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

    Al Rothbauer 321S Substation

    The City of Medicine Hat (City) currently connects to Alberta’s transmission system through the Medicine Hat 41S substation. The City has applied to the Alberta Electric System Operator to change its point of interconnection to a new substation it is planning to build north of the Medicine Hat 41S substation.

    Need overview

    Need for the Al Rothbauer 321S substation in the Medicine Hat area [Posted: July 29, 2015]

    Notification of regulatory filing advertisement

    Notification of regulatory filing [Posted: November 17, 2015]

    Needs Identification Document

    Al Rothbauer 321S substation NID [Posted: December 21, 2015]

    Contact us

    We appreciate your views, both on the need for transmission system development and proposed transmission plans. If you have any questions or comments, please contact us directly.

    AESO Stakeholder Relations
    stakeholder.relations@aeso.ca
    1-888-866-2959