The Halton Hills Generating Station is a 680 megawatt natural gas fuelled, high efficieny combined cycle power plant. It has the capacity to supply the needs of approximately 600,000 homes. Robert B. Somerville Co. Limited teamed with Black & McDonald Limited to construct the 1,480 meter long underground 230kV Connector cables from the power plant to the existing High Voltage Transmission Line. The installation consisted of six eight inch ducts encased in concrete running along an existing regional road. The project included crossing Highway 401 with 8 separate parallel 8 inch diameter conduit. It also incuded constructing four poured in place concrete cabe splicing bays. Lastly the delivery and handling of the 230 kV cable including pulling into final location through the conduit.
