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HomeMy WebLinkAbout20170705Larsen Exhibit 13.pdfCase No.PAC-E-17-06 Exhibit No.13 Witness:Jeffrey K.Larsen BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION ROCKY MOUNTAIN POWER Exhibit Accompanying Direct Testimony of Jeffrey K.Larsen June 2017 O O O Pa c i ñ C o r p Id a h o Pa g e 1 of 5 Win d Re p o w e r i n g - Ex a m p l e Mo n t h l y RT M De f e r r a l Ca l c u l a t i o n Re v e n u e Re q u i r e m e n t $- T h o u s a n d s 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 20 1 9 Lin e No Re f e r e n c e Ja n u a r y Fe b r u a r y Ma r c h Ap r i l Ma y Ju n e Ju l y Au g u s t Se p t e m b e r Oc t o b e r No v e m b e r De c e m b e r To t a l Co m p a n y Pla n t Re v e n u e Re q u i r e m e n t 1 Ca p i t a t in v e s t m e n t - 15 4 , 2 1 2 15 4 , 2 1 2 15 4 , 2 1 2 61 1 , 3 6 1 98 4 , 8 0 7 98 4 , 8 0 7 2 De p r e c i a t i o n Re s e r v e - (4 2 8 ) (8 5 7 ) (1 , 2 8 5 ) (2 , 9 8 3 ) (5 , 7 1 9 ) (8 , 4 5 4 ) 3 Ac c u m u l a t e d DIT Ba l a n c e - (8 0 , 6 1 9 ) (8 0 , 6 1 9 ) (1 2 0 , 9 2 9 ) (1 2 0 , 9 2 9 ) (1 2 0 , 9 2 9 ) {1 6 1 , 2 3 9 ) 4 Ne t Ra t e Ba s e su m of lin e s 1-3 - 73 , 1 6 4 72 , 7 3 6 31 , 9 9 8 48 7 , 4 4 8 85 8 , 1 5 9 81 5 , 1 1 4 5 Pre - T a x R a t e o f R e t u m lin e 3 7 10 . 6 8 1 % 10 . 6 8 1 % 10 , 6 8 1 % 10 6 8 1 % 10 . 6 8 1 % 10 , 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 , 6 8 1 % 10 . 6 8 1 % 6 Pr e - T a x Re t u m on Ra t e Ba s e Fo o t n o t e 1 - 65 1 64 7 28 5 4,3 3 9 7§ 3 8 7 Wh o l e s a l e Wh e e l i n g Re v e n u e Fo o t n o t e 2 8 Op e r a t i o n & Ma i n t e n a n c e 26 26 26 11 9 19 3 19 3 9 De p r e c i a t i o n Fo o t n o t e 5 42 8 42 8 42 8 1,6 9 8 2,7 3 6 2,7 3 6 10 Pro p e r t y Ta x e s Pr i o r De c e m b e r (li n e 1 + lin e 2) x lin e 38 11 Win d Ta x - 3 3 3 12 20 20 12 To t a l Pla n t Re v e n u e Re q u i r e m e n t su m of lin e s 6-1 1 - 45 7 1,1 0 8 1,1 0 4 2,1 1 4 7,2 8 8 10 , 5 8 7 Ne t Po w e r Co s t 13 NP C In c r e m e n t a l Sa v i n g s Se e Ex h i b i t 14 - (2 2 ) (2 2 ) (2 2 ) (1 0 3 ) (1 6 7 ) (1 6 7 ) PT C Be n e f i t 14 PT C Be n e l i t (7 6 9 ) (7 6 9 ) (7 6 9 ) (3 , 5 5 8 ) (5 , 7 7 0 ) (5 , 7 7 0 ) 15 PT C Be n e f i t i n Ba s e Ra t e s 16 Ne t PT C su m of lin e s 14 an d 15 (7 6 9 ) (7 6 9 ) (7 6 9 ) (3 , 5 5 8 ) (5 , 7 7 0 ) (5 , 7 7 0 ) 17 Gro s s - up fo r ta x e s lin e 16 * (Iî n e 35 - 1) (4 7 0 ) (4 7 0 ) (4 7 0 ) (2 , 1 7 6 ) (3 , 5 2 9 ) (3 , 5 2 9 ) 18 PT C Re v e n u e Re q u i r e m e n t su m of lin e 16 an d 17 (1 , 2 3 9 ) (1 , 2 3 9 ) (1 , 2 3 9 ) (5 , 7 3 4 ) (9 , 2 9 9 ) (9 , 2 9 9 ) 19 Re v . Re q u i r e m e n t su m of lin e s 12 , 13 an d 18 (8 0 5 ) (1 5 4 ) {1 5 8 ) (3 , 7 2 3 ) (2 , 1 7 9 ) 1,1 2 1 Ad j u s t m e n t fo r EC A M Pa s s - t h r o u g h 20 FT C Re v e n u e Re q u i r e m e n t lin e 18 (1 , 2 3 9 ) (1 , 2 3 9 ) (1 , 2 3 9 ) (5 , 7 3 4 ) (9 , 2 9 9 ) (9 , 2 9 9 ) 21 P e r c e n t a g e i n c l u d e d i n E C A M ( 1 0 0 % ) ID E C A M S h a r i n g % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 22 Ne t PT C Aft e r Pa s s - t h r o u g h tin e 20 * lin e 21 - - - - - (1 , 2 3 9 ) (1 , 2 3 9 ) (1 , 2 3 9 ) (5 , 7 3 4 ) (9 , 2 9 9 ) (9 , 2 9 9 ) 23 N P C i n c r e m e n t a l S a v i n g s lin e 1 3 - - - - - - (2 2 ) ( 2 2 ) ( 2 2 ) ( 1 0 3 ) ( 1 6 7 ) ( 1 6 7 ) 24 Pe r c e n t a g e in c l u d e d in EC A M (9 0 % ) ID EC A M Sh a r i n g % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 25 EC A M Pa s s - t h r o u g h lin e 23 * lî n e 24 - - - (2 0 ) (2 0 ) (2 0 ) (9 3 ) (1 5 1 ) (1 5 1 ) 26 Re v . Re q t aft e r EC A M Pa s s - t h r o u g h lin e 19 - lin e 22 - fin e 25 45 5 1.1 0 6 1.1 0 2 2,1 0 4 7,2 7 1 10 , 5 7 0 id a h o All o c a t e d 27 To t a l De f e r r a l -ID Sh a r e Fo o t n o t e 4 27 66 66 12 7 43 7 63 6 28 Ne t Cu s t o m e r Be n e f i t (li n e 22 + lin e 25 ) * lin e 39 + lin e 27 (4 8 ) (9 ) (9 ) (2 2 4 ) (1 3 1 ) 67 De f e r r a l Ba l a n c e -ID Sh a r e 29 Be g i n n i n g De f e r r a l Ba l a n c e lin e 33 of pre v i o u s mo n t h - 27 94 16 0 28 7 72 5 30 Mo n t h l y De f e r r a l lin e 27 27 66 66 12 7 43 7 63 6 31 De f e r r a l Co l l e c t i o n Fo o t n o t e 3 - 32 Ca r r y i n g Ch a r g e (In 29 + .5 * (in 30 - In 31 ) ) * In 36 0 0 0 0 0 1 33 En d i n g De f e r r a l Ba l a n c e su m of lin e s 29 - 3 2 27 94 16 0 28 7 72 5 1,3 6 1 34 Fe d e r a l / S t a t e Co m b i n e d Ta x Ra t e Ex h i b i t 14 , lin e 5 37 . 