20171129Amended Application.pdf

ROCKY MOUNTAIN
Bgly,E^n"",
RECEIVED
20lI HOY 29 At{ t0: 07
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1407 West North Temple, Suite 310
Salt Lake City, Utah 84116
DriiiU iri.JgLlC
ITIES COMMISSIONNovember 29,2017
VIA OVERNIGHT DELIVERY
Diane Hanian
Commission Secretary
Idaho Public Utilities Commission
472W. Washington
Boise, lD 83702
Re:CASE NO. PAC-E-I7-I3
IN THE MATTER OF ROCKY MOUNTAIN POWER'S APPLICATION TO
UPDATE THE LOAD AND GAS FORECASTS USED IN THE INTEGRATED
RESOURCE PLAI\ AVOIDED COST MODEL
Dear Ms. Hanian:
Please find enclosed an original and seven (7) copies of Rocky Mountain Power's erratato Table
2 onpage 5 of the Application filed in the above referenced matter, along with an updated
Attachment A containingthe 2017 load forecast, gas forecast and long-term contract
information.
The listing of the gas hub indexes in Table 2 was incorrectly labeled, Rocky Mountain Power is
filing this errata to correct the gas hub indexes.
Informal inquiries may be directed to Ted Weston, Idaho Regulatory Manager at (801) 220-
2963.
Very truly yours,
Jeffrey K. Larsen
Vice President, Regulation
TABLE 2 (Errata)
Rocky Mountain Power
Natural Gas Price Update ($/lVIMBtu)
OfEcal Fonvard Price Currye - (f 709) -09129/2017
Henry Hub
Year
2ol7(a)
2018
2019
2020
2021
2022
2U23
2V24
2025
2026
247
2U28
2029
2030
2031
2032
2033
2034
2035
2036
Opal Gas Index
$2.79
$2.63
$2.47
$2.43
$2.4s
$2.47
$2.60
$3.28
$3.84
$3.84
$3.98
$4. 16
$4.4s
y.74
y.99
$5. l5
$s.38
$5.60
$5.79
$6.14
Sumas Index
$2.v2
$2.'00
$2.19
$2.18
y2.22
f2.29
$2.4
$3.05
$3.s8
$3.63
$3.83
$4.05
$4.44
y.7s
$4.99
$5.1 1
$5.36
$s.56
$5.71
$6.04
AECO lndex
$1.93
$1.84
$1.81
$1.86
$1.91
$1.94
$2.06
$2.70
$3.22
$3.26
$3.,16
$3.67
94.u2
$4.30
$4.53
$4.6s
$4.90
$5.1 1
$5.28
$5.61
SOCALBOR
lndex
$2.91
$2.78
$2.63
$2.@
s2.63
s2.6
$2.78
$3.45
$4.01
$4.04
$4.19
$4.39
$4.68
s4.97
$5.21
$5.38
$5.63
$5.83
$6.03
$6.39
Stanfield Index San Jaun Index
$2.ss $2.68
$2.43 $2.s8
$2.32 $2.43
$2.32 $2.41
$2.34 $2.43
$2.36 $2.49
$2.50 S2.e
$3.22 $3.32
$3.8r $3.89
$3.80 $3.90
$3.94 $4.05
$4.11 v.24
s4.40 $4.51
$4.68 $4.78
$4.93 $s.01
$5.09 $5.16
$s.32 $s.40
$s.55 $s.63
$5.73 $5.81
$6.07 $6.16
lndex
$3.09
$3.05
$2.89
$2.84
$2.83
$2.8s
$2.97
$3.60
y.12
Y.14
y.27
v.46
Y.77
$5.06
$5.30
$5.45
$5.72
$5.99
$6.20
$6.58
Offical Forward Price Curve (1610) - 10/12/2016
Year
2ol7(a)
2018
2019
2AO
2A2t
2422
2U23
2U24
2V25
2U26
2U27
2U28
2029
2030
2031
2032
2033
2034
2035
2036
Opal Gas Index
s3.2s
s2.84
$2.71
$2.7s
$2.90
$3.09
$3.57
$4.04
94.20
y.29
v.52
v.e
$4.78
$5.06
$s.20
$5.35
$5.53
$5.68
$s.83
$6.05
Sunras Index
$3.38
$2.A
$2.53
$2.62
$2.87
$2.%
$3.41
$3.88
V.u2
$4.08
$4.37
$4.58
v.73
$s.04
$5. l7
$s.32
$5.50
$s.68
$5.86
$6.08
AECO Index
$2.53
$2.22
$2.12
$2.14
$2.V1.
