Hydro One selects AtkinsRéalis to expand key substation to power Toronto from new Darlington SMRs

Hydro One selects AtkinsRéalis to expand key substation powering Toronto from new Darlington SMRs

AtkinsRéalis Group Inc. (TSX: ATRL), an engineering and nuclear services company with global operations, has been chosen by Hydro One Networks Inc. for a multi-year Owner’s Engineer mandate to expand the Bowmanville Switching Station in Ontario.

The project, located across from the Darlington Nuclear Generating Station, will support the grid connection for four planned Small Modular Reactors (SMRs) at the nearby Darlington New Nuclear Project by Ontario Power Generation. This infrastructure will strengthen energy supply to southern Ontario, including Toronto.

“Delivering nation-building energy projects in Canada and around the world has been a hallmark of our work in the Power & Renewables sector for decades,” said Ian L. Edwards, President and Chief Executive Officer of AtkinsRéalis. “AtkinsRéalis is ideally positioned to deliver this critical substation project, ensuring reliable power from the Darlington New Nuclear Project to the region.”

About the Project

Company Overview

AtkinsRéalis Group Inc. operates globally in engineering and project management, specializing in nuclear, infrastructure, and renewable energy projects. Hydro One is Ontario’s largest electricity transmission and distribution provider with approximately 10,000 employees.

Author’s summary: AtkinsRéalis will oversee Hydro One’s expansion of Bowmanville’s substation to connect new Darlington SMRs and reinforce Toronto’s future power supply.

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Newswire Newswire — 2025-11-06

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