9 5 1 % 35 Ne t to Gro s s Bu m p up Fa c t o r = (1 / ( 1 - t a x ra t e ) ) Ex h i b i t 14 , lin e 6 1. 6 1 1 6 36 De f e r r e d Ba l a n c e Ca r r y i n g Ch a r g e Ex h i b i t 12 lin e 35 1. 0 0 % 37 Pr e t a x Re t u m Ex h i b i t 14 , lin e 4 10 , 6 8 1 ¾ 38 Pr o p e r t y Ta x Ra t e Ex h i b i t 14 , lin e 14 0,7 8 % 39 id a h o SG Fa c t o r Ex h î b i t 14 , lin e 15 6.0 1 3 6 % 40 Id a h o GP S Fa c t o r Ex h i b i t 14 , lin e 16 5.7 9 7 8 % Fo o t n o t e s : 1) Pr e - t a x Re t u m , lin e 6, is ca l c u l a t e d as th e ra t e of re t u m (li n e 5) mu l t i p l i e d by th e en d i n g ne t ra t e ba s e of th e pr i o r mo n t h (li n e 4) div i d e d by 12 2) No t Ap p l i c a b l e fo r Re p o w e r i n g 3) Fo r ill u s t r a t i v e pu r p o s e s , co l l e c t i o n of De c e m b e r s ba l a n c e is as s u m e d to be co l l e c t e d be g i n n i n g th e fo l l o w i n g Ju n e 1 4) Th e Co m p a n y is pr o p o s i n g to ca p th e RT M un t i l th e ne x t ge n e r a l ra t e ca s e so th a t , af t e r ta k i n g in t o ac c o u n t th e O Ø> 05 win d re p o w e r i n g be n e f i t s th a t wil l flo w th r o u g h th e Co m p a n y s EC A M , it wil l no t op e r a t e to su r c h a r g e cu s t o m e r s 5) As sta t e d in te s t i m o n y , ac t u a l de p r e c i a t i o n ex p e n s e win be ad j u s t e d by th e im p a c t of th e re t i r e d as s e t s un t i l th e ne x t de p r e c i a t i o n stu d y O O O Pa c i ñ C o r p Id a h o Pa g e 2 of 5 Win d Re p o w e r i n g - Ex a m p l e Mo n t h l y RT M De f e r r a l Ca l c u l a t i o n Re v e n u e Re q u i r e m e n t S- T h o u s a n d s 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 20 2 0 Lin e No Re f e r e n c e Ja n u a r y Fe b r u a r y Ma r c h Ap r i l Ma y Ju n e Ju l y Au g u s t Se p t e m b e r Oc t o b e r No v e m b e r De c e m b e r To t a l Co m p a n y Pla n t Re v e n u e Re q u i r e m e n t 1 Ca p i t a l In v e s t m e n t 98 4 , 8 0 7 98 4 , 8 0 7 98 4 , 8 0 7 98 4 . 8 0 7 98 4 , 8 0 7 98 4 , 8 0 7 98 7 , 9 5 7 98 7 , 9 5 7 98 7 , 9 5 7 98 7 , 9 5 7 98 7 , 9 5 7 1,1 3 1 , 1 5 2 2 De p r e c i a t i o n Re s e r v e (1 1 , 1 9 0 ) (1 3 , 9 2 6 ) (1 6 . 6 6 1 ) (1 9 , 3 9 7 ) (2 2 , 1 3 2 ) (2 4 , 8 6 8 ) (2 7 , 6 1 3 ) (3 0 , 3 5 7 ) (3 3 , 1 0 2 ) (3 5 , 8 4 6 ) (3 8 , 5 9 1 ) (4 1 , 7 3 3 ) 3 Ac c u m u l a t e d DIT Ba l a n c e (1 6 1 , 2 3 9 ) (1 6 1 , 2 3 9 ) (1 8 1 , 7 8 8 ) (1 8 1 . 7 8 8 ) (1 8 1 , 7 8 8 ) (2 0 2 , 3 3 7 ) (2 0 2 , 3 3 7 ) (2 0 2 , 3 3 7 ) (2 2 2 , 8 8 6 ) (2 2 2 , 8 8 6 ) (2 2 2 , 8 8 6 ) (2 4 3 , 4 3 6 ) 4 Ne t Ra t e Ba s e su m of lin e s 1-3 81 2 , 3 7 8 80 9 , 6 4 3 78 6 , 3 5 8 78 3 , 6 2 2 78 0 , 8 8 7 75 7 , 6 0 2 75 8 , 0 0 7 75 5 , 2 6 3 73 1 , 9 6 9 72 9 , 2 2 4 72 6 , 4 8 0 84 5 , 9 8 3 5 Pr e - T a x R a t e o f R e t u m lin e 3 7 10 . 6 8 1 % 10 . & B 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 , 6 8 1 % 10 6 8 1 % 10 . 