$2.44
$2.98
$3.50
$3.70
$3.77
$4.09
$4.31y.N
94.7s
$4.87
$5.09
$s.22
s5.25
s5.41
$s.60
Stanfield Index San Jaun Index
$3.26 $3.23
$2.85 $2.86
$2.70 $2.77
$2.77 $2.82
$2.88 U.99
$3.06 $3.17
$3.54 $3.62
$4.03 V.O194.20 s4.2s
$4.29 V36
$4.55 $4.60
$4.65 $4.73
$4.78 $4.85
$s.07 $s.08
$5.21 $5.20
$5.35 $5.32
$5.54 $5.,14
$5.69 $s.s7
$s.83 $s.72
$6.06 $5.96
Henry Hub SOCALBOR
lndex
$3.50
$3.02
$2.v2
$2.96
$3.14
$3.35
$3.84
y.32
$4.50y.a
$4.85
$4.94
$5.08
$5.33
$s.47
$5.63
$5.78
$5.93
$6.06
$6.29
Irrdex
$3.34
$3.04
$2.91
s2.v2
$3.03
$3.21
$3.71
y.20
$4.38
$4.49
V.72
$4.84
$4.95
$5.21
$5.34
$5.,16
$5.59
$5.72
$5.85
$6.09
h) 2Ol7 Forecast sas Drices are for November and December onV
Page 5
ATTACHMENT A
Rocky Mountain Power
Natural Gas Price Update ($/MMBtu)
(Errata)
Oflical Forward Price Curve - (1709) - 09129/2017
Year
2017(a)
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
203r
2032
2033
2034
2035
2036
Stanfield Index
$2.55
s2.43
$2.32
$2.32
$2.34
$2.36
$2.50
s3.22
$3.81
$3.80
$3.94
$4.1 1
$4.40
$4.68
$4.93
$5.09
s5.32
$5.55
$s.73
$6.07
San Jaun Index
$2.68
$2.58
$2.43
$2.41
$2.43
$2.49
$2.64
s3.32
$3.89
$3.90
$4.05
$4.24
$4.51
$4.78
$5.01
$5.1 6
$5.40
$5.63
$5.81
$6.16
Henry Hub
Index
$3.09
$3.05
$2.89
$2.84
$2.83
$2.85
$2.97
$3.60
$4. l2
$4. r4
s4.27
$4.46
$4.',|7
$5.06
$5.30
$5.45
ss.72
$5.99
$6.20
$6.58
AECO Index
$r.93
$1.84
$1.81
$1.86
$r.9r
$1.94
$2.06
s2.70
$3.22
$3.26
s3.46
$3.67
$4.02
$4.30
$4.53
$4.65
$4.90
$5.1 1
$5.28
$5.61
SOCALBOR
Index
$2.91
$2.78
$2.63
$2.60
$2.63
$2.66
$2.78
$3.45
$4.01
$4.04
$4. l9
$4.39
$4.68
$4.97
$5.21
$5.38
$5.63
$5.83
$6.03
$6.39
Opal Gas Index
$2.79
$2.63
$2.47
$2.43
$2.4s
$2.47
$2.60
$3.28
$3.84
$3.84
$3.98
$4.1 6
$4.45
$4.74
$4.99
$5.15
$5.38
$5.60
$5.79
$6. l4
Sumas Index
$2.92
$2.40
$2.1 9
$2.1 8
$2.22
s2.29
s2.44
$3.05
$3.58
$3.63
s3.83
$4.05
$4.44
$4.75
$4.99
$5.1 1
$5.36
s5.56
$5.71
$6.04
Offical Forward Price Curve 6t - 10n2/2016
Year
2017(a)
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
Opal Gas Index
$3.25
$2.84
$2.71
s2.75
$2.90
$3.09
$3.57
$4.04
$4.20
$4.29
$4.52
$4.64
$4.78
$5.06
$5.20
$5.3s
$5.53
$5.68
$5.83
$6.05
Sumas Index
$3.38
s2.64
$2.53
$2.62
$2.87
s2.96
$3.41
$3.88
$4.02
$4.08
$4.37
$4.58
$4.73
$5.04
$5.1 7
$5.32
$5.50
$5.68
$5.86
$6.08
Stanfield Index
$3.26
$2.85
$2.70
$2.77
$2.88
$3.06
$3.54
$4.03
$4.20
s4.29
$4.55
$4.65
$4.78
s5.07
$5.21
$5.35
$5.54
$5.69
$5.83
$6.06
San Jaun Index
$3.23
$2.86
s2.77
$2.82
$2.99
$3.1 7
$3.62
$4.07
$4.25
$4.36
$4.60
s4.73
$4.85
s5.08
$s.20
$5.32
$5.44
$5.57
$s.72
$5.96
AECO Index
$2.53
s2.22
s2.12
$2.14
s2.24
s2.44
$2.98
$3.s0
$3.70
$3.77
$4.09
$4.31
$4.40
s4.75
s4.87
$5.09
s5.22
$5.25
$s.41
$s.60
Index
$3.34
$3.04
$2.9r
s2.92
$3.03
$3.2 r
$3.71
s4.20
$4.38
$4.49
$4.72
$4.84
$4.95
$5.21
$5.34
$5.46
$5.59
s5.72
$5.85
$6.09
Index
$3.50
$3.02
$2.92
$2.96
$3. l4
$3.35
s3.84
$4.32
$4.50
$4.62
$4.85
$4.94
$5.08
$5.33
$5.47
$5.63
$5.78
$5.93
$6.06
$6.29
(a) 2017 Forecast gas prices are for November and December only