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Project Overview


To better serve our customers in the Barrie and surrounding area, we are planning to upgrade aging transmission infrastructure that is reaching capacity. This will ensure a reliable and safe supply of electricity and ensure we meet the growing demands for electricity in the region.


The Barrie Area Transmission Upgrade project consists of three main components:

1. Upgrading the current Barrie Transformer Station (TS):

Barrie TS is reaching capacity as a 115 kilovolt (kV) station and requires upgrading to a 230 kV station. The station upgrade will require expansion onto adjacent Hydro One owned property.


2. Upgrading existing transmission lines and structures between Barrie TS and Essa TS: 

The current transmission lines will be upgraded from 115 kV to 230 kV along the existing corridor that runs from Barrie TS to Essa TS. Click here to view the project maps.

 

The two existing rows of wooden ‘H’ frame structures will be replaced with a single row of new, steel structures along the corridor. These steel structures will be taller to ensure a safe clearance from the ground for the new lines.


3. Refurbishing and upgrading equipment at Essa TS: 

Plans include installing new equipment and reconfiguring sections of the station to accommodate the upgraded capacity. This work will be within the current station footprint and Essa TS will not require an expansion.

 

Benefits

The Barrie Area Transmission Upgrade project will offer the following benefits to the local community:

  • Upgrading equipment that is reaching capacity and end-of-life in order to continue to provide a reliable and safe s​upply of electricity to homes and businesses in the area. ​

  • Adding capacity to meet the forecasted future electricity demand in the area, including growth in the City of Barrie and the Township of Innisfil.

 

Project Location and Profile

Barrie TS is located in the City of Barrie. The transmission lines travel approximately 10 kilometres south west from Barrie TS to Hydro One’s Essa TS in the Township of Springwater.

 

Project Need

After completing the first phase of the Barrie / Innisfil Su​b-Region Integrated Regional Resource Plan (IRRP), the Independent Electricity System Operator (IESO) recommended that we proceed immediately with the planning and development of the Bar​​rie Area Transmission Upgrade project to address the area’s urgent, near-term electricity needs. The Barrie / Innisfil Sub-Region IRRP was completed in December 2016 and confirmed the need for the Barrie Area Transmission Upgrade project.

Please review the 
regional planning section for more information.

Key Steps of the Response Process:

  • OCT2016
  • Notification sent to First Nations

  • Jan2017
  • Notice of Commencement issued for the Class Environmental Assessment

  • JANFEB2017
  • Public Information Centres

  • JAN2018
  • Anticipated draft Environmental Study Report (ESR) available for 30 day public review period

  • MARCH2018
  • Anticipated final Environmental Study Report (ESR) filed with the Ministry of the Environment and Climate Change

  • SPRING2019
  • Anticipated start of construction

  • WINTER2020
  • Anticipated in-service


A table with project documents

Project Approvals

Learn more about the work we have completed to ensure provincial approval for this project.

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Public Consultation

Learn more about the Public Information Centres (PICs) we conducted to support this project.

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Maps and Diagrams

View maps and diagrams related to this project.

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Contact Us

 

For more information or to be added to the project contact list, please contact:


Denise Jamal
Community Relations
Hydro One Networks Inc.


Tel:  416-345-6799

Fax: 416-345-6984

community.relations@hydroone.com