They're tapping more from the mighty Niagara. A new power tunnel will augment two existing ones through the rock 100 m. beneath the city of Niagara Falls, carrying water 10 km down river to the Queenston power plant.
The boring machine is really impressive, it will cut a diameter 65% larger than the Chunnel. It will have a crew of 30.
The outcome is expected to be 1.6 billon kwh of additional electricic power per year.
See the Toronto Star: "Big Becky"






