Northwest Greater Toronto Area transmission corridor study area

Get mapping data related to the Northwest Greater Toronto Area Transmission Corridor Identification Study.

In June 2019, the Ministry of Energy, Northern Development and Mines along with Ontario’s electricity system planner, the Independent Electricity System Operator, launched the Northwest GTA Transmission Corridor Identification Study to identify an appropriate corridor of land for use by future power lines if and when the need arises.

The shapefiles available for download outline the outer boundaries for:

  • the Northwest GTA Transmission Corridor Identification Study area, announced in June 2019
  • the Northwest GTA Transmission Corridor Narrowed Area of Interest, announced in September 2019
  • The Northwest GTA Transmission Corridor 2020 Narrowed Area of Interest, announced in November 2020
  • The Northwest GTA Transmission Corridor 2024 Narrowed Area of Interest, announced in November 2024
Ministry contact: Energy and Electrification

Additional information

Tags
Geographic coverage
Ontario
Last Validated Date
December 9, 2024
Update frequency
As required

Northwest Greater Toronto Area transmission corridor study area

Learn more about accessing data using different formats.

No date range

  • KML
    2019: Preliminary Transmission Corridor Study Area English [39.2 KiB]
    Explore
  • KML
    2019: Narrowed Area of Interest English [42 KiB]
    Explore
  • KML
    2020: Narrowed Area of Interest English [58.1 KiB]

    Last Updated: November 18, 2020

    Explore
  • KML
    2024: Proposed Narrowed Area of Interest English [64.4 KiB]

    Last Updated: December 9, 2024

    Explore

Report an issue with this data

Submit a report if you are experiencing issues with the data resources in this dataset.

Help us improve the Data Catalogue