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Hydro One completes $6.8M Ontario-Michigan transmission circuit refurbishment


October 15, 2014 – Hydro One announced that the refurbishment of an international transmission circuit linking Ontario and Michigan is complete. The $6.8-million investment refurbished 24 towers on the 5.5-km circuit that runs from Sarnia Scott TS to the Mid River Junction Bunce Creek at the St. Clair River.

The parties say the work involved replacing five transmission towers and strengthening the steel on 19 towers in accordance with Canadian Safety Authority Standards. Beginning in November 2013, the process took approximately 17,000 constructions hours to complete.

“The refurbishment of this critical asset ensures continued reliability of one of the transmission lines that link Ontario and Michigan allowing for the import and export of electricity between the two jurisdictions,” said Scott McLachlan, Hydro One director of transmission asset management.

About 800m of the transmission line is located on Aamjiwnaang First Nation, said the utility, adding that it worked with the First Nation to find opportunities to utilize local contractors where possible.