Ruby Pipeline, L.L.C. is a midstream natural gas service provider that operates a 683-mile, 42-inch diameter pipeline originating at the Opal Hub in Wyoming and terminating at the Malin Hub in Oregon. Completed in 2011 at a cost of approximately $3.7 billion, the pipeline features four compressor stations with 157,000 horsepower of capacity to transport natural gas to the Pacific Northwest. The company is co-sponsored by Kinder Morgan, Inc. and Pembina Pipeline Corporation, with operations managed by an affiliate, EP Ruby.