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13 - Atmos Rate Review Mechanism Settlement
ORDINANCENO. ----- ANORDINANCE OFTHECITY COUNCIL OFTHECITY OFPARIS,TEXAS APPROVING ANEGOTIATED SETTLEMENTBETWEENTHEATMOSCITIES STEERING COMMITTEE("ACSC")ANDATMOS ENERGYCORP., MID-TEXDIVISIONREGARDINGTHE COMPANY'S2019RATEREVIEWMECHANISMFILING; DECLARINGEXISTINGRATESTOBEUNREASONABLE; ADOPTINGTARIFFSTHATREFLECTRATE ADJUSTMENTSCONSISTENTWITHTHENEGOTIATED SETTLEMENT;FINDINGTHERATESTOBESETBYTHE ATTACHEDSETTLEMENT TARIFFSTOBEJUSTAND REASONABLEANDINTHEPUBLICINTEREST; APPROVINGANATTACHEDEXHIBITESTABLISHINGA BENCHMARKFORPENSIONSANDRETIREEMEDICAL BENEFITS;APPROVINGANATTACHEDEXHIBIT REGARDINGAMORTIZATIONOFREGULATORY LIABILITY;REQUIRINGTHECOMPANYTOREIMBURSE ACSC'SREASONABLERATEMAKINGEXPENSES; DETERMININGTHATTHISORDINANCEWASPASSEDIN ACCORDANCEWITHTHEREQUIREMENTSOFTHE TEXASOPENMEETINGSACT;ADOPTINGASAVINGS CLAUSE;DECLARINGANEFFECTIVEDATE;AND REQUIRINGDELIVERYOFTHISORDINANCETO THE COMPANYANDTHEACSC'SLEGALCOUNSEL. WHEREAS,theCityof, Paris, Texas ("City")isagasutilitycustomerofAtmos EnergyCorp.,Mid-TexDivision("AtmosMid-Tex"or"Company"),andaregulatoryauthority withaninterestintheratesandchargesofAtmosMid-Tex;and WHEREAS,theCityisamemberoftheAtmosCitiesSteeringCommittee("ACSC"),a coalitionofsimilarly-situatedcitiesservedbyAtmosMid-Tex("ACSCCities")thathavejoined togethertofacilitatethereviewof,andresponseto,naturalgasissuesaffectingrateschargedin theAtmosMid-Texservicearea;and WHEREAS,ACSCandtheCompanyworkedcollaborativelytodevelopanewRate ReviewMechanism("RRM")tariffthatallowsforanexpeditedratereviewprocessbyACSC CitiesasasubstitutetotheGasReliabilityInfrastructureProgram("GRIP")processinstitutedby 1 theLegislature,andthatwillestablishratesfortheACSCCitiesbasedonthesystem-widecost ofservingtheAtmosMid-TexDivision;and 2018; WHEREAS,thecurrentRRMtariffwasadoptedbythe City in arate ordinance in and WHEREAS,onaboutApril1,2019,AtmosMid-Texfiledits2019RRMraterequest withACSCCitiesbasedonatestyearendingDecember31,2018;and WHEREAS,ACSCcoordinateditsreviewoftheAtmosMid-Tex2019RRMfiling throughitsExecutiveCommittee,assistedbyACSC'sattorneys and consultants, to resolve issuesidentifiedintheCompany'sRRMfiling;and WHEREAS,theExecutiveCommittee,aswellasACSC'scounselandconsultants, recommendthatACSCCitiesapproveanincreaseinbase ratesforAtmosMid-Texof$35.4 millionapplicabletoACSCCities;and WHEREAS,theattachedtariffs(ExhibitA)implementingnewratesareconsistentwith therecommendationoftheACSCExecutiveCommittee,areagreedtobytheCompany,andare just,reasonable,andinthepublicinterest;and WHEREAS,thesettlementagreementsetsanewbenchmarkforpensionsandretiree medicalbenefits(ExhibitB);and WHEREAS,thesettlementagreementestablishesanamortizationscheduleforregulatory liability(ExhibitC);and WHEREAS,theRRMTariffcontemplatesreimbursementof ACSC's reasonable expenses associatedwithRRMapplications; NOW,THEREFORE,BEITORDAINEDBYTHECITYCOUNCILOFTHE CITYOF PARIS,TEXAS: 2 Section1.ThatthefindingssetforthinthisOrdinanceareherebyinallthingsapproved. Section2.That,withoutprejudicetofuturelitigationofanyissueidentifiedbyACSC, theCityCouncilfindsthatthesettledamountofanincreaseinrevenuesof$35.4million for ACSCCitiesrepresentsacomprehensivesettlementofgasutilityrateissuesaffectingtherates, operations,andservices offeredbyAtmosMid-Texwithinthemunicipallimitsarising from AtmosMid-Tex's2019RRMfiling,isinthepublicinterest,andisconsistent withtheCity's authorityunderSection103.001oftheTexasUtilitiesCode. Section3.ThattheexistingratesfornaturalgasserviceprovidedbyAtmosMid-Texare