6 8 1 % 10 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 6P r e - T a x R e t u m o n R a t e B a s e Fo o t n o t e l 7,2 5 5 7, 2 3 1 7,2 0 7 6,9 9 9 6,9 7 5 69 5 1 6,7 4 3 6,7 4 7 6,7 2 3 6,5 1 5 6, 4 9 1 6,4 6 6 7 Wh o l e s a l e Wh e e l i n g Re v e n u e Fo o t n o t e 2 8 Op e r a t i o n & Ma i n t e n a n c e 36 1 36 1 36 1 36 1 36 1 361 36 1 361 36 1 36 1 36 1 40 6 9 De p r e c i a t i o n Fo o t n o t e 5 2,7 3 6 2,7 3 6 2,7 3 6 2,7 3 6 2,7 3 6 2,7 3 6 2,7 4 5 2.7 4 5 2,7 4 5 2,7 4 5 2, 7 4 5 3, 1 4 2 10 Pro p e t t y Ta x e s Pri o r De c e m b e r (li n e 1 + lin e 2) x lîn e 38 63 1 63 1 63 1 63 1 63 1 63 1 63 1 631 63 1 63 1 63 1 63 1 11 Vd n d T a x 17 17 17 17 17 17 17 17 17 17 17 19 12 T o t a l P l a n t R e v e n u e R e q u i r e m e n t su m o f l i n e s 6 - 1 1 11 , 0 0 0 10 , 9 7 5 10 , 9 5 1 10 , 7 4 4 10 , 7 1 9 10 , 6 9 5 10 , 4 9 7 10 , 5 0 0 10 , 4 7 6 10 , 2 6 9 10 , 2 4 4 10 , 6 6 5 No t Po w e r Co s t 13 N P C i n c r e m e n t a l S a v i n g s Se e E x h i b i t 1 4 (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) {8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (9 0 0 ) PT C Be n e f i t 14 PT C Be n e f i t (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) {5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 . 6 9 5 ) (6 , 4 0 5 ) 15 PT C Be n e l i t in Ba s e Ra t e s 16 Ne t PT C su m of lin e s 14 an d 15 (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 69 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 , 6 9 5 ) (5 69 5 ) (5 , 6 9 5 ) (6 , 4 0 5 ) 17 G r o s s - u p f o r t a x e s lin e 1 6 ' ( t i n e 3 5 - 1 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) {3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 4 8 3 ) (3 , 9 1 8 ) 18 P T C R e v e n u e R e q u i r e m e n t su m o f l i n e 1 6 a n d 1 7 (9 . 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 . 1 7 8 ) (9 , 1 7 8 ) (9 . 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) {9 , 1 7 8 ) ( 1 0 , 3 2 3 ) 19 R e v . R e q u i r e m e n t su m o f f i n e s 1 2 , 1 3 a n d 1 8 1, 0 2 1 99 7 97 3 76 6 74 1 71 7 51 9 52 2 49 8 29 0 26 6 ( 5 5 9 ) Ad j u s t m e n t fo r EC A M Pa s s - t h r o u g h 20 PT C Re v e n u e Re q u i r e m e n t fin e 18 (9 , 1 7 8 ) (9 , 1 7 6 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 6 ) (9 , 1 7 8 ) (9 . 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (1 0 , 3 2 3 ) 21 P e r c e n t a g e i n c l u d e d i n E C A M ( 1 0 0 % ) ID E C A M S h a r i n g % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 22 N e t P T C A l t e r P a s s - t h r o u g h lin e 2 0 ' l i n e 2 1 (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) (9 , 1 7 8 ) ( 1 0 , 3 2 3 ) 23 NP C In c r e m e n t a l Sa v i n g s lin e 13 (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (8 0 0 ) (9 0 0 ) 24 Pe r c e n t a g e in c l u d e d in EC A M (9 0 % ) ID EC A M Sh a r i n g % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 25 E C A M P a s s - t h r o u g h lin e 2 3 ' f i n e 2 4 (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (7 2 0 ) (8 1 0 ) 26 R e v . R e q t a f t e r E C A M P a s s - t h r o u g h lin e 1 9 - l i n e 2 2 - l i n e 2 5 10 , 9 2 0 10 , 8 9 5 10 , 8 7 1 10 , 6 6 4 10 , 6 3 9 10 , 6 1 5 10 , 4 1 7 10 , 4 2 0 10 , 3 9 6 10 , 1 8 9 10 . 1 6 4 10 , 5 7 5 Id a h o All o c a t e d 27 T o t a l D e f e r r a l - I D S h a r e Fo o t n o t e 4 59 5 59 5 59 5 59 5 59 5 59 5 59 5 59 5 59 5 59 5 59 5 67 0 28 Ne t Cu s t o m e r Be n e f i t (lin e 22 + lin e 25 ) *lin e 39 + lin e 27 De f e r r a l Ba l a n c e - ID Sh a r e 29 B e g i n n i n g D e f e r r a l B a l a n c e li n e 3 3 o f p r e v i o u s m o n t h 1, 3 6 1 1. 9 5 8 2,5 5 5 3,1 5 3 3,7 5 1 4,3 4 9 4,8 3 5 5,3 2 1 5,8 0 8 6,2 9 5 67 8 2 7,2 7 0 30 Mo n t h l y De f e r r a f tin e 27 59 5 59 5 59 5 59 5 59 5 SS S 59 5 59 5 59 5 59 5 59 5 67 0 31 De f e r r a l C o l l e c t i o n Fo o t n o t e 3 - - - - - (1 1 3 ) (1 1 3 ) (1 1 3 ) (1 1 3 ) (1 1 3 ) (1 1 3 ) (1 1 3 ) 32 Ca r r y i n g Ch a r g e (In 29 + .5 * (in 30 - In 31 ) ) *ln 36 1 2 2 3 3 4 4 5 5 6 6 6 33 En d i n g De f e r r a l Ba l a n c e su m of lin e s 29 - 3 2 1,9 5 8 2,5 5 5 3,1 5 3 3,7 5 1 4,3 4 9 4,8 3 5 5,3 2 1 5,8 0 8 6,2 9 5 6,7 8 2 7,2 7 0 7, 8 3 2 34 Fe d e r a l / S t a t e Co m b i n e d Ta x Ra t e Ex h i b i t 14 , lin