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ABB has been awarded orders worth $32m from Canada's Hydro One Networks, to provide high-voltage power products for the expansion of two existing 550kV-80kA substations in Ontario.

ABB will design, manufacture, test, supply and provide technical direction on-site for an expansion of seven gas insulated switchgear (GIS) circuit breaker positions, including a gas insulated bus (GIB) for new line exit connections and the provision of interfaces for existing GIS substations, including interfaces to non-ABB GIS substations.

The ABB products that will be used in these Hydro One substations, including dead-tank circuit breakers manufactured in Mount Pleasant, USA, and gas-insulated switchgear manufactured in Oerlikon, Switzerland, meet the demands of 550kV system applications and 80kA fault current interrupting capability.