NiSource launches open season for Marcellus-Alberta diluent pipeline

Unity Pipeline Co. LLC—a joint venture of Harvest Pipeline Co., Somerset Gas Transmission Co. LLC, and Crossroads Pipeline Co.—part of NiSource’s Columbia Pipeline Group, has begun a two-phase open season for a proposed 380-mile diluent pipeline supplying Marcellus and Utica shale light condensate and natural gasoline to Western Canada.

Phase 1, a nonbinding open season, will provide prospective shippers an opportunity through Dec. 20 to quantify their interest in the Unity Pipeline. Phase 2, set for next year, will allow shippers to submit binding offers for firm, long-term transportation service. Unity will consist of a 12-in. OD pipeline from Kensington, Ohio, connected to Somerset’s existing North Coast Pipeline originating at Mantua, Ohio. The pipeline will further connect to the Crossroads Pipeline at Cygnet, Ohio, and ultimately terminate in Griffith, Ind., at an interconnection with Explorer Pipeline. The North Coast and Crossroads pipeline systems currently transport natural gas west-to-east and will be reversed and converted from natural gas to diluent service.

Unity will also build a system to gather diluent products from the Marcellus and Utica regions. This system will deliver condensate and natural gasoline to Kensington.

Contact Christopher E. Smith at

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