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Downtown West Transmission Replacement

Project Overview

ENMAX Power Corporation (ENMAX) is replacing two underground 138 kV transmission lines and associated components between ENMAX No. 1 Substation located at 738 – 9 Avenue SW, and the overhead structure west of 14 Street SW on 9 Avenue SW south of the Greyhound Terminal. These transmission lines need to be replaced as they have reached the end of their expected service life.

Project Status

ENMAX filed an application with the Alberta Utilities Commission (AUC) for the proposed work on June 28, 2017. The AUC issued a decision approving the project and new permits and licenses on September 15, 2017. 

During the detailed design phase, ENMAX identified constructability challenges around the 14 ST NW and 9 Ave SW intersection. In response to this, ENMAX proposed a new alignment in this area and filed an amendment to the AUC in May 2018. The AUC issued an approval in July 2018.

Construction started in June 2018 and was completed in March 2019. Contingent on weather and ground conditions, remediation will take place between April and June 2019.



Email: Power Customer Relations
Phone: 403-514-3990

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