20161001Final Approved Tariffs.pdf

I.P.U.C. Gas Tariff
Rate Schedules
Fifty-First Revised Sheet No. 01 (Page 1 of 1)
Name Intermountain Gas Company
Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016
Rate Schedule RS-1
RESIDENTIAL SERVICE
APPLICABILITY:
Applicable to any customer using natural gas for residential purposes, who does not have both natural gas
water heating and natural gas space heating.
RATE:
Monthly minimum charge is the customer charge.
For billing periods ending April through November
Customer Charge - $2.50 per bill
Per Therm Charge - $0.81491*
For billing periods ending December through March
Customer Charge - $6.50 per bill
Per Therm Charge - $0.70235*
*Includes the following:
Cost of Gas: 1)Temporary purchased gas cost adjustment ($0.04254)
2)Weighted average cost of gas $0.29695 3)Gas transportation cost $0.24372
Distribution Cost: April through November $0.31678 December through March $0.20422
PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased
Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:
All natural gas service hereunder is subject to the General Service Provisions of the Company's Tariff, of
which this rate schedule is a part.
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules
Fifty-First Revised Sheet No. 02 (Page 1 of 1)
Name Intermountain Gas Company

Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016

Rate Schedule RS-2
RESIDENTIAL SERVICE- SPACE AND WATER HEATING
APPLICABILITY:
Applicable to any customer using natural gas for residential purposes, which must include at a minimum,
both natural gas water heating and natural gas space heating.
RATE:

Monthly minimum charge is the customer charge. For billing periods ending April through November
Customer Charge - $2.50 per bill
Per Therm Charge - $0.65507* For billing periods ending December through March
Customer Charge - $6.50 per bill
Per Therm Charge - $0.62144* *Includes the following:

Cost of Gas: 1) Temporary purchased gas cost adjustment ($0.04388) 2) Weighted average cost of gas $0.29695
3) Gas transportation cost $0.20600 Distribution Cost: April through November $0.19600 December through March $0.16237
PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's
Purchased Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:
All natural gas service hereunder is subject to the General Service Provisions of the Company's Tariff, of
which this rate schedule is a part.
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules
Fifty-Third Revised Sheet No. 03 ( Page 1 of 2)
Name Intermountain Gas Company

Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016
Rate Schedule GS-1
GENERAL SERVICE
APPLICABILITY:
Applicable to customers whose requirements for natural gas do not exceed 2,000 therms per day, at any point
on the Company's distribution system. Requirements in excess of 2,000 therms per day may be served under this rate schedule upon execution of a one-year written service contract.

RATE:

Monthly minimum charge is the customer charge. For billing periods ending April through November
Customer Charge - $2.00 per bill
Per Therm Charge - First 200 therms per bill @ $0.67847* Next 1,800 therms per bill @ $0.65674* Over 2,000 therms per bill @ $0.63572*
For billing periods ending December through March

Customer Charge - $9.50 per bill Per Therm Charge - First 200 therms per bill @ $0.62762*
Next 1,800 therms per bill @ $0.60642* Over 2,000 therms per bill @ $0.58596*
*Includes the following:
Cost of Gas: 1) Temporary purchased gas cost adjustment ($0.05144)
2) Weighted average cost of gas $0.29695 3) Gas transportation cost $0.21545
Distribution Cost: April through November: First 200 therms per bill @ $0.21751
Next 1,800 therms per bill @ $0.19578 Over 2,000 therms per bill @ $0.17476
December through March First 200 therms per bill @ $0.16666 Next 1,800 therms per bill @ $0.14546
Over 2,000 therms per bill @ $0.12500
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules
Fifty-Third Revised Sheet No. 03 ( Page 2 of 2)
Name Intermountain Gas Company

Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016
Rate Schedule GS-1
GENERAL SERVICE
(Continued)
For separately metered deliveries of gas utilized solely as Compressed Natural Gas Fuel in vehicular internal combustion engines.
Customer Charge - $9.50 per bill
Per Therm Charge - $0.58596*
*Includes the following:
Cost of Gas: 1) Temporary purchased gas cost adjustment ($0.05144) 2) Weighted average cost of gas $0.29695 3) Gas transportation cost $0.21545
Distribution Cost: $0.12500
PURCHASED GAS COST ADJUSTMENT:

