SS-54 Substation Upgrade (2921)

ENMAX Power Corporation (EPC) has applied to the AESO for transmission system access to reliably serve growing demand for electricity in the Calgary area. EPC’s request can be met by the following solution:

• Upgrade the existing SS-54 substation, including adding one 138/25 kilovolt (kV) transformer and one 138 kV circuit breaker.
• Add or modify associated equipment as required for the above transmission development.

Needs Identification Document

SS-54 Substation Upgrade Needs Identification Document [Posted: May 14, 2026]

Appendix A - Connection Assessment
Appendix B - Capital Cost Estimate
Appendix C - AESO PIP
Appendix D - DFO Distribution Deficiency Report

Need Overview

• Need for the SS-54 Substation Upgrade [Posted: March 18, 2026]