Serious questions include execution risk, timelines, system integration and other factors.
Ontario is planning to build one of its most important power projects in decades: a $1.5 billion transmission line under Lake Ontario that will deliver 900 MW of electricity directly into downtown Toronto. Known as the Toronto Third Line (TTL), this urgent and system critical project is crucial to strengthening electricity reliability and supporting the ongoing rapid growth of Canada’s largest city. Yet Ontario is now proposing to use it as a pilot project for a new and untested competitive transmission procurement framework.
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pwu-energy-futures-pg2-april-22-2026