e 5 35 Ne t to Gro s s Bu m p up Fa c t o r = (1 / ( 1 ta x ra t e ) ) Ex h i b i t 14 , tin e 6 36 De f e r r e d Ba l a n c e Ca r r y i n g Ch a r g e Ex h i b i t 12 lin e 35 37 Pr e t a x Re t u m Ex h i b i t 14 , lin e 4 38 Pr o p e r t y Ta x Ra t e Ex h i b i t 14, lin e 14 39 Id a h o SG Fa c t o r Ex h i b i t 14 , fin e 15 40 Id a h o GP S Fa c t o r Ex h i b i t 14 , lin e 16 2 ©Ø i m O O O Pa c i f i C o r p Id a h o Pa g e 3 of 5 Win d Re p o w e r i n g - Ex a m p l e Mo n t h l y RT M De f e r r a l Ca l c u l a t i o n Re v e n u e Re q u i r e m e n t $- T h o u s a n d s 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 20 2 1 Lin e No . Re f e r e n c e Ja n u a r y Fe b r u a r y Ma r c h Ap r i l Ma y Ju n e Ju l y Au g u s t Se p t e m b e r Oc t o b e r No v e m b e r De c e m b e r To t a l Co m p a n y Pla n t Re v e n u e Re q u i r e m e n t 1 Ca p i t a l i n v e s t m e n t 1,1 3 1 , 1 5 2 1,1 3 1 , 1 5 2 1, 1 3 1 , 1 5 2 1,1 3 1 , 1 5 2 1,1 3 1 , 1 5 2 1,1 3 1 , 1 5 2 1,1 3 5 , 0 3 4 11 3 5 0 3 4 1, 1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 11 3 5 , 0 3 4 2 De p r e c i a t i o n Re s e r v e (4 4 , 8 7 6 ) (4 8 , 0 1 8 ) (5 1 , 1 6 1 ) (5 4 , 3 0 3 ) (5 7 , 4 4 5 ) (6 0 , 5 8 8 ) (6 3 , 7 4 2 ) (6 6 , 8 9 6 ) (7 0 , 0 5 0 ) (7 3 , 2 0 3 ) (7 6 , 3 5 7 ) (7 9 , 5 1 1 ) 3 Ac c u m u l a t e d DIT Ba l a n c e (2 4 3 , 4 3 6 ) (2 4 3 , 4 3 6 ) (2 5 6 , 9 2 6 ) (2 5 6 , 9 2 6 ) (2 5 6 , 9 2 6 ) (2 7 0 , 4 1 6 ) (2 7 0 , 4 1 6 ) (2 7 0 , 4 1 6 ) (2 8 3 , 9 0 7 ) (2 8 3 , 9 0 7 ) (2 8 3 , 9 0 7 ) (2 9 7 . 3 9 7 ) 4 Ne t R a t e B a s e su m o f f i n e s 1 - 3 84 2 , 8 4 0 83 9 , 6 9 8 82 3 , 0 6 5 81 9 , 9 2 3 81 6 , 7 8 0 80 0 , 1 4 8 80 0 , 8 7 6 79 7 , 7 2 2 78 1 , 0 7 8 77 7 , 9 2 4 77 4 , 7 7 0 75 8 , 1 2 6 6 te r o tne Ba s e o tn o t e t 10 Jo 10 % 10 e 10 ¾ /e 10 ¾ le TO R le 10 ¾ o 10 ¾ le 10 ¾ /e 10 /e 10 ¾ le 10 ¾ /a 7 Wh o l e s a l e Wh e e l i n g Re v e n u e Fo o t n o t e 2 8 Op e r a t i o n & Ma i n t e n a n c e 32 2 32 2 32 2 32 2 32 2 32 2 32 2 32 2 32 2 32 2 32 2 32 2 9 De p r e c i a t i o n Fo o t n o t e 5 3,1 4 2 3.1 4 2 3,1 4 2 3,1 4 2 3,1 4 2 3,1 4 2 3,1 5 4 3,1 5 4 3,1 5 4 3,1 5 4 3,1 5 4 3,1 5 4 10 Pr o p e r t y Ta x e s Pri o r De c e m b e r (li n e 1 + lin e 2) x lin e 38 70 4 70 4 70 4 70 4 70 4 70 4 70 4 70 4 70 4 70 4 70 4 70 4 11 VW n d T a x 21 21 21 21 21 21 21 21 21 21 21 21 12 T o t a l P l a n t R e v e n u e R e q u i r e m e n t su m o f f i n e s 6 - 1 1 11 , 7 1 9 11 , 6 9 1 11 . 6 6 3 11 . 5 1 5 11 , 4 8 7 11 , 4 5 9 11 , 3 2 3 11 , 3 2 9 11 , 3 0 1 11 , 1 5 3 11 , 1 2 5 11 , 0 9 7 Ne t Po w e r Co s t 13 NP C In c r e m e n t a l Sa v i n g s Se e Ex h i b i t 14 (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) PT C Be n e f i t 14 PT C Be n e f t t (6 , 8 3 3 ) (6 . 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) 15 PT C Be n e l i t in Ba s e Ra t e s 16 Ne t PT C su m of lin e s 14 an d 15 (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) (6 , 8 3 3 ) 17 G r o s s - u p f o r t a x e s lin e 1 6 * ( l i n e 3 5 - 1 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 , 1 7 9 ) (4 . 1 7 9 ) (4 , 1 7 9 ) 18 P T C R e v e n u e R e q u i r e m e n t su m o f l i n e 1 6 a n d 1 7 (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) {1 1 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 ; 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 0 1 2 ) 19 Re v . Re q u i r e m e n t su m of lin e s 12 , 13 an d 18 (4 4 0 ) (4 6 8 ) (4 9 6 ) (6 4 4 ) (6 7 2 ) (7 0 0 ) (8 1 7 ) (8 3 0 ) (8 5 8 ) (1 , 0 0 7 ) (1 , 0 3 5 ) (1 , 0 6 3 ) Ad j u s t m e n t fo r EC A M Pa s s - t h r o u g h 20 PT C Re v e n u e Re q u i r e m e n t lin e 18 (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) 2tP e r c e n t a g e i n c l u d e d i n E C A M ( 1 0 0 % ) ID E C A M S h a r i n g % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 22 Ne t P T C A f t e r P a s s - t h r o u g h lin e 2 0 * t i n e 2 1 (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 . 