20180126Final approved Schedule 150.pdf

Twenty-FifthRevision Sheet 150
Replacing
I.P.U.C.No.27 Twenty-FourthRevision Sheet 150 150
AVISTA CORPORATION
d/bla Avista Utilities
SCHEDULE 150
PURCHASE GAS COST ADJUSTMENT-IDAHO
APPLICABLE:
To Customers in the State of Idaho where Company has natural gas service
available.
PURPOSE:
To pass through changes in costs resulting from purchasing and transporting
natural gas,to become effective as noted below.
RATE:
(a)The retail rates of firm gas Schedules 101,111 and 112 are to be increased
by 26.929¢per therm in all blocks of these rate schedules.
(b)The rates of interruptible Schedules 131 and 132 are to be increased by
16.371¢per therm.
(c)The rate for transportation under Schedule 146 is to be decreased by
0.000¢per therm.
WEIGHTED AVERAGE GAS COST:
The above rate changes are based on the following weighted average cost of gas
per therm as of the effective date shown below:
Demand Commodity Total
Schedules 101 10.558¢16.371¢26.929¢
Schedules 111 and 112 10.558¢16.371¢26.929¢
Schedules 131 and 132 0.000¢16.371¢16.371¢The above amourits include a gross revenue factor.
Demand Commodity Total
Schedules 101 10.497¢16.276¢26.773¢
Schedules 111 and 112 10.497¢16.276¢26.773¢
Schedules 131 and 132 0.000¢16.276¢16.276¢The above amounts do not include a gross revenue factor.
BALANCINGACCOUNT:
The Company will maintain a Purchase Gas Adjustment (PGA)Balancing Account
whereby monthly entries into this Balancing Account will be made to reflect differences
between the actual purchased gas costs collected from customers and the actual
purchased gas costs incurred by the Company.Those differences are then collected from
or refunded to customers under Schedule 155 -Gas Rate Adjustment.
Issued December22,2017 Effective January26,2018
Issued by Avista Utilities
By Patrick Ehrbar-Directorof Rates
IDAHO PUBLIC UTILITIES COMMISSION
Approved Effective
Jan. 25, 2018 Jan. 26, 2018
Per O.N. 33975
Diane M. Hanian Secretary