transmission lines
removing approximately 100 kilometres of existing transmission lines

Red Deer Area Transmission Development (Stage 4)

Stage 4 - Removing Existing Transmission Lines

Removing approximately 60 kilometres of transmission line from Wetaskiwin to Lacombe and approximately 25 kilometres of transmission line from Red Deer to Innisfail.

Click on the Newsletters/Maps/Updates tab to view current updates for this stage.
Click the "Back To Overview" button to go back to the Red Deer Area Transmission Development - Overview page.
back to Overview

Sagitawah Telecommunications Tower Salvage

The telecommunications tower at AltaLink’s Sagitawah Substation is no longer required so we are proposing to remove it. The Sagitawah Substation is located in SW-10-59-11-W5 in Woodlands County, approximately seven kilometres southeast of the Town of Whitecourt.

Shell Scotford Substation Upgrade

We are proposing to upgrade equipment at the existing Shell Scotford Substation, as well as modify two existing transmission lines outside the substation to ensure a reliable supply of electricity is available in the area for years to come.

The proposed project is located in Strathcona County, 10 kilometres northeast of the City of Fort Saskatchewan in SW-32-55-21-W4. It includes upgrading and expanding AltaLink’s existing Shell Scotford Substation and modifying two existing transmission lines.

Sherwood Park Substation Upgrade

The proposed project involves equipment upgrades at the existing Sherwood Park Substation, located along Carson Drive in the Sherwood Park community of Chelsea Heights, in SE-02-53-23-W4.

The proposed upgrades include:

expanding a portion of the eastern substation fenceline to construct a new control building
replacing an existing transformer with a new 138 kV (kilovolt) transformer and associated equipment
replacing the existing circuit breaker with a new 138 kV circuit breaker and associated equipment
upgrades to protection and control equipment

Sol Aurora Solar Battery Connection

To connect Sol Aurora Ltd.’s (Sol Aurora) proposed Sol Aurora Solar Battery project to the grid, AltaLink is proposing equipment upgrades to its transmission system in the area.

Solar Krafte Vauxhall Connection

Solar Krafte Utilities Inc. (Solar Krafte) has requested a connection to the transmission system for their proposed Vauxhall Solar Farm. To facilitate this connection AltaLink is proposing to construct a transmission line, operated and maintained by AltaLink, to connect Solar Krafte’s proposed substation and solar farm to the electric system.

Sollair Solar Energy Project Connection

General Land & Power Corporation (General Land & Power) is proposing to build a new substation as part of their Sollair Solar Energy Project. To connect their proposed substation to the grid, AltaLink is proposing upgrades to its transmission system in the area.

Spring Coulee Substation Upgrade

We are proposing to upgrade equipment at the existing Spring Coulee Substation to ensure a reliable supply of electricity is available in the area for years to come.

The proposed project involves equipment upgrades at the existing Spring Coulee Substation, located in Cardston County, approximately eight kilometres southwest of the Hamlet of Spring Coulee in SE-15-4-24 W4.

St. Albert Substation Telecommunications Pole Replacement

AltaLink has determined that the existing telecommunications pole at the St. Albert Substation requires an upgrade. AltaLink is proposing to replace the telecommunications pole as part of our ongoing equipment life-cycle maintenance program. The proposed telecommunications upgrade will allow us to maintain the safety and reliability of the electric system in the area.

AltaLink’s St. Albert Substation is located in SE-18-54-25-W4, on Villeneuve Road, in the City of St. Albert.

On Wednesday, March 29, AltaLink hosted a virtual public information session about the proposed telecommunications pole replacement. A recording of this session can be viewed at this link.

Suffield Substation Upgrade

We are proposing to upgrade equipment at the existing Suffield 895S Substation to ensure a reliable supply of electricity is available in the area for years to come. AltaLink’s Suffield Substation is located at NW-3-15-9 W4, approximately one kilometre north of the Hamlet of Suffield in Cypress County.

The proposed project includes:
• replacing a 25 kilovolt (kV) bus with a switchgear building and salvaging the bus
• expanding the existing control building

Suncor Forty Mile Wind Power Project Connection

Suncor has requested a connection to the transmission system to connect AltaLink’s existing Whitla Substation at NW 33-7-9 W4 to Suncor’s Maleb Substation.

We are proposing to build approximately 2.5 to 3 kilometres of 240 kilovolt (kV) transmission line. The final transmission line length is dependent on the final route selected, and approved, by the Alberta Utilities Commission (AUC).

Turning Point Generation Canyon Creek Connection

Turning Point Generation (TPG) has requested a connection to the transmission system for their proposed pumped hydro energy storage (PHES) project. To facilitate this connection, AltaLink is proposing to construct a transmission line, operated and maintained by AltaLink, to connect TPG’s proposed new substation to the electric system. Although AltaLink’s project is separate from TPG’s project, it is required to facilitate the connection of their project.

Vauxhall Area Transmission Development

We are starting to develop a new transmission project in your area – the Vauxhall Area Transmission Development (VATD) – and we want your input. The Alberta Electric System Operator (AESO) has identified the need for this project to meet the growing demands for electricity in the area.

The Vauxhall Area Transmission Development includes two projects:

610L Transmission Line Replacement: Building a new transmission line and salvaging a portion of an existing transmission line in the Municipal District of Taber
879L Transmission Line Restoration: Modifying and replacing select structures along the existing 879L transmission line in Cypress County

Wheatcrest Solar Project Connection

To connect BluEarth Renewables Inc’s (BluEarth) approved Wheatcrest Solar Project to the grid, AltaLink is proposing upgrades to its transmission system in the area. AltaLink’s project is located in the Municipal District of Taber, approximately 12 kilometres north of the Village of Enchant.

To connect the Wheatcrest Solar Project to the grid, AltaLink is proposing updates along an existing 138 kilovolt (kV) transmission line (called 763AL) and in the existing Enchant Substation.

Wild Rose 1 and Wild Rose 2 Wind Farm Project Connection

This was previously called the East Palliser Transmission Project. The East Palliser Transmission Project began in 2010 and included connecting the Wild Rose 1 and Wild Rose 2 wind farms to the electric system. The project was approved in 2012 but was put on hold. The Wild Rose 1 portion of the project has been cancelled.

Wild Rose 2 Wind LP (Wild Rose) is now proceeding with the Wild Rose 2 Wind Farm project, but with minor changes that include a new substation location. AltaLink will file an amendment to its original application that reflects the changes to the project.

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