0 1 2 ) (1 1 , 0 1 2 ) (1 1 . 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) (1 1 , 0 1 2 ) 23 N P C i n c r e m e n t a l S a v i n g s fin e 1 3 (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 , 1 4 7 ) (1 . , 1 4 7 ) {1 , 1 4 7 ) 24 P e r c e n t a g e i n c l u d e d i n E C A M ( 9 0 % ) ID E C A M S h a r i n g % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 25 E C A M P a s s - t h r o u g h lin e 2 3 * l i n e 2 4 (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 ) (1 , 0 3 3 } (1 , 0 3 3 ) 26 Re v . Re g t aft e r EC A M Pa s s - t h r o u g h lin e 19 - fin e 22 - lin e 25 11 , 6 0 4 11 , 5 7 6 11 , 5 4 8 11 , 4 0 0 11 , 3 7 2 11 , 3 4 4 11 , 2 0 8 11 , 2 1 4 11 , 1 8 6 11 , 0 3 8 11 , 0 1 0 10 , 9 8 2 Id a h o All o c a t e d 27 T o t a l D e f e r r a l - I D S h a r e Fo o t n o t e 4 69 6 69 5 69 3 68 4 68 2 68 1 67 2 67 3 67 1 66 2 66 1 65 9 28 Ne t Cu s t o m e r Be n e f i t (li n e 22 + lin e 25 ) * lin e 39 + lin e 27 (2 8 ) (3 0 ) (3 1 ) (4 0 ) (4 2 ) (4 4 ) (5 2 ) (5 1 ) (5 3 ) (6 2 ) (6 4 ) (6 5 ) De f e r r a l Ba l a n c e - ID Sh a r e 29 Be g i n n i n g De f e r r a l Ba l a n c e fin e 33 of pre v i o u s mo n t h 7,8 3 2 8,4 2 2 9,0 1 0 9,5 9 8 10 , 1 7 7 10 , 7 5 4 10 , 7 9 2 10 , 8 2 1 10 , 8 5 1 10 , 8 7 9 10 , 8 9 8 10 , 9 1 6 30 Mo n t h l y De f e r r a l lin e 27 69 6 69 5 69 3 68 4 68 2 68 1 67 2 67 3 67 1 66 2 66 1 65 9 31 De f e r r a l Co l l e c t i o n Fo o t n o t e 3 (1 1 3 ) (1 1 3 ) (1 1 3 ) (1 1 3 ) (1 1 3 ) (6 5 3 } (6 5 3 ) (6 5 3 ) (6 5 3 ) (6 5 3 ) (6 5 3 ) (6 5 3 ) 32 Ca r r y i n g Ch a r g e (In 29 + .5 * (In 30 -in 31 ) ) * In 36 7 7 8 8 9 10 10 10 10 10 10 10 33 E n d i n g D e f e r r a l B a l a n c e su m o f l i n e s 2 9 - 3 2 8, 4 2 2 9,0 1 0 9., 5 9 8 10 , 1 7 7 10 , 7 5 4 10 . 7 9 2 10 , 8 2 1 10 8 5 1 10 , 8 7 9 10 , 8 9 8 10 , 9 1 6 10 , 9 3 2 34 Fe d e r a l / S t a t e Co m b i n e d Ta x Ra t e Ex h i b i t 14 , lin e 5 35 Ne t to Gro s s Su m p up Fa c t o r = (1 1 ( 1 - t a x ra t e ) ) Ex h i b i t 14 , lin e 6 36 De f e r r e d Ba l a n c e Ca r r y i n g Ch a r g e Ex h i b i t 12 lin e 35 37 Pr e t a x Re t u m Ex h i b i t 14 , lin e 4 38 Pr o p e r t y Ta x Ra t e Ex h i b i t 14 , tin e 14 39 id a h o SG Fa c t o r Ex h i b i t 14 . lin e 15 40 id a h o GP S Fa c t o r Ex h i b i t 14 , lin e 16 2 0) Oi 9 O O O Pa c i f i C o r p Id a h o Pa g e 4 of 5 Win d Re p o w e r i n g - Ex a m p l e Mo n t h l y RT M De f e r r a t Ca l c u l a t i o n Re v e n u e Re q u i r e m e n t $-T h o u s a n d s 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 20 2 2 Lin e No Re f e r e n c e Ja n u a r y Fe b r u a r y Ma r c h Ap r i l Ma y Ju n e Ju l y Au g u s t Se p t e m b e r Oc t o b e r No v e m b e r De c e m b e r To t a l Co m p a n y Pla n t Re v e n u e Re q u i r e m e n t 1 Ca p i t a l i n v e s t m e n t 1,1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 1,1 3 5 , 0 3 4 1,1 4 0 , 4 4 4 1,1 4 0 , 4 4 4 1,1 4 0 , 4 4 4 1,1 4 0 , 4 4 4 1,1 4 0 , 4 4 4 1, 1 4 0 , 4 4 4 2 De p r e c i a t i o n Re s e r v e (8 2 , 6 6 5 ) (8 5 , 8 1 9 ) (8 8 , 9 7 3 ) (9 2 , 1 2 7 ) (9 5 , 2 8 1 ) (9 8 , 4 3 5 ) (1 0 1 , 6 0 5 ) (1 0 4 , 7 7 6 ) (1 0 7 , 9 4 6 ) (1 1 1 , 1 1 7 ) (1 1 4 , 2 8 7 ) (1 1 7 , 4 5 8 ) 3 Ac c u m u l a t e d DIT Ba l a n c e (2 9 7 , 3 9 7 ) (2 9 7 , 3 9 7 ) (3 0 4 , 2 1 8 ) (3 0 4 , 2 1 8 ) (3 0 4 , 2 1 8 ) (3 1 1 , 0 3 9 ) (3 1 1 , 0 3 9 ) (3 1 1 , 0 3 9 ) (3 1 7 , 8 6 0 ) (3 1 7 , 8 6 0 ) (3 1 7 , 8 6 0 ) (3 2 4 , 6 8 0 ) 4 Ne t Ra t e Ba s e su m of lin e s 1-3 75 4 , 9 7 2 75 1 , 8 1 8 74 1 , 8 4 3 73 8 . 6 8 9 73 5 , 5 3 5 72 5 , 5 6 0 72 7 , 8 0 1 72 4 , 6 3 0 71 4 , 6 3 9 71 1 , 4 6 8 70 8 , 2 9 8 69 8 , 3 0 6 5 Pr e - T a x R a t e o f R e t u m lin e 3 7 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 10 . 