Nature of Operations

9 Months Ended

Sep. 30, 2018

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Nature of Operations

Note 1. Nature of Operations

Questar Gas is a wholly-owned subsidiary of Dominion Energy Questar which is a wholly-owned subsidiary of Dominion Energy.

Questar Gas distributes natural gas as a public utility in Utah, southwestern Wyoming and a small portion of southeastern Idaho. The Utah, Wyoming and Idaho Commissions have granted Questar Gas the necessary regulatory approvals to serve these areas. Questar Gas also has long-term franchises granted by communities and counties within its service area.

Revenue generated by Questar Gas is based primarily on rates established by the Utah and Wyoming Commissions. The Idaho Commission has contracted with the Utah Commission for rate oversight of Questar Gas’ operations in Idaho.

Wexpro, an affiliate, provides the majority of Questar Gas’ natural gas supply and Dominion Energy Questar Pipeline, an affiliate, provides the majority of Questar Gas’ transportation and storage services.