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The Boston Globe

Business

Transmission projects aim to tap Canadian hydroelectricity

Across the Canadian border, massive dams generate a seemingly endless supply of hydroelectricity — a source of power that could help New England replace its closing coal and nuclear plants while cutting greenhouse gas emissions that contribute to climate change. But there’s a big problem: getting it here.

At least five major transmission projects — some estimated to cost more than $1 billion to build — have been proposed to connect New England to this plentiful power source to the north. The projects, however, are not only spurring opposition in the communities where the lines would cross but also a broader debate about the region’s energy policy and the role hydroelectricity should play.

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