The Project: Details

The Southwest 240 kV Project consists of the following five major components:

• Build a new Goose Lake substation near the existing Pincher Creek substation;
• Expand the Peigan and North Lethbridge substations;
• Construct a new double-circuit 240 kV transmission line between the new Goose Lake
      substation and the Peigan substation; and
• Construct a new double-circuit 240 kV transmission line between the Peigan substation
      and the North Lethbridge substation; and
• Complete associated improvements to the existing 138 kV transmission system,
      accommodating the addition of the proposed 240 kV transmission line. The major
      improvements consist of:
          - Stirling to Tempest substation (new 138 kV transmission line)
          - 725L and 170L 138 kV connection (southwest of Fort Macleod)
          - Fort Macleod 15S substation upgrade
          - Magrath 225S substation upgrade
          - Drywood 415S substation upgrade