Intermountain Gas
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Intermountain Gas Company

Beginning operations in 1956, Intermountain is a natural gas utility serving 74 cities in 23 counties in southern Idaho. The service territory encompasses 60,000 square miles, with a population of more than 1.1 million.

The company is based in Boise, Idaho.

Intermountain’s major operating areas are:

  • Western Region – The western Snake and lower Payette River valleys, the Boise-Nampa MSA, and eastward through Mountain Home to Glenns Ferry.
  • Eastern Region – The eastern, central and upper Snake River Valleys from Pocatello to Idaho Falls, Rexburg and St. Anthony, Twin Falls/Burley, the Wood River Valley and Sun Valley, and southeast to Soda Springs and Montpelier.  

Intermountain serves a number of industrial customers, including potato processing facilities, dairies, meat processing facilities, chemical companies, fertilizer makers and electronics manufacturers.

Intermountain owns and operates a 6 million-therm liquefied natural gas storage facility near Nampa, Idaho. Intermountain also owns and operates 5,900 miles of transmission laterals, distribution lines and services.

For more information, see the company website: www.intgas.com.