Canadian soldiers armed with chain saws have fanned out across Halifax and the surrounding communities to help clean up the tangled mess of fallen trees and power lines left behind by post-tropical cyclone Dorian.

Their high-profile deployment is part of a wider effort to deal with power outages that have left much of Atlantic Canada in the dark for two days.

Utility companies in Nova Scotia, New Brunswick and Prince Edward Island have been working to restore power to half a million customers.

Members of the 4 Engineer Support Regiment from Camp Gagetown assist in the cleanup in Halifax, Nova Scotia on Monday, Sept. 9, 2019. Hurricane Dorian brought wind, rain and heavy seas that knocked out power across the region. (Andrew VaughanThe Canadian Press via AP)

Members of the 4 Engineer Support Regiment from Camp Gagetown assist in the cleanup in Halifax, Nova Scotia on Monday, Sept. 9, 2019. Hurricane Dorian brought wind, rain and heavy seas that knocked out power across the region. (Andrew VaughanThe Canadian Press via AP)

Almost 200,000 homes and businesses were still without electricity in Nova Scotia Monday afternoon after a peak of about 400,000 were out Saturday.

No deaths were reported.

About 300 soldiers from New Brunswick were brought in to help with the cleanup and another 400 were on standby.