Rates and Tariffs

Intermountain Gas Company's residential and small commercial billing categories are listed below. To find out what price you are currently paying, look at the billing rate section of your bill. (See Understanding Your Bill).  If you think you should be in a different category, please call our Customer Service Center at 377-6840 in the Boise/Treasure Valley area or 1-800-548-3679 from all other areas. We are available to take your calls from 7:00 a.m. to 7:00 p.m., MST, Monday through Friday.

Your bill also contains a customer charge. This is our basic charge for services, which include customer billing and meter maintenance. 

Our Rate Information pamphlet gives you additional information on each "Type of Rate" classification and also explains what components are in our gas rates.

RS-1 Residential Service for:

Effective Date: 10/1/2013
April-November
Customer Charge $2.50 per bill
Commodity Charge $0.87312 per therm*
December-March
Customer Charge $6.50 per bill
Commodity Charge $0.76056 per therm*

*Includes: Temporary purchased gas cost adjustment of $(0.04197) Weighted average cost of gas of $0.37341

 

RS-2 Residential Service

Effective Date: 10/1/2013
April-November
Customer Charge $2.50 per bill
Commodity Charge $0.73125 per therm*
December-March
Customer Charge $6.50 per bill
Commodity Charge $0.69762 per therm*

*Includes:
   Temporary purchased gas cost adjustment of $(0.03126)
   Weighted average cost of gas of $0.37341

 

GS-1 General Service

Effective Date: 10/1/2013
April-November
Customer Charge $2.00 per bill
Commodity Charge  
First 200 therms per bill @ $0.76957*
Next 1,800 therms per bill @ $0.74784* 
Over 2,000 therms per bill @ $0.72682* 
December-March
Customer Charge $9.50 per bill
Commodity Charge  
First 200 therms per bill @ $0.71872*
Next 1,800 therms per bill @ $0.69752* 
Over 2,000 therms per bill @ $0.67706*
For separately metered deliveries of gas utilized solely as Compressed Natural Gas Fuel in vehicular internal combustion engines.
Customer Charge $9.50 per bill
Commodity Charge $0.67706 per therm*

*Includes:
   Temporary purchased gas cost adjustment of $(0.02360)
   Weighted average cost of gas of $0.37341.

 

IS-R Interruptible Service

Effective Date: 10/1/2013
April-November
Customer Charge $2.50 per bill
Commodity Charge $0.69762 per therm*
December-March
Customer Charge $6.50 per bill
Commodity Charge $0.69762 per therm*

*Includes:
   Temporary purchased gas cost adjustment of $(0.03126)
   Weighted average cost of gas of $0.37341

 

IS-C Interruptible Service

Effective Date: 10/1/2013
April-November
Customer Charge $2.00 per bill
Commodity Charge  
First 200 therms per bill @ $0.71872*
Next 1,800 therms per bill @ $0.69752* 
Over 2,000 therms per bill @ $0.67706* 
December-March
Customer Charge $9.50 per bill
Commodity Charge  
First 200 therms per bill @ $0.71872*
Next 1,800 therms per bill @ $0.69752* 
Over 2,000 therms per bill @ $0.67706*

*Includes:
   Temporary purchased gas cost adjustment of $(0.02360)
   Weighted average cost of gas of $0.37341.

 

 

Idaho PUC

Intermountain Gas Company is a regulated utility under the jurisdiction of the Idaho Public Utilities Commission.

Industrial Services

Intermountain Gas Company also has an Industrial Service website for our Industrial - Large Volume Customers.