Medicine Hat 138 kV Transmission Project

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Overview
The Medicine Hat 138 kV Transmission Project is one of many pieces identified in the Southern Alberta Transmission Reinforcement. The purpose of this reinforcement is to connect wind energy to Alberta’s electrical grid and to strengthen the transmission system in the area.

This project involves:

• A new 138 kV (138, 000 volts) double circuit transmission line approximately 45 to 55 kilometres in length from the existing Bullshead Substation to the proposed Bowmanton Substation.
• Upgrade the existing single circuit 138 kV transmission line between the existing Medicine Hat Substation and the existing Chappice Lake Substation area by removing the existing line and constructing a new double circuit 138 kV line.
• In the immediate area around both the Bullshead Substation and Medicine Hat Substation some structures may
  be removed and some new structures added.
• A new 138 kV single circuit transmission line approximately 800 metres in length connecting the proposed Bowmanton Substation to the existing Chappice Lake Substation.
• Additions to the proposed Bowmanton Substation and existing Medicine Hat, Bullshead and Chappice Lake substations to accommodate the proposed new transmission lines.

Project schedule

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