Transmission Enhancements in the Municipal Districts of Provost and Wainwright (1782)

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]

Notification of regulatory filing advertisement

Notice of NID Filing for the Transmission Enhancements in the Municipal Districts of Provost and Wainwright  [Posted: January 15, 2018]

Needs Identification Document

Transmission Enhancements in the Municipal Districts of Provost and Wainwright Needs Identification Document [Posted: February 13, 2018]

Appendix A - Connection Assessment
Appendix B  - TFO Capital Cost Estimates
Appendix C - AESO Participant Involvement Program
Appendix D  - Commission Rule 007, Section 6.2.1 NID15(2)

Appendix E  - DFO Need for Development Report