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Region Overview

The Metro Toronto Region includes the area roughly bordered geographically by Lake Ontario to the south, Steeles Avenue to the north, Highway 427 to the west, and Regional Road 30 to the east. The Metro Toronto Region comprises the municipality of Toronto. The region is divided into two sub-regions:

  • Central Downtown Sub-region: This area covers the area extending northward from Lake Ontario to within 0.5 km of Highway 401, westward to the Humber River, and eastward to Victoria Park Avenue. The sub-region includes the core of the city, and is made up mainly of commercial towers, multi-unit residential and condominium towers, and mixed residential and commercial land uses. The downtown area has been identified in the City of Toronto Official Plan as an important area for future growth, and the current pace of building development indicates that growth is well underway. 
  • Northern Sub-region: This area is roughly bordered geographically by Highway 401 on the south, Steeles Avenue on the north, Highway 427 on the west, and Regional Road 30 on the east, in addition to the area east of the Don Valley Parkway and north of O’Connor Dr. This sub-region comprises the northern portion of the municipality of Toronto.

Region's Local Distribution Companies

  • Alectra Utilities Co.
  • Toronto Hydro Electric System Limited
  • Hydro One Networks Inc.
  • Veridian Connections Inc.


Map: Metro Toronto

 Current Status

The first regional planning cycle for this region is complete. The Regional Infrastructure Plan (RIP) for the region was published in January 2017. It is expected that the next planning cycle for this region be initiated in the next three to five years.

The Central Downtown Sub-region was the subject of an Integrated Regional Resource Plan (IRRP). The Needs Assessment (NA) for the Northern Sub-region was completed and it was determined that the needs identified for this area can be addressed directly by the transmitter and Local Distributor Companies (LDCs) and further regional coordination is not required. As recommended by the NA, a Local Plan for the circuit C10A capacity mitigation was completed.

Accomplishment (Most Recent Shown First) Status Completion Date
Regional Infrastructure Planning
Completed January 2016
​Local Planning - C10A Circuit Capacity Completed August 2015
Integrated Regional Resource Planning - Central Downtown Completed April 2015
​Needs Assessment Completed June 2014

*The completed reports are available below.

Relevant Documents

Regional Infrastructure Planning (RIP)
Name Completion Date
RIP Report Metro Toronto  January 2016
Integrated Regional Resource Planning (IRRP)
Name Completion Date
Metro Toronto Central Downtown Subregion - Appendices  April 2015
Metro Toronto Central Downtown Subregion - IRRP - Report  April 2015
Local Planning (LP)
Name Completion Date
Local Planning Report - Metro Toronto C10A  August 2015
Needs Assessment (NA) & Scoping Assessment (SA)
Name Completion Date
Needs Assessment Report - Toronto Region  October 2017
Needs Assessment Report - Metro Toronto - Northern Subregion  June 2014
Additional Documents
Name Completion Date
OPA Letter to Hydro One Regarding Central Toronto Subregion  December 2013