Your browser is no longer supported

To get the best experience with www.aeso.ca, we suggest using a newer version of Internet Explorer/Edge, or using another supported browser such as Google Chrome.

ETS users may continue to log in using Internet Explorer 9 using the upper right hand link marked ETS Login.

    View all projects

    Transmission Enhancements in the Municipal Districts of Provost and Wainwright

    FortisAlberta Inc. (FortisAlberta) has applied to the Alberta Electric System Operator (AESO) for transmission system access to improve the reliability of the electricity services in the Municipal Districts of Provost and Wainwright. FortisAlberta’s request can be met by the following solution:

    • Add a 138 kilovolt (kV) transmission line to connect the existing Hayter 277S substation and the existing Provost 545S substation.
    • Modify the Provost 545S substation, including adding two 138 kV circuit breakers.
    • Modify the Hayter 277SS substation, including adding two 138 kV circuit breakers.
    • Modify the existing Killarney Lake 267S substation, including adding one 138 kV circuit breaker.
    • Add or modify associated equipment as required for the above transmission developments. 

    Need overview

    Need for Transmission Enhancements in the Municipal Districts of Provost and Wainwright [Posted: December 5, 2016]

    Latest updates

    • Dec. 5, 2016 Transmission Enhancements in the Municipal Districts of Provost and Wainwright