Interior to Lower Mainland (ILM) Project

ILM (Interior to Lower Mainland) Project is a 153-mile, 500-kV transmission line that originates at Nicola Substation near Merritt and terminates at Meridian Substation in Coquitlan, British Columbia. The project, which is sponsored by BC Hydro, cost C$743m.  Flatiron-Graham was the designer of the transmission lines.  ABB designed and constructed a new series of capacitor stations at Ruby Creek.  BC Hydro was responsible for upgrades at the Nicola and Meridian substations. The project will reduce congestion into the lower mainland and Vancouver Island area.  The project was completed in November 2015.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
BC Hydro and Power Authority 153 500 BC BC 2015
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
743 Operating Nicola Meridian
Interstate Build Start NERC ISO/RTO Country Project Partners
2012 WECC CA