In order to maintain the safe and reliable operation of Enbridge Gas’s system, and to continue meeting the natural gas needs of our customers, we are replacing some of our older natural gas storage and transmission assets in the in St. Clair Township area. The project includes decommissioning up to seven of 11 natural gas compressors currently located at the Corunna Compressor Station, which are approaching the end of their lifecycles. The project includes the construction of a new 36-inch diameter steel pipeline between the Corunna Compressor Station in St. Clair Township and the Dawn Operations Centre in the Township of Dawn-Euphemia. The project is subject to Ontario Energy Board (OEB) approval.
On Nov. 3, 2022, the OEB issued its Decision and Order approving the Leave to Construct application for this project. Construction on this project started June 1, 2023.
Project status/timeline
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Feasibility
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Environmental studies
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Regulatory review
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Regulatory approval
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Under construction
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In-service
Project status/timeline
-
Feasibility
-
Environmental studies
-
Regulatory review
-
Regulatory approval
-
Under construction
-
In-service
Project information
Project updates
To accommodate construction work on this project, road closures are tentatively scheduled to occur over the coming weeks.
These are subject to change, and the information here will be updated as it becomes available.
- Starting Sept. 18, Bickford Line has been closed between Brigden Road and Waterworks Road, and McCallum Line has been closed between Brigden Road and Mandaumin Road. As of Sept. 22, both roads have reopened.
- Starting Sept. 25, Mandaumin Road will be closed between Burman Line and McCallum Line.
- Future closures will also be required on Stanley Line between Brigden Road and Mandaumin Road, and on sections of Oil Springs Line. More details on these closures will be posted when they become available.
Please note these closures are subject to change based on weather and other factors. Please follow the posted detours.
The following closures were also necessary to accommodate construction work on this project, and are now complete.
- Courtright Line (Hwy 80), from Waubuno Road to Tefler Road.
- Waubuno Road from Courtright Line to Moore Line.
- Moore Line between Kimball Road and Tecumseh Road.
- Kimball Road between Courtright Line and Moore Line.
- Telfer Road between Courtright Line and Oil Springs Line.
- Brigden Road between Oil Springs Line and Bickford Line.
Community Investment Funding – Applications open
Enbridge Gas is committed to supporting our communities. As work on the Dawn to Corunna Project proceeds, community investment funds are available for qualified charitable and non-profit organizations serving St. Clair Township, Dawn-Euphemia, Sarnia and Lambton County.
Like many organizations, we receive numerous funding requests. To make the largest impact on our communities, we have a focused giving program. Our funding is directed to qualified organizations and programs that focus on community vitality, safety and sustainability.
Details about our three focus areas, as well as criteria and eligibility requirements, are available on Enbridge Gas’ giving guidelines webpage. Please review these details prior to submitting an application. You can then select “apply online” at the bottom of the page. When asked “Have you spoken to anyone at Enbridge Gas about this application?” select “Yes” and list “Dawn to Corunna” when prompted for the Enbridge Gas employee details. Note that not all applications will receive funding.
Only applications from the above listed geographic areas that meet all outlined criteria will be considered for funding. Applications for funding will be accepted until the Fall of 2023, however, please note that we cannot guarantee funds will available by the time your application is received.
Timeline
Task | Undertakings | Proposed Timeline / Date |
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Consultation | First virtual information session | Complete, view first session presentation. |
Second virtual information session | Complete, view second session presentation. | |
Preparation of the environmental report | Prepare an environmental report based on collected data. Report includes impact assessment, and mitigation recommendations. | Complete, view environmental report. |
Circulation to Ontario Pipeline Coordinating Committee (OPCC) | Enbridge Gas filed the environmental report with the Ontario Pipeline Coordinating Committee (OPCC). The purpose of the OPCC is to coordinate the provincial government review of facilities projects in Ontario requiring approval from the OEB. | Complete |
OEB leave to construct application | Enbridge Gas has filed a Leave to Construct application with the OEB | Completed March 21, 2022. View the application |
Notice of application | The OEB has issued the notice of application | Completed April 12, 2022 View the notice |
OEB Approval | The OEB has approved the Leave to Construct application | Completed Nov. 3, 2022. View the Decision and Order |
Construction start | Construction on this project has now started. | June 1, 2023 |
Potential construction finish | Construction completion | November 2023 |
Indigenous and community engagement
Engagement with Indigenous communities, landowners, government agencies, the general public and other interested persons is an integral component of the planning process for this project. As a result of the social distancing requirements set out by the province of Ontario, due to COVID-19, virtual information sessions held in place of in-person information sessions.
The first of two virtual open houses was held from May 3, to May 17, 2021. Please view the first presentation.
The second virtual open house was held from July 19, to Aug. 2, 2021: Please view the second presentation.
Public notification
Project commencement letters
Notice of project commencement letters were mailed out to the OPCC, agencies, local Municipalities, directly and indirectly affected landowners, and Indigenous communities the week of April 19, 2021.
Newspaper advertisements
The notice of project commencement was published in the Sarnia Observer on April 27, 2021 and Sarnia This Week on April 29, 2021.
Regulatory information
The project is regulated by the Ontario Energy Board (OEB), an independent government agency that regulates the electricity and natural gas sectors. After a public review and hearing, the OEB has issued its Decision and Order, granting Leave to Construct this project. In this section, you can review all regulatory files about the project.
Environment assessment
The purpose of the environmental assessment is to: identify any potential impacts of the proposed project on the social, economic and natural environments; identify local or provincial concerns regarding the proposed Project; determine preferred routing of the pipeline segments (and if alternate routing is practical); gather input from agencies, stakeholders, Indigenous and Métis communities, affected landowners and the public. As well, mitigation measures are recommended to limit impacts on the social, economic and natural environments. It is important to minimize potential impacts of the proposed natural gas distribution pipelines and associated facilities on the environment. The data, analysis and results of the environmental assessment are detailed in the environmental report.
Leave to construct application
On March 21, 2022, Enbridge Gas filed a Leave to Construct application with the Ontario Energy Board (OEB).
Read the leave to construct application.
Leave to construct application decision
On Nov. 3, 2022, the Ontario Energy Board issued its Decision and Order granting Enbridge Gas leave to construct this project.
We want to hear from you!
We encourage you to contact us, should you have any questions about the project.
Phone: 1-855-381-9138 (toll free)
Email: projects1@enbridge.com