08:05 AM EDT, 08/25/2025 (MT Newswires) -- US-listed WhiteWater said Monday that its Matterhorn joint venture with Enbridge ( ENB ) reached a final investment decision to advance the construction of the Eiger Express pipeline.

ENB was at last look up 0.2% and trading near 52 week high levels in U.S. trading.

In Monday's statement it was noted that the joint venture, which also includes US-listed ONEOK and MPLX, made the decision after securing sufficient firm transportation agreements with primarily investment grade shippers.

The pipeline can transport up to 2.5 billion cubic feet per day of natural gas through 450 miles of 42-inch pipeline from the Permian Basin in West Texas to the Katy area.

Supply for the Eiger Express pipeline will be sourced from multiple connections in the Permian Basin, including gas processing facilities in the Midland Basin, and from the Delaware Basin via the Agua Blanca pipeline, also a joint venture between WhiteWater, Enbridge ( ENB ) and MPLX.

WhiteWater will construct the Eiger Express pipeline, which is expected to be in service in mid-2028.

Enbridge ( ENB ) owns a 10% stake in the Matterhorn joint venture while WhiteWater owns 65%, ONEOK owns 15% and MPLX owns 10%.