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

    Red Willow Solar Battery Project Connection (2789)

    Red Willow Solar Inc. (RWSI) has applied to the AESO for transmission system access to connect its approved Red Willow Solar Battery (Facility) in the Stettler area. RWSI’s request can be met by the following solution:

    • Add one 240 kilovolt (kV) transmission line to connect the Facility to the existing 240 kV transmission line 9L20 using a T-tap configuration.
    • Add or modify associated equipment as required for the above transmission developments.

    Need Overview

    Latest updates

    • Jan. 28, 2026 Need Overview: Red Willow Solar Battery Project Connection
    Red Willow Solar Battery Project Connection (2789)