This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:
1. All natural gas service hereunder is subject to the General Service Provisions of the Company's Tariff, of which this rate schedule is a part. BILLING ADJUSTMENTS:

1. Any GS-1 customer who leaves the GS-1 service will pay to Intermountain Gas Company, upon exiting the GS-1 service, all gas and transportation related costs incurred to serve the customer during the GS-
1 service period not paid by the customer during the time the customer was using GS-1 service. Any GS-1 customer who leaves the GS-1 service will have refunded to them, upon exiting the GS-1 service,
any excess gas commodity or transportation payments made by the customer during the time they were a GS-1 customer.
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules Tenth Revised Sheet No. 4 (Page 1 of 2)
Name Intermountain Gas Company
Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs
Effective: October 1, 2016
Rate Schedule IS-R
RESIDENTIAL INTERRUPTIBLE SNOWMELT SERVICE
APPLICABILITY:
Applicable to any residential customer otherwise eligible to receive service under Rate Schedule RS-1 or
RS-2 who has added natural gas snowmelt equipment after 6/1/2010. The intended use of the snowmelt equipment is to melt snow and/or ice on sidewalks, driveways or any other similar appurtenances. Any and all such applications meeting the above criteria will be subject to service under Rate Schedule IS-R and will
be separately and individually metered. All service hereunder is interruptible at the sole discretion of the
Company.
FACILITY REIMBURSEMENT CHARGE:
All new interruptible Snowmelt service customers are required to pay for the cost of the Snowmelt meter set and other related facility and equipment costs, prior to the installation of the meter set. Any request to alter
the physical location of the meter set and related facilities from Company’s initial design may be granted provided, however, the Company can reasonably accommodate said relocation and Customer agrees to
pay all related costs.
RATE:
Monthly minimum charge is the Customer Charge.
For billing periods ending April through November
Customer Charge - $2.50 per bill
Per Therm Charge - $0.62144*
For billing periods ending December through March
Customer Charge - $6.50 per bill
Per Therm Charge - $0.62144*
*Includes the following:
Cost of Gas: 1)Temporary purchased gas cost adjustment ($0.04388)
2)Weighted average cost of gas $0.29695 3)Gas transportation cost $0.20600
Distribution Cost: $0.16237
PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased
Gas Cost Adjustment Schedule.
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules Tenth Revised Sheet No. 5 (Page 1 of 2)
Name Intermountain Gas Company

Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs
Effective: October 1, 2016

Rate Schedule IS-C SMALL COMMERICAL INTERRUPTIBLE SNOWMELT SERVICE
APPLICABILITY:

Applicable to any customer otherwise eligible to receive gas service under Rate Schedule GS-1 who has added natural gas snowmelt equipment after 6/1/2010. The intended use of the snowmelt equipment is to
melt snow and/or ice on sidewalks, driveways or any other similar appurtenances. Any and all such applications meeting the above criteria will be subject to service under Rate Schedule IS-C and will be
separately and individually metered. All service hereunder is interruptible at the sole discretion of the Company. FACILITY REIMBURSEMENT CHARGE: All new interruptible Snowmelt service customers are required to pay for the cost of the Snowmelt meter set
and other related facility and equipment costs, prior to the installation of the meter set. Any request to alter the physical location of the meter set and related facilities from Company’s initial design may be granted
provided, however, the Company can reasonably accommodate said relocation and Customer agrees to pay all related costs.
RATE:
Monthly minimum charge is the Customer Charge.
For billing periods ending April through November
Customer Charge – $2.00 per bill
Per Therm Charge – First 200 therms per bill @ $0.62762*
Next 1,800 therms per bill @ $0.60642* Over 2,000 therms per bill @ $0.58596*
For billing periods ending December through March
Customer Charge – $9.50 per bill
Per Therm Charge – First 200 therms per bill @ $0.62762*
Next 1,800 therms per bill @ $0.60642* Over 2,000 therms per bill @ $0.58596*
*Includes the following:
Cost of Gas: 1) Temporary purchased gas cost adjustment ($0.05144)
2) Weighted average cost of gas $0.29695 3) Gas transportation cost $0.21545
Distribution Cost: First 200 therms per bill @ $0.16666
Next 1,800 therms per bill @ $0.14546 Over 2,000 therms per bill @ $0.12500

IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules Sixty-First Revised Sheet No. 7 ( Page 1 of 2)
Name Intermountain Gas Company
Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs
Effective: October 1, 2016
Rate Schedule LV-1
LARGE VOLUME FIRM SALES SERVICE
AVAILABILITY:
Available at any mutually agreeable delivery point on the Company's distribution system to any existing customer receiving service under the Company’s rate schedule LV-1 or any customer not previously served
under this schedule whose usage does not exceed 500,000 therms annually, upon execution of a one-year minimum written service contract for firm sales service in excess of 200,000 therms per year.
MONTHLY RATE:
Per Therm Charge:
Block One: First 250,000 therms per bill @ $0.40773*
Block Two: Next 500,000 therms per bill @ $0.36924* Block Three: Amount Over 750,000 therms per bill @ $0.29644*
*Includes the following:
Cost of Gas: 1) Temporary purchased gas cost adjustment
Block One and Two ($0.02443) Block Three ($0.00712)
2) Weighted average cost of gas $0.29695 3)Gas transportation cost (Block One and Two only)$0.07065
Distribution Cost: Block One $0.06456 Block Two $0.02607 Block Three $0.00661
PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:
1.All natural gas service hereunder is subject to the General Service Provisions of the Company's
Tariff, of which this Rate Schedule is a part.
2. The customer shall negotiate with the Company, a Maximum Daily Firm Quantity (MDFQ) amount,which will be stated in and will be in effect throughout the term of the service contract.
In the event the Customer requires daily usage in excess of the MDFQ, and subject to the
availability of firm interstate transportation to serve Intermountain's system, all such usage maybe transported and billed under either secondary rate schedule T-3 or T-4. The secondary rate
schedule to be used shall be predetermined by negotiation between the Customer and Company,and shall be included in the service contract. All volumes transported under the secondary rate
schedule are subject to the provisions of the applicable rate schedule T-3 or T-4.
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules Twelfth Revised Sheet No. 8 ( Page 1 of 2)
Name Intermountain Gas Company
Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016
Rate Schedule T-3 INTERRUPTIBLE DISTRIBUTION TRANSPORTATION SERVICE
AVAILABILITY:
Available at any point on the Company's distribution system to any customer upon execution of a one
year minimum written service contract.
MONTHLY RATE:
Block One: First 100,000 therms transported @ $0.05463* Block Two: Next 50,000 therms transported @ $0.02203*
Block Three: Amount over 150,000 therms transported @ $0.00790*
*Includes temporary purchased gas cost adjustment of $(0.00097)
ANNUAL MINIMUM BILL:
The customer shall be subject to the payment of an annual minimum bill of $30,000 during each annual contract period, unless a higher minimum is required under the service contract to cover special
conditions.
PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased
Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:
1.The Company, in its sole discretion, shall determine whether or not it has adequate capacity toaccommodate transportation of the customer's gas supply on the Company's distribution system.
2.All natural gas service hereunder is subject to the General Service Provisions of the Company'sTariff, of which this Rate Schedule is a part.
3.Interruptible Distribution Transportation Service may be made firm by a written agreement betweenthe parties if the customer has a dedicated line.
4.If requested by the Company, the customer expressly agrees to immediately curtail or interrupt its
operations during periods of capacity constraints on the Company’s distribution system.
5.This service does not include the cost of the customer's gas supply or the interstate pipeline
capacity. The customer is responsible for procuring its own supply of natural gas and transportation
to Intermountain's distribution system under this rate.
6.The customer understands and agrees that the Company is not responsible to deliver gas suppliesto the customer which have not been nominated and accepted for delivery by the interstatepipeline.
7.An existing LV-1, T-4, or T-5 customer electing this schedule may concurrently utilize Rate
Schedule T-3 on the same or contiguous property.
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules
Eleventh Revised Sheet No. 9 ( Page 1 of 2)
Name Intermountain Gas Company

Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016
Rate Schedule T-4 FIRM DISTRIBUTION ONLY TRANSPORTATION SERVICE

AVAILABILITY:
Available at any mutually agreeable delivery point on the Company's distribution system to any customer
upon execution of a one year minimum written service contract for firm distribution transportation service
in excess of 200,000 therms per year.
MONTHLY RATE:
Commodity Charge:
Block One: First 250,000 therms transported @ $0.05863*
Block Two: Next 500,000 therms transported @ $0.02014*
Block Three: Amount over 750,000 therms transported @ $0.00541*

*Includes temporary purchased gas cost adjustment of $(0.00120)
PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:

1. This service excludes the service and cost of firm interstate pipeline charges.
2. The customer is responsible for procuring its own supply of natural gas and interstate transportation under this Rate Schedule. The customer understands and agrees that the Company
is not responsible to deliver gas supplies to the customer which have not been nominated, scheduled, and delivered by the interstate pipeline to the designated city gate.
3. All natural gas service hereunder is subject to the General Service Provisions of the Company’s
Tariff, of which this Rate Schedule is a part.
4. The customer shall nominate a Maximum Daily Firm Quantity (MDFQ), which will be stated in the contract and in effect throughout the term of the service contract.
5. An existing LV-1, T-3, or T-5 customer electing this schedule may concurrently utilize Rate
Schedule T-4 on the customer’s same or contiguous property. BILLING ADJUSTMENTS:

1. In the event that total deliveries to any existing T-4 customer within the most recent three contract periods met or exceeded the 200,000 therm threshold, but the customer during the current contract
period used less than the contract minimum of 200,000 therms, an additional amount shall be billed. The additional amount shall be calculated by billing the deficit usage below 200,000 therms
at the T-4 Block 1 rate. The customer's future eligibility for the T-4 Rate Schedule will be renegotiated with the Company.

IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary
I.P.U.C. Gas Tariff
Rate Schedules Tenth Revised Sheet No. 10 (Page 1 of 2)
Name Intermountain Gas Company

Issued by: Intermountain Gas Company
By: Michael P. McGrath Title: Director – Regulatory Affairs Effective: October 1, 2016

Rate Schedule T-5
FIRM DISTRIBUTION SERVICE WITH MAXIMUM DAILY DEMANDS

AVAILABILITY:

Available at any mutually agreeable delivery point on the Company’s distribution system to any existing T-5 customer whose daily contract demand on any given day meets or exceeds a predetermined level
agreed to by the customer and the Company upon execution of a one-year minimum written service contract for firm distribution service in excess of 200,000 therms per year.
MONTHLY RATE: Firm Service Rate Per Therm
Demand Charge: Firm Daily Demand $0.84253
Commodity Charge: For Firm Therms Transported $0.00133*
Over-Run Service
Commodity Charge:
For Therms Transported In Excess Of MDFQ: $0.04392*
*Includes temporary purchased gas cost adjustment of $(0.00113) PURCHASED GAS COST ADJUSTMENT:
This tariff is subject to an adjustment for cost of purchased gas as provided for in the Company's Purchased Gas Cost Adjustment Schedule.
SERVICE CONDITIONS:
1. All natural gas service hereunder is subject to the General Service Provisions of the Company’s Tariff, of which this Rate Schedule is a part.

2. The customer shall nominate a Maximum Daily Firm Quantity (MDFQ), which will be stated in and will be in effect throughout the term of the service contract.
3. The monthly Demand Charge will be equal to the MDFQ times the Firm Daily Demand rate. Firm
demand relief will be afforded to those T-5 customers paying both demand and commodity charges for gas when, in the Company’s judgment, such relief is warranted.
4. The actual therm usage for the month or the MDFQ times the number of days in the billing month,
whichever is less, will be billed at the applicable commodity charge for firm therms.
5. All therms not billed at the commodity charge for firm therms transported rate will be billed at the Overrun Service rate.

IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Sept. 27, 2016 Oct. 1, 2016
Per O.N. 33604
Jean D. Jewell Secretary