Jun
26
2025
Notice of fieldwork and in-water activity – summer 2025
As part of continued pre-development work on the Ontario Pumped Storage Project, TC Energy will be conducting geotechnical investigations this summer at 4th Canadian Division Training Centre (4 CDTC) and in Georgian Bay. This work will provide information on the conditions of the soil and bedrock, helping to inform the ongoing design of the Project.
Read the Notice here.
For further information, review Frequently Asked Questions.
Planned Barge Set Up

The boreholes will be drilled from a temporary barge platform that will be positioned in Georgian Bay.
View largerPlanned Sediment Control Method

The borehole drilling will be conducted using a dual-casing system designed to isolate the drilling process from the surrounding Georgian Bay waters.
View larger