MountainWest Pipeline — natural gas project
Data compiled from public filings — information only, not investment advice. AI‑assisted; see methodology.
Project information
As at 31 December 2025
Description
As at 31 December 2025
100%-owned FERC-regulated interstate natural gas transmission company operating an approximately 2,200-mile system in the Rocky Mountains near six producing areas, including the Greater Green River, Uinta and Piceance basins. Comprises MountainWest Pipeline, LLC; MountainWest Overthrust Pipeline, LLC; a 50% equity-method interest in White River Hub, LLC; and 64 Bcf of natural gas storage capacity including the Clay Basin underground reservoir in Utah. The Overthrust Westbound Compression expansion entered service in November 2025, adding approximately 325 Mdth/d of firm capacity.
Processing facilities
As at 31 December 2025
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