6 8 1 % 6 Pre - T a x Re t u r n on Ra t e Ba s e Fo o t n o t e 1 6,7 4 8 6,7 2 0 6,6 9 2 6,6 0 3 6. 5 7 5 6,5 4 7 6,4 5 8 6,4 7 8 6,4 5 0 6,3 6 1 6,3 3 3 6.3 0 5 7 Wh o l e s a l e Wh e e l i n g Re v e n u e Fo o t n o t e 2 8 Op e r a t i o n & Ma i n t e n a n c e 70 70 70 70 70 70 70 70 70 70 70 70 9 De p r e c i a t i o n Fo o t n o t e 5 3,1 5 4 3,1 5 4 3,1 5 4 3,1 5 4 3,1 5 4 3, 1 5 4 3,1 7 1 3,1 7 1 3.1 7 1 3,1 7 1 3,1 7 1 3,1 7 1 10 P r o p e r t y T a x e s Pri o r D e c e m b e r ( t i n e 1 + 1 i n e 2 ) x 1 i n e 3 8 68 2 68 2 68 2 68 2 68 2 68 2 68 2 68 2 68 2 68 2 68 2 68 2 11 Win d Ta x 21 21 21 21 21 21 21 21 21 21 21 21 12 T o t a l P l a n t R e v e n u e R e q u i r e m e n t su m o f l i n e s 6 - 1 1 10 , 6 7 5 10 , 6 4 7 10 , 6 1 9 10 , 5 3 0 10 , 5 0 2 10 , 4 7 4 10 , 4 0 2 10 , 4 2 2 10 , 3 9 3 10 , 3 0 5 10 , 2 7 6 10 , 2 4 8 Ne t Po w e r Co s t 13 NP C In c r e m e n t a l Sa v i n g s Se e Ex h i b i t 14 (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 . 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 . 5 1 1 ) PT C Be n e f i t 14 PT C Be n e f i t (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 . 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) 15 PT C Be n e f i t i n Ba s e Ra t e s 16 Ne t PT C su m of lin e s 14 an d 15 (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) (6 , 8 3 8 ) 17 G r o s s - u p f o r t a x e s lin e 1 6 ' ( l i n e 3 5 - 1 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) (4 , 1 8 2 ) 18 PT C Re v e n u e Re q u i r e m e n t su m of lin e 16 an d 17 (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) 19 R e v . R e q u i r e m e n t su m o f l i n e s 1 2 , 1 3 a n d 1 8 (1 , 8 5 6 ) (1 , 8 8 4 ) (1 , 9 1 2 ) (2 , 0 0 1 ) (2 , 0 2 9 ) (2 , 0 5 7 ) (2 , 1 2 9 ) (2 , 1 1 0 ) (2 , 1 3 8 ) (2 , 2 2 7 ) (2 , 2 5 5 ) (2 , 2 8 3 ) Ad j u s t m e n t fo r EC A M Pa s s - t h r o u g h 20 PT C Re v e n u e Re q u i r e m e n t lin e 18 (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) 21 P e r c e n t a g e i n c l u d e d i n E C A M ( 1 0 0 % ) ID E C A M S h a r i n g % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 10 0 % 22 N e t P T C A f t e r P a s s - t h r o u g h lin e 2 0 * I i n e 2 1 (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) (1 1 , 0 2 0 ) 23 N P C i n c r e m e n t a l S a v i n g s lin e 1 3 (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) (1 , 5 1 1 ) 24 P e r c e n t a g e i n c l u d e d i n E C A M ( 9 0 % ) ID E C A M S h a r i n g % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 90 % 25 E C A M P a s s - t h r o u g h lin e 2 3 * I i n e 2 4 (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) (1 , 3 6 0 ) 26 R e v . R e g t a f t e r E C A M P a s s - t h r o u g h lin e 1 9 - l i n e 2 2 - l i n e 2 5 10 , 5 2 4 10 , 4 9 6 10 , 4 6 8 10 , 3 7 9 10 , 3 5 1 10 , 3 2 3 10 , 2 5 1 10 , 2 7 1 10 , 2 4 2 10 , 1 5 3 10 , 1 2 5 10 , 0 9 7 Id a h o All o c a t e d 27 T o t a l D e f e r r a l - I D S h a r e Fo o t n o t e 4 63 1 63 0 62 8 62 3 62 1 61 9 61 5 61 6 61 4 60 9 60 7 60 6 28 Ne t Cu s t o m e r Be n e f i t (li n e 22 + fin e 25 ) * lin e 39 + lin e 27 (1 1 3 ) (1 1 5 ) (1 1 6 ) (1 2 2 ) (1 2 4 ) (1 2 5 ) (1 3 0 ) (1 2 8 ) (1 3 0 ) (1 3 5 ) (1 3 7 ) (1 3 9 ) De f e r r a l Ba l a n c e - ID Sh a r e 29 Be g i n n i n g De f e r r a l Ba l a n c e lin e 33 of pre v i o u s mo n t h 10 , 9 3 2 10 , 9 2 0 10 , 9 0 7 10 , 8 9 2 10 , 8 7 1 10 , 8 4 9 10 , 5 6 7 10 , 2 8 1 9,9 9 5 9, 7 0 8 9,4 1 4 9,1 1 9 30 Mo n t h l y De f e r r a l fin e 27 63 1 63 0 62 8 62 3 62 1 61 9 61 5 61 6 61 4 60 9 60 7 60 6 31 D e f e r r a l C o l l e c t i o n Fo o t n o t e 3 (6 5 3 ) (6 5 3 ) (6 5 3 ) (6 5 3 ) (6 5 3 ) (9 1 1 ) (9 1 1 ) (9 1 1 ) (9 1 1 ) (9 1 1 ) (9 1 1 ) (9 1 1 ) r* M 32 Ca r r y i n g Ch a r g e (In 29 + ,5 * (in 30 - In 31 ) ) * In 36 10 10 10 10 10 10 9 9 9 9 8 8 33 En d i n g De f e r r a l Ba l a n c e su m of lin e s 29 - 3 2 10 , 9 2 0 10 , 9 0 7 10 , 8 9 2 10 , 8 7 1 10 , 8 4 9 10 , 5 6 7 10 , 2 8 1 9,9 9 5 9,7 0 8 9, 4 1 4 9,1 1 9 8,8 2 2 34 Fe d e r a t / S t a t e Co m b i n e d Ta x Ra t e Ex h i b i t 14 , lin e 5 35 Ne t to Gro s s Bu m p up Fa c t o r = (1 / ( 1 - t a x ra t e ) ) Ex h i b i t 14 , lin e 6 36 De f e r r e d Ba l a n c e Ca r r y i n g Ch a r g e Ex h i b i t 12 lin e 35 37 Pr e t a x Re t u r n Ex h i b i t 14 , lin e 4 38 Pr o p e r t y Ta x Ra t e Ex h i b i t 14 , lin e 14 39 Id a h o SG Fa c t o r Ex h i b i t 14 , lin e 15 40 id a h o GP S Fa c t o r Ex h i b i t 14 , lin e 16 cm e O O O Pa c i f l C o r p Id a h o Pa g e 5 of 5 Win d Re p o w e r i n g - Ex a m p l e Mo n t h l y RT M De f e r r a l Ca l c u l a t i o n Re v e n u e Re q u i r e m e n t To t a l Pla n t Re v e n u e Re q u i r e m e n t (L i n e s 1- 1 2 , 37 ) : Ex h i b i t 13 sh o w s th e ca l c u l a t i o n of th e RT M re v e n u e re q u i r e m e n t de f e r r a l de s c r i b e d in my te s t i m o n y . Th e ca l c u l a t i o n st a r t s wi t h to t a l Co m p a n y am o u n t s on li n e s 1- 2 6 to ca l c u l a t e th e Id a h o sp e c i f i c am o u n t s on lin e s 27 - 3 3 . To ca l c u l a t e th e re t u r n on ra t e ba s e as s o c i a t e d wi t h th e win d re p o w e r i n g in v e s t m e n t , ne t ra t e ba s e as s o c i a t e d wi t h th e re p o w e r e d win d re s o u r c e s is ca l c u l a t e d on a mo n t h l y ba s i s . Th e ne t ra t e ba s e ba l a n c e on li n e 4 in c l u d e s th e in v e s t m e n t in re p o w e r e d win d re s o u r c e s , al o n g wit h th e as s o c i a t e d im p a c t s on th e de p r e c i a t i o n re s e r v e an d ac c u m u l a t e d DI T Ba l a n c e . Th e mo n t h l y be g i n n i n g ne t ra t e ba s e (t h e fin a l am o u n t fr o m th e pr i o r mo n t h ) is th e n mu l t i p l i e d by th e pr e - t a x We i g h t e d Av e r a g e Co s t of Ca p i t a l (" W A C C " ) fr o m th e la s t id a h o ge n e r a l ra t e ca s e on li n e 5 to de t e r m i n e th e Co m p a n y ' s pr e - t a x re t u r n on ra t e ba s e on li n e 6. Th e ex a m p l e us e s th e pr e - t a x WA C C fr o m Ca s e No . PA C - E - 1 5 - 0 9 Th e to t a l pla n t re v e n u e re q u i r e m e n t is ca l c u l a t e d by ta k i n g th e re t u r n on ra t e ba s e sh o w n on li n e 6 an d ad d i n g th e O& M ex p e n s e , de p r e c i a t i o n ex p e n s e , pr o p e r t y ta x e s an d win d ta x on lin e s 8- 1 1 to de t e r m i n e th e to t a l pl a n t re v e n u e re q u i r e m e n t on lin e 12 . Wh o l e s a l e wh e e l i n g re v e n u e on li n e 7 is no t us e d fo r win d re p o w e r i n g , bu t is ne e d e d fo r a si m i l a r ca l c u l a t i o n fo r th e Ga t e w a y tr a n s m i s s i o n an d wi n d ex p a n s i o n pr o j e c t . Ne t Po w e r Co s t s (L i n e 13 ) : Th e to t a l - c o m p a n y in c r e m e n t a l NP C sa v i n g s as s o c i a t e d wit h re p o w e r e d wi n d re s o u r c e s is sh o w n on li n e 13 . Th e in c r e m e n t a l NP C sa v i n g s as s o c i a t e d wi t h th e re p o w e r e d win d pr o j e c t s ar e mu l t i p l i e d by nin e t y pe r c e n t on lin e 24 to de t e r m i n e th e am o u n t of th e NP C sa v i n g s th a t wil l be re t u r n e d to cu s t o m e r s th r o u g h th e sh a r i n g ba n d of th e EC A M . Th e RT M is de s i g n e d to pr o v i d e th e re m a i n i n g te n pe r c e n t of th e NP C sa v i n g s in ye a r s th a t th e re v e n u e re q u i r e m e n t be n e f i t s ar e su f f i c i e n t to co v e r th a t am o u n t . Wit h o u t th i s ad j u s t m e n t , cu s t o m e r s wo u l d no t ge t 10 0 pe r c e n t of th e NP C as s o c i a t e d wit h re p o w e r i n g . Th e ca l c u l a t i o n of NP C sa v i n g s is de s c r i b e d in Ex h i b i t 14 . PT C Be n e f i t s (L i n e s 14 - 2 0 , 34 , 35 ) : Li n e s 14 - 1 8 sh o w th e ca l c u l a t i o n of th e PT C be n e f i t s as s o c i a t e d wi t h th e re p o w e r e d wi n d re s o u r c e s . Th e ac t u a l PT C sa l e s ar e gr o s s e d - u p fo r ta x e s us i n g th e ne t - t o - g r o s s bu m p - u p fa c t o r fr o m th e Co m p a n y ' s la s t ge n e r a l ra t e ca s e (s h o w n on lin e 35 ) to de r i v e th e PT C re v e n u e re q u i r e m e n t on li n e 18 . Th e ta x gr o s s - u p is ne c e s s a r y fo r cu s t o m e r s to ge t th e fu l l re v e n u e re q u i r e m e n t be n e f i t of th e PT C s an d is ca l c u l a t e d us i n g th e fe d e r a l an d st a t e co m b i n e d ta x ra t e sh o w n on lin e 34 wh i c h wa s als o in c l u d e d in th e la s t ge n e r a l ra t e ca s e . On e hu n d r e d pe r c e n t of Id a h o ' s sh a r e of th e PT C s ar e re t u r n e d to cu s t o m e r s th r o u g h th e EC A M . De f e r r a l Ba l a n c e (L i n e s 19 - 3 3 ) : Th e Id a h o sh a r e of th e ne t de f e r r a l be g i n s by ca l c u l a t i n g th e to t a l re p o w e r i n g pr o j e c t re v e n u e re q u i r e m e n t on lin e 19 , wh i c h is th e su m of To t a l Pla n t Re v e n u e Re q u i r e m e n t on lin e 12 , NP C In c r e m e n t a l Sa v i n g s on lin e 13 , an d PT C Re v e n u e Re q u i r e m e n t on lin e 18 . Th e On e hu n d r e a d pe r c e n t EC A M pa s s - t h r o u g h on lin e 22 an d ni n e t y pe r c e n t EC A M pa s s - t h r o u g h on li n e 25 ar e su b t r a c t e d to pr o v i d e th e Re v e n u e Re q u i r e m e n t af t e r EC A M pa s s - t h r o u g h on li n e 26 . Id a h o ' s sh a r e of th e To t a l De f e r r a l is de p e n d e n t up o n th e am o u n t of re v e n u e re q u i r e m e n t co s t or be n e f i t th a t is de t e r m i n e d in a pa r t i c u l a r ye a r . If th e Re v e n u e Re q u i r e m e n t af t e r EC A M pa s s - t h r o u g h fo r an y ye a r on li n e 26 is ne g a t i v e , wh i c h me a n s th a t th e re p o w e r i n g pr o j e c t pr o v i d e s a re v e n u e re q u i r e m e n t be n e f i t gr e a t e r th a n th e be n e f i t be i n g pa s s e d th r o u g h th e EC A M , th e n th a t ye a r ' s de f e r r a l is eq u a l to th e ad d i t i o n a l be n e f i t fo u n d on li n e 26 . If th e Re v e n u e Re q u i r e m e n t aft e r EC A M pa s s - t h r o u g h fo r an y ye a r on li n e 26 is po s i t i v e , th e Co m p a n y is pr o p o s i n g to ca p th e RT M un t i l th e ne x t ge n e r a l ra t e ca s e so th a t , af t e r ta k i n g in t o ac c o u n t th e wi n d re p o w e r i n g be n e f i t s th a t wi l l fl o w th r o u g h th e Co m p a n y ' s EC A M , it wi l l no t op e r a t e to su r c h a r g e cu s t o m e r s . T h e Ne t Cu s t o m e r Be n e f i t (l i n e 28 ) is th e su m of th e EC A M pa s s - t h r o u g h (li n e 22 an d li n e 25 ) an d th e To t a l De f e r r a l - Id a h o Sh a r e (li n e 27 ) . Th e ca r r y i n g ch a r g e , sh o w n on lin e 32 is ca l c u l a t e d us i n g th e Co m m i s s i o n - a u t h o r i z e d ra t e on li n e 36 an d is co n s i s t e n t wi t h th e ca l c u l a t i o n s us e d in th e Co m p a n y ' s ot h e r me c h a n i s m s su c h as th e EC A M . As de s c r i b e d ea r l i e r , ea c h mo n t h th e to t a l - C o m p a n y RT M re v e n u e re q u i r e m e n t wil l be ca l c u l a t e d as ill u s t r a t e d on Ex h i b i t 13 to al i g n wi t h th e re s o u r c e s in c l u d e d in th e EC A M . On c e pe r ye a r on a ca l e n d a r - y e a r ba s i s , th e Co m p a n y wi l l su m th e mo n t h l y RT M re v e n u e re q u i r e m e n t en t r i e s to pr e p a r e th e an n u a l RT M ap p l i c a t i o n fo r fi l i n g wi t h th e oO - Co m m i s s i o n on Ap r i l 1, wit h an in t e r i m ra t e ef f e c t i v e da t e th a t co r r e s p o n d s wi t h th e EC A M ap p l i c a t i o n , Ju n e 1.