unreasonable.ThenewtariffsattachedheretoandincorporatedhereinasExhibitA,arejustand reasonable, andaredesignedtoallowAtmosMid-Textorecoverannuallyanadditional$35.4 millionfromcustomersinACSCCities, overtheamount allowed under currently approved rates. Suchtariffsareherebyadopted. Section4.Thattheratemakingtreatmentforpensionsandretireemedicalbenefitsin AtmosMid-Tex'snextRRMfilingshallbeassetforthonExhibitB,attachedheretoand incorporatedherein. Section5.Thatamortizationofregulatoryliabilityshallbeconsistentwiththeschedule foundinattachedExhibitCattachedheretoandincorporatedherein. Section6.ThatAtmosMid-Texshallreimbursethereasonableratemakingexpensesof theACSCinprocessingtheCompany's2019RRMfiling. Section7.Thattotheextentanyresolutionorordinancepreviouslyadoptedbythe CouncilisinconsistentwiththisOrdinance,itisherebyrepealed. 3 Section 8.That the meetingatwhichthisOrdinancewas approvedwasinallthings conductedinstrictcompliance withtheTexas OpenMeetingsAct,TexasGovernmentCode, Chapter551. Section9.ThatifanyoneormoresectionsorclausesofthisOrdinanceisadjudgedto beunconstitutionalorinvalid,suchjudgmentshallnotaffect,impair,orinvalidatetheremaining provisionsofthisOrdinance,andtheremainingprovisionsoftheOrdinanceshallbeinterpreted asiftheoffendingsectionorclauseneverexisted. Section10.ThatconsistentwiththeCityOrdinancethatestablished theRRMprocess, thisOrdinanceshallbecomeeffectivefromandafteritspassagewithratesauthorizedbyattached tariffstobeeffectiveforbillsrenderedonorafterOctoberI,2019. Section11.ThatacopyofthisOrdinanceshallbesenttoAtmosMid-Tex,careofChris Felan,VicePresidentofRatesandRegulatoryAffairsMid-TexDivision,AtmosEnergy Corporation,5420LJBFreeway,Suite1862,Dallas,Texas75240,andtoGeoffreyGay,General CounseltoACSC,atLloydGosselinkRochelle &Townsend, P.C., 816 Congress Avenue, Suite1900,Austin,Texas 78701. h PASSEDANDAPPROVEDthis 9dayofSeptember,2019. Steven J. Clifford, M.D., Mayor ATTEST:APPROVEDASTOFORM: Janice Ellis, CityClerkStephanie H. Harris, CityAttorney 4 ExhibitA RateTariffsEffectiveOctober1,2019 MID-TEXDIVISION RRCTariffNo: ATMOSENERGYCORPORATION RATESCHEDULE: R-RESIDENTIALSALES APPLICABLETO: ALLCUSTOMERSINTHEMID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter10/01/2019 I PAGE: Application ApplicabletoResidentialCustomersforallnaturalgasprovidedatonePointofDeliveryandmeasured throughonemeter. TypeofService Whereservice ofthetypedesiredbyCustomerisnotalreadyavailableatthePointofDelivery,additional chargesandspecialcontractarrangementsbetweenCompanyandCustomermayberequiredpriorto servicebeingfurnished. MonthlyRate Customer'smonthlybillwillbecalculatedbyaddingthefollowingCustomerandCcfchargestothe amountsdueundertheriderslistedbelow: ChargeAmount $19.55permonth CustomerChargeperBill 1 $0.05 permonth RiderCEESurcharge $19.60permonth TotalCustomerCharge $0.17423 perCcf CommodityCharge-AllCcf GasCostRecovery:Plusanamountforgascostsandupstreamtransportationcostscalculated inaccordancewithPart(a)andPart(b),respectively,ofRiderGCR. WeatherNormalizationAdjustment:PlusorMinusanamountforweathernormalization calculatedinaccordancewithRiderWNA. FranchiseFeeAdjustment:PlusanamountforfranchisefeescalculatedinaccordancewithRider FF.RiderFFisonlyapplicabletocustomersinsidethecorporatelimitsofanyincorporated municipality. TaxAdjustment:PlusanamountfortaxcalculatedinaccordancewithRiderTAX. Surcharges:Plusanamountforsurchargescalculatedinaccordancewiththeapplicablerider(s). Agreement AnAgreementforGasServicemayberequired. Notice Servicehereunderandtheratesforservicesprovidedaresubjecttotheordersofregulatorybodies havingjurisdictionandtotheCompany'sTariffforGasService. 