Questar Pipeline

Transporting clean natural gas throughout the Rockies

Southern System Main Line No. 104 Extension Project

Questar Pipeline Company is holding an open season to solicit binding support for construction of 23 miles of 24-inch pipeline, along with additional compression, in order to extend its Main Line No. 104 from the Green River Block Valve to the Fidlar Compressor Station. more...

Rockies Alliance Pipeline Proposed to Connect Rockies Supplies to Midwestern Markets

Combined with existing infrastructure, the new Rockies Alliance Pipeline system will provide "seamless service" to key natural gas markets. more...

Rockies Alliance Pipeline Project Overview

Project Overview | Contacts
Questar Overthrust Pipeline Company, Alliance Pipeline Inc. and Spectra Energy are jointly proposing a natural gas pipeline to connect the U.S. Rocky Mountain Region to the Chicago market hub. The pipeline is being developed in response to increasing supply from the U.S. Rockies region. more...