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ENMAX No.36 Proposed Substation Upgrades

Project Overview

ENMAX Power Corporation (ENMAX) is proposing to replace a 138-69 kV 50 MVA autotransformer with a 112 MVA autotransformer at ENMAX No.36 Substation located in North West Calgary. The proposed project will improve reliability and integrity of the substation and electricity supply. The Substation is located at 10202 Bearspaw Dam Road North West Calgary.

Please see the Alberta Electric System Operator (AESO) Need Overview document included in this project package for more information regarding the need for these substation upgrades.

Project Details

The proposed project consists of the following:

  • Salvage of existing 50 MVA autotransformer (36.5 TR)
  • Refurbishment of the transformer pad, power and control cable duct banks, and trenches
  • Installation of an oil spill containment system
  • Installation of a 112 MVA 138-69 kV autotransformer on the rebuilt pad
  • Upgrades to protection systems associated with the transformer.

All changes will occur within existing ENMAX property.


Email: Stakeholder Relations
Phone: 403-514-1471


Important Documents

AUC Brochure

AESO Newsletter

ENMAX Newsletter

All customers are free to purchase natural gas services from the default supply provider or from a retailer of their choice and to purchase electricity services from the regulated rate provider or from a retailer of their choice. The delivery of natural gas and electricity to you is not affected by your choice. If you change who you purchase natural gas services or electricity services from, you will continue receiving natural gas and electricity from the distribution company in your service area. For a current list of retailers you may choose from, visit www.ucahelps.alberta.ca or call 310-4822 (toll free in Alberta).

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