1 ReferenceRiderCEE-ConservationandEnergyEfficiencyasapprovedinGUO10170.SurchargebillingeffectiveJuly1,2019. MID-TEXDIVISION RRCTariffNo: ATMOSENERGYCORPORATION RATESCHEDULE: C-COMMERCIALSALES APPLICABLETO: ALLCUSTOMERSINTHEMID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter10/01/2019 I PAGE: Application ApplicabletoCommercialCustomersforallnaturalgasprovidedatonePointofDeliveryandmeasured throughonemeterandtoIndustrialCustomerswithanaverageannualusageoflessthan30,000Ccf. TypeofService WhereserviceofthetypedesiredbyCustomerisnotalreadyavailableatthePointofDelivery,additional chargesandspecialcontractarrangementsbetweenCompanyandCustomermayberequiredpriorto servicebeingfurnished. MonthlyRate Customer'smonthlybillwillbecalculatedbyaddingthefollowingCustomerandCcfchargestothe amountsdueundertheriderslistedbelow: ChargeAmount CustomerChargeperBill$46.50 permonth 2 RiderCEESurcharge$0.02permonth TotalCustomerCharge$46.52permonth $0.09924perCcf CommodityCharge-AllCcf GasCostRecovery:Plusanamountforgascosts and upstreamtransportationcosts calculated inaccordancewithPart(a)andPart(b),respectively,ofRiderGCR. WeatherNormalizationAdjustment:PlusorMinusanamountforweathernormalization calculatedinaccordancewithRiderWNA. FranchiseFeeAdjustment:PlusanamountforfranchisefeescalculatedinaccordancewithRider FF.RiderFFisonlyapplicabletocustomersinsidethecorporatelimitsofanyincorporated municipality. TaxAdjustment:PlusanamountfortaxcalculatedinaccordancewithRiderTAX. Surcharges:Plusanamountforsurchargescalculatedinaccordancewiththeapplicablerider(s). Agreement AnAgreementforGasServicemayberequired. Notice Servicehereunderandtheratesforservicesprovidedaresubjecttotheordersofregulatorybodies havingjurisdictionandtotheCompany'sTariffforGasService. 1 ReferenceRiderCEE-ConservationandEnergyEfficiencyasapprovedinGUO10170.SurchargebillingeffectiveJuly1,2019. MID-TEXDIVISION RRCTariff No: ATMOSENERGYCORPORATION RATESCHEDULE: I-INDUSTRIALSALES APPLICABLETO: ALLCUSTOMERSINTHEMID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter10/01/2019 I PAGE: Application ApplicabletoIndustrialCustomerswithamaximumdailyusage(MDU)oflessthan3,500MMBtuperday forallnaturalgasprovidedatonePointofDeliveryandmeasuredthroughonemeter.Servicefor IndustrialCustomerswithanMDUequaltoorgreaterthan3,500MMBtuperdaywillbeprovidedat Company'ssoleoptionandwillrequirespecialcontractarrangementsbetweenCompanyandCustomer. Typeof Service WhereserviceofthetypedesiredbyCustomerisnotalready available atthePointofDelivery,additional chargesandspecialcontractarrangementsbetweenCompanyandCustomermayberequiredpriorto servicebeingfurnished. MonthlyRate Customer'smonthlybillwillbecalculatedby addingthefollowingCustomerandMMBtuchargestothe amountsdueundertheriderslistedbelow: ChargeAmount CustomerChargeperMeter$845.50 permonth $0.3572perMMBtu First0MMBtuto1,500MMBtu Next3,500MMBtu$0.2616perMMBtu AllMMBtuover5,000MMBtu$0.0561perMMBtu GasCostRecovery:Plusanamountforgas costsandupstreamtransportationcostscalculated inaccordancewithPart(a)andPart(b),respectively,ofRiderGCR. FranchiseFeeAdjustment:PlusanamountforfranchisefeescalculatedinaccordancewithRider FF.RiderFFisonlyapplicabletocustomersinsidethecorporatelimitsofanyincorporated municipality. TaxAdjustment:PlusanamountfortaxcalculatedinaccordancewithRiderTAX. Surcharges:Plusanamountforsurchargescalculatedinaccordancewiththeapplicable rider(s). CurtailmentOverpullFee UponnotificationbyCompanyofanevent ofcurtailmentorinterruptionofCustomer'sdeliveries, Customerwill,foreachMMBtudeliveredinexcessofthestