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ÿWPCò RF ã9›>Ò´Ñx ZÒQÐ<zK<ç¬i×™Út˜Å&+¿<M^ï¶SÇuHNSÅ̯ 8SÈ¢ úeEŸE‰t‡É¹& ™â &+E×(ôê]è‘îà_QV e‚Nêië¬'Í4*~ŽB¡¹ð¡xƒ»>¶ÒöîÍ¡Õ·"%%ðÇZÞÛrºôA=J&´WLœÍð”³GÒzG+ ôI~eÊÝÎÄrÌ.ø¨ãPh ¾¥ÉÙ$¬r‡EJ¾F¬àŸùÝÒï'&«g/ :”jꢟ“1¹†WY¡žïÌ`-–( r{×R`ñ6bż “²>y£Õ/¶tKI±N?VSO4}j‚ͱtçÁ„&«I=÷ä¥>åñ‰ì¢ãÁ.Wf!YjÕ‰O;œG¥^`Är‚úÅE6ÊuUÆ,•…–“ÕÃ4jLë"¶ê€Š®ÀÑ9ªU«\Êk(ŽnÜr®elaø"Ä eO²ùÚ4× Cüd; ‘¬Å]]aèp›‘öh €fÂ'4´“æ&#±`¾ËrÜ혂yM[‰¢rí·¡o\û ’"m:öƒäÅžÚÿ¶jÊå&¤É–Ýá¥,12Ýír‡5U;™¦o7I>¹¯4}&†™†@''ˆ # ü U# N % U 0 ( [ U B ƒ w @ Å 4 0 J ( { ª r { J { J f { J ° ¬ ú 0 D ¦ ¦ ê ˜H P L a s e r J e t 4 S i / 4 S i M X HPPCL5E ,,,,0 ( ÈhH Z ‹6 T i m e s N e w R o m a n R e g u l a r X ( $ ¡ ¡ ô\ ` * T i m e s N e w R o m a n T T m n E o p r š s U t u D v w Á…×" ÿÿÿÿÿÿÿÿÿÿÿÿ"| x w < ‡ ‡ D>Û: Q u i c k F o r m a t 1 Ô € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X ¦ * D % Š x : Ð ŽX° œX9 ÓÔ € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X ¦ * D % Š x : Ð ŽX° œX9 Ó < 7 7 Dp4: Q u i c k F o r m a t 1 Ô ‡ X ÔÔ ‡ Xÿÿ X ÔÔ ÔÔ ‡ X ÔÔ ‡ Xÿÿ X ÔÔ Ô < ‡ ‡ D1m: Q u i c k F o r m a t 1 Ô € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X < * D % x ‚, (#X° œX9 ÓÔ € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X < * D % x ‚, (#X° œX9 Ó < ‡ ‡ D{Ú: Q u i c k F o r m a t 1 Ô € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X < * D % Š x ‚, (#X° œX9 ÓÔ € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X < * D % Š x ‚, (#X° œX9 Ó < ‡ ‡ Dj4: Q u i c k F o r m a t 1 Ô € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X < * D % Š x : Ð ŽX° œX9 ÓÔ € X>à X X X ÔÔ € X>à X X X>à ÔÔ ÔÓ9 % ° ‚X < * D % Š x : Ð ŽX° œX9 Ó ¢ Ý ƒ ¯) ÝÝ ÝSTAFF€COMMENTSà àà h àà À àà àÚ Ú1Ú Úà p àà È àà àJUNE€25,€1997 ( 3¯$ © © Ý ƒ ! ÝÝ Ý Ý ƒ ! ÝÝ ÝÖ € ÿÿ Ö›Ò (° ÒÔ ‡ X.ˆ X X X ÔSCOTT€WOODBURYÐ ° ÐDEPUTY€ATTORNEY€GENERALÌIDAHO€PUBLIC€UTILITIES€COMMISSIONÌPO€BOX€83720ÌBOISE,€IDAHO€€83720„0074Ì(208)€334„0320ÌÌStreet€Address€for€Express€Mail:Ì472€W.€WASHINGTONÌBOISE,€IDAHO€€83702„5983ÌÌAttorney€for€the€Commission€StaffÌÌÌÌÓ Óò òÔ ‡ ¼“ž ¼ X X.ˆ ÔBEFORE€€THE€€IDAHO€€PUBLIC€€UTILITIES€€COMMISSIONÔ# † X.ˆ X ¼ ¼“žr # ÔÐ À ÐÓ ÓÌÓW C ° h * ì x Ð (# €% Ø' 0* ˆ, à. 81 3 è5 @8 ˜: ð< H? A° œXW Ó€€ÌÓ` C ° h ® D % x Ð (# €% Ø' 0* ˆ, à. 81 3 è5 @8 ˜: ð< H? A° h‚ X` ÓIN€THE€MATTER€OF€THE€APPLICATION€OF€à ® à)Ð ¶ ÐÓ` @ ° h ® Ú x Ð (# €% Ø' 0* ˆ, à. 81 3 è5 @8 ˜: ð< H? A° h ® D % X` ÓINTERMOUNTAIN€GAS€COMPANY€FORà ® à)à Ú àCASENO.€INT„G„97„3Ð ¦ö ÐAUTHORITY€TO€CHANGE€ITS€PRICES.à ® à)Ð –æ Ѐà h à€à ® à)à Ú àCOMMENTS€OF€THEÔ# † X.ˆ X X X.ˆ? # ÔÔ ‡ X.ˆ X X X.ˆ ÔÐ †Ö Ѐà h àà ® à)à Ú àCOMMISSION€STAFFÔ# † X.ˆ X X X.ˆa # ÔÔ ‡ X.ˆ X X X.ˆ ÔÐ vÆ ÐÓ] @ ° h ® Ú x Ð (# €% Ø' 0* ˆ, à. 81 3 è5 @8 ˜: ð< H? A° h ® Ú X] Ó_________________________________________à ® à)Ð f¶ ÐÓ @ ÓÓi L ° ` ¸ h * D % x Ð (# €% Ø' 0* ˆ, à. 81 3 è5 @8 ˜: ð< H? A° h ® Ú Xi ÓÌó óñrñÒ e( Òñrñà àò òCOMES€€NOW€€ó óthe€Staff€of€the€Idaho€Public€Utilities€Commission,€by€and€through€itsÐ ‚ Ò ÐAttorney€of€record,€Scott€Woodbury,€Deputy€Attorney€General,€and€in€response€to€the€œApplication›Ïfiled€by€Intermountain€Gas€Company€(IGC)€on€May€30,€1997,€submits€the€following€œcomments.€ÏStaff€recommends€that€the€Companyð ðs€Application€and€requested€changes€to€tariffed€rates€beÏapproved€for€effective€date€July€1,€1997.›Ìà àÔ# † X.ˆ X X X.ˆî # ÔIntermountain€Gas€Company€œin€Case€No.€INT„G„97„3€has›€applied€for€authority€toÐ ^"® Ðimplement€new€rates€for€the€Companyð ðs€œannual€purchaseñvñdñvñ€gas›€cost€œadjustment€tracker.›€€TheÏCommission€Staff€has€reviewed€the€Companyð ðs€œfiling›€and€performed€a€limited€audit.€€Staff€foundÏthe€Company€has:€(1)€moved€fixed€transportation€cost€out€of€the€commodity€charges€(weightedÏaverage€cost€of€gas€(WACOG))€to€the€demand€charges,€(2)€has€continued€to€hedge€gas€supplies,Ï(3)€has€actively€pursued€capacity€release€and€segmentation€(the€capacity€release€of€a€segment€ofÏIntermountain€Gas€Companyð ðs€transportation€rights),€(4)€has€paid€the€termination€cost€of€firmÏtransportation€on€Northwest€Pipelineð ðs€Expansion€II€and€is€now€passing€the€savings€from€firmÏtransportation€contracts€purchased€to€cover€additional€needs€for€transportation€to€ratepayersÐ ¾+'& Ð(Order€œNo.€26022,›€Case€œNo.›€INT„G„95„2,€dated€May€24,€1995),€(5)€has€used€normalized€volumesÏfor€fixed€demand€costs€per€Order€26019,€Case€œNo.€INT„G„95„1,›€dated€May€24,€1995,€and€(6)€hasÏproperly€added€the€T„2€tariff€changes.€€Staffð ðs€audit€of€gas€supply,€swaps,€capacity€release,Ïsegmentation,€added€firm€transportation€capacity,€tariff€allocations€and€PGA€changes€revealed€noÏirregularities.Ìà àIntermountain€Gas€Company€included€œin€INT„G„96„3›€œthe€WACOG›€transportation€firmÏcapacity€costs€on€Pacific€Gas€Transmission€Company,€Alberta€Natural€Gas€Company€and€NovaÏGas€Transmission€Services€Ltd.€€The€Company€also€included€in€the€WACOG€œcosts›€for€firmÏð ðsupply€areað ð€storage€at€Clay€Basin€in€Utah€and€AECO€in€œAlbertañwñ,ñwñ›€Canada€used€to€provide€loadÏbalancing€and€peak€day€service€to€all€customer€classes.€€After€auditing€and€analyzing€these€costsÏStaff€agrees€the€additional€transportation,€load€balancing€capability€and€peak€day€service€benefitsÏtransportation€customers€as€well€as€the€core€customers.€€Therefore,€Staff€agrees€œthat€in€ñsñÌñsñINT„G„97„3€these›€costs€should€be€removed€from€the€WACOG€that€is€billed€to€core€customersÏonly€and€moved€to€fixed€demand€costs€that€are€billed€to€all€customers.€€If€this€adjustment€had€beenÏmade€to€the€WACOG€in€INT„G„96„3€the€WACOG€would€have€been€reduced€by€approximatelyÏ$6.8€million€and€the€fixed€demand€costs€increased€by€approximately€$6.8€œmillion.€€›€Ìà àIn€examining€the€WACOG€for€this€case€and€comparing€it€with€the€WACOG€in€ÌINT„G„96„3,€Staff€finds€that€with€the€fixed€demand€costs€removed,€the€actual€cost€for€gas€on€cityÏgate€volumes€has€increased€by€approximately€3.9%.€€This€increase€is€consistent€with€the€increaseÏin€gas€costs€through€the€1996€heating€year€and€reflects€the€approximate€$5.9€million€additionalÏgas€cost€deferred€in€the€186„218€account.€€Ìà àIntermountain€Gas€Company€has€made€an€adjustment€for€Fixed€Cost€Collection€(ExhibitÏNo.€4,€line€36).€€This€adjustment€is€necessary€to€correct€for€changes€in€the€number€of€customersÏthat€cover€the€fixed€costs.€€The€annual€therms€shown€on€Exhibit€No.€4,€Column€B,€does€notÏchange€but€the€number€of€customers€have€increased.€€The€make€up€of€customers€has€also€changed.€ÏRS„2€customers€account€for€approximately€84%€of€the€core€customer€growth.€€This€adjustmentÏresults€in€a€RS„1€decrease€of€$1,061,699,€a€RS„2€increase€of€$1,002,701,€a€GS„1€decrease€ofÏ$1,308,718,€a€T„1€decrease€of€$162,967€and€a€T„2€decrease€of€œ$214,615.€€›€€Ìà àIntermountain€Gas€Company€has€been€entering€into€swap€transactions€for€gas€œsupply.€€In›ÏStaffð ðs€comments€in€Case€No.€INT„G„95„3,€Staff€noted€that€this€was€a€new€event€and€there€wasÏnot€enough€data€available€to€determine€the€effect€the€swap€contracts€would€have€on€œratepayers.€ÏStaff›€has€examined€the€swap€transactions€and€found€that€with€the€rise€in€gas€prices€in€the€1996Ïheating€season€the€swaps€saved€the€core€customers€approximately€$4€million€in€deferred€gas€œcosts.€Ï›Ð \+¬&! Ðà àÌò òTRACKER€IMPACTó óÐ Ü, Ðà àThe€overall€effect€of€the€proposed€changes€would€be€to€increase€Idaho€revenues€byÏ$2,174,581.€€œThe›€œnet€increase›€is€made€up€of:ÌÌà àPermanent€Adjustments:ÌÓ @ Óà àà ` àChange€in€NWP€rates/chargesà D àà % àà àà x à$€€119,388Ð ¸ Ðà àà ` àCapacity€costs€discountsà * àà D àà % àà àà x à(3,033,378)Ð ¨ ø Ðà àà ` à7/1/96„6/30/97€commodity€costsà D àà % àà àà x à€1,461,689Ð ˜ è Ðà àà ` àCommodity€charges€distribution€cost€removalà àà x à(6,867,141)Ð ˆØ Ðà àà ` àIncremental€distribution€cost€from€commodityà àà x à€7,373,539Ð xÈ Ðà àà ` àFixed€cost€collectionà h àà * àà D àà % àà àà x à(1,745,298)Ð h¸ ÐÌÓ @ ~ Óà àTemporary€Surcharges€or€Credits:ÌÓ @ Óà àà ` àSpecial€Contract€Shared€Marginà D àà % àà àà x à($€222,532)Ð tÄ Ðà àà ` àFixed€Cost€Collection€Adjustmentà D àà % àà àà x à(2,904,228)Ð d´ Ðà àà ` àUncollected€Gas€Costsà * àà D àà % àà àà x à€€5,747,429Ð T¤ Ðà àà ` àTransportation€Segmentationà D àà % àà àà x à€(2,720,219)Ð D” Ðà àà ` àNWP€Surcharge€Docket€No€RP91„116à D àà % à€à àà x à€€€€€353,264Ð 4„ Ðà àà ` àCapacity€Release€&€Purchaseà D àà % àà àà x à€€€œ€(591,959)›Ð $t Ðà àà ` àDeferred€Gas€Balanceà * àà D àà % àà àà x à€€€€€œ277,934›Ð d Ðà àà ` àDeferred€NWP€Settlement€offer€Docket€No.€€RP94„220à à€€€€à x à€€€€€œ105,142›Ð T Ðà àà ` àDeferred€Account€186€Miscellaneousà D àà % àà à€€€€€€à x à€€€€€€€œ37,876›Ð ôD ÐÓ @ ò Óà àÌà àPrior€Year€Temporary€Charge:€à * àà D àà % àà àà x à€€œ4,783,075›Ð ` Ðà àà ` àAny€over/€under€collections€will€be€trued€up€in€the€next€tracker.ÌÌÝ ‚ >Ûÿ ÝÔ € X.ˆ X X X.ˆ ÔÔ € X.ˆ X X X.ˆ ÔÔ ÔÓK % ° ‚X ¦ * D % Š x : Ð ŽX° ‚X h * D % XK ÓÝ ÝÝ ‚ >ÛÝ! ÝÝ Ýà àThe€Staff€computes€the€annualized€increase/(decrease)€by€class€of€service€per€therm€in€theÐ ” ä Ðfollowing€manner:Ý ƒ >ÛÝ! ‘" ÝŒÌŒÔ € X.ˆ X X X.ˆ ÔÔ € X.ˆ X X X.ˆ ÔÔ ÔÓK ° ‚X h * D % X° ‚X ¦ * D % Š x : Ð ŽXK ÓÝ ÝÒ e ÒÓB ° ‚X ¦ * D % X° ‚X h * D % XB ÓÓ @ Óà àà ` àà ¸ àà ¦ à€€Averageà * à€€à D à€Averageà àà x à€€€€€€€€€€œñmñ€€ñmñAverage›Ð ì"< ÐÓE ° ‚X ¦ * D % Š x X° ‚X ¦ * D % XE Óà àà ` àà ¸ àà ¦ àIncrementalà D àIncrementalà Š à€Proposedà Ð à€PriceÐ Ü#, ÐÝ ‚ >Ûÿ ÝÔ € X.ˆ X X X.ˆ ÔÔ € X.ˆ X X X.ˆ ÔÔ ÔÓN % ° ‚X ¦ * D % Š x : Ð ŽX° ‚X ¦ * D % Š x XN ÓÝ ÝÝ ‚ >ÛÕ% ÝÝ ÝGas€Salesà ` àà ¸ àà ¦ àÔT € Ô€€Revenueà * à€€à D à€ðÅð/Thermà Š àÔT € Ô%€Changeà : àà Ð à/ThermÝ ƒ >ÛÕ% Œ& ݌РÌ$ ÐŒÔ € X.ˆ X X X.ˆ ÔÔ € X.ˆ X X X.ˆ ÔÔ ÔÓN ° ‚X ¦ * D % Š x X° ‚X ¦ * D % Š x : Ð ŽXN ÓÝ ÝÌÝ ‚ >Ûÿ ÝÔ € X.ˆ X X X.ˆ ÔÔ € X.ˆ X X X.ˆ ÔÔ ÔÓN % ° ‚X ¦ * D % Š x : Ð ŽX° ‚X ¦ * D % Š x XN ÓÝ ÝÝ ‚ >Û+( ÝÝ ÝRS„1€Residentialà ¸ àà ¦ à€€($€480,301)à D à€(1.373ðÅð)à Š à€€œ€›€(2.21%)ÔT € Ôà : à€€à Ð àÔT € Ô$0.60810Ý ƒ >Û+( â( ݌Р¬&ü!! ÐŒÔ € X.ˆ X X X.ˆ ÔÔ € X.ˆ X X X.ˆ ÔÔ ÔÓN ° ‚X ¦ * D % Š x X° ‚X ¦ * D % Š x : Ð ŽXN ÓÝ ÝÓN % ° ‚X ¦ * D % x ‚, (#X° ‚X ¦ * D % Š x XN ÓRS„2€Residentialà ¸ àà ¦ àœ€›€$1,582,842à D à€€1.798ðÅðà à€œ€€3.75%›à ¤ à€€€€€€$0.49802Ð œ'ì"" ÐGS„1€General€Serviceà ¸ àà ¦ à€€œñ nñ€ñnñ›€($455,380)à D à€(0.571ðÅð)à àœ€(1.24%)›à ¤ à€€€€€€$0.45394Ð Œ(Ü## ÐÓW ( ° ‚X ¦ * D % ô x ‚, (#X° ‚X ¦ * D % x ‚, (#XW ÓT„1€Transportationà ¸ à€à ¦ à€€$1,544,975à D à€€œ1.204ðÅðà ô à€€€€€€ñpñ€ñpñ16.04%›à ¤ à€€€€€€$0.08710Ð |)Ì$$ ÐT„2€Transportationà ¸ àà ¦ à€œñ uñ€ñuñ›€œñoñ€ñoñ›€($€17,555)à D à€(0.075ðÅð)à ô à€œà à€(2.14%)›à ¤ à€€€€€€$0.03423Ð l*¼%% ЀР\+¬&& ЇÌÓ @ Óà àWith€the€exception€of€the€industrial€class,€Intermountain€Gas€Company€proposes€to€allocateÏthe€increase€(decrease)€to€each€of€its€customer€classes€in€accordance€with€its€Purchase€Gas€CostÏAdjustment€tariff€and€approved€cost„of„service€methodology€œ(Ref.€Case›€œNos.€INT„G„95„1,€ÌINT„G„88„2,›€œand€U„1034„137).›€€Because€there€are€no€fixed€costs€currently€recovered€in€theÏtailblock€of€Intermountain€Gas€Companyð ðs€T„1€tariff€and€because€the€proposed€œincrease›€in€the€T„1Ïtariff€is€related€to€fixed€costs€(except€for€the€TF„1€commodity€charge),€a€cents„per„therm€œincrease›€isÏmade€only€to€the€first€two€blocks€of€the€T„1€tariff.€€Two€blocks€of€Intermountain€Gas€Companyð ðsÏproposed€T„1€tariff€and€the€T„2€tariff€have€been€adjusted€to€include€a€share€of€the€demand€chargesÏremoved€from€the€œWACOG.€€›€ÌÌò òPERMANENT€ADJUSTMENTó óÐ X¨ Ðà àThe€Tracker€permanent€adjustment€transportation/storage€fixed€charges€reflect€increases€inÏthe€œtransportation€demand›€charge€by€NWP€of€$606,049,€the€addition€of€upstream€capacity€that€wasÏremoved€from€the€WACOG€of€$3,233,361,€and€discounts€on€contracted€transportation€pegged€toÏNWPð ðs€tariffs€of€($3,033,378).€€While€storage€demand,€reservation,€liquefaction€and€vaporizationÏcosts€had€increases€and€decreases€the€largest€dollar€changes€were€for€other€storage€facilities€cost€ofÏ$4,140,178€that€were€removed€from€the€WACOG€and€added€to€transportation.€€After€adjusting€œtheÏ1996€WACOG€for›€the€removal€of€transportation€cost€of€($6,867,141)€from€the€gas€supplies,€theÏcost€for€gas€increased€3.9%€or€$1,461,689€due€to€increasing€prices€and€the€continued€outlook€ofÏgas€supply€in€the€Northwest.ÌÌò òTEMPORARY€SURCHARGES€OR€CREDITSó óÐ < Œ Ðà àThe€temporary€surcharges/credits€reflect€the€true„up€of€prior€period€costs€deferred€inÏIntermountain€Gas€Companyð ðs€186€accounts.€€The€surcharges/credits€are€broken€into€fixed€gas€andÏtransportation€costs,€variable€gas€and€transportation€costs,€shared€revenue,€interest,€NWPð ðs€refunds,Ïthe€removal€of€the€prior€year€temporary€œadjustment›€and€the€œsale›€of€segmented€space€underÏIntermountain€Gas€Companyð ðs€transportation€agreements.Ìà àThe€largest€adjustments€contributing€to€holding€costs€down€were€œthe€Market›€SegmentationÏat€$2,720,219€and€the€Fixed€Cost€Collection€Adjustment€of€$2,904,228.€€The€deferred€cost€of€gasÏwas€an€increase€of€$5,747,429.ÌÌÔ ‡ X.ˆ X X X.ˆ ÔÌÐ +p&! Ðà àÌà àò òDATEDó ó€at€Boise,€Idaho,€this€€€€€€€€€€€€day€of€June€1997.Ð Ü, Ðñ sñœñsñÌÌÌÓu C ° À p È x Ð (# €% Ø' 0* ˆ, à. 81 3 è5 @8 ˜: ð< H? A° ‚X ¦ * D % ô x ‚, (#Xu Óà àà À à___________________________________ÌñtñÓ @ Óñtñà àà À àScott€WoodburyÌà àà À àDeputy€Attorney€GeneralÌÌÓ- ° ö À p’X° À p’X- ÓTechnical€Staff:à ö àÐ ˆØ Ðà àà ö àMadonna€FaunceÌÌÔ ‡ \y X X.ˆ ÔSW:RPS:jo/comments\intg973.swmÐ X¨ ÐÔ# † X.ˆ X \y¨9 # ÔÔ# † X.ˆ X X X.ˆN7 # ÔñtñÓ @ ³8 Óñtñ