The Windsor-Essex region is the most southerly portion of Ontario. It consists of the City of Windsor, the Municipality of Leamington, the Towns of Amherstberg, Essex, Kingsville, Lakeshore, LaSalle, Tecumseh, and the Township of Pelee, as well as the western portion of the Municipality of Chatham-Kent. The region also includes a number of Indigenous communities including Aamjiwnaang First Nation, Caldwell First Nation, Chippewas of the Thames, Haudenosaunee Confederacy Chiefs Council (HCCC)/Haudenosaunee Development Institute (HDI), Oneida Nation of the Thames, Six Nations of the Grand River and Walpole Island First Nation (Bkejwanong Territory). Essex County contains the largest concentration of greenhouse vegetable production in North America that have been driving electricity demand and needs in the region, which will also be impacted by the recent industrial load expansion in the City of Windsor.
The local distribution companies providing services to customers in the area include:
E.L.K. Energy Inc.
Entegrus Powerlines Inc.
EnWin Utilities Ltd.
Essex Powerlines Corporation
Hydro One Networks Inc.
Regional Planning Progress Update
The 2025 Windsor-Essex Integrated Regional Resource Plan (IRRP), and Appendices has been posted along with the IESO’s response to feedback received following the November 26 engagement webinar. The report details several plan recommendations to ensure reliability in the near, medium and long term. There are currently no active regional planning engagement activities for this region. See Key Resources below and the engagement webpage for the latest planning documents.
