Planners Pick $1.5B Underwater HVDC Line for Toronto’s ‘Third Supply’
IESO planners recommended the construction of a $1.5 billion HVDC line to meet Toronto’s growing energy needs, saying it would be more “future proof” than two cheaper options. | IESO
Sep 25, 2025
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IESO system planners recommended the construction of a $1.5 billion HVDC line to meet Toronto’s growing energy needs, saying it would be more “future proof” than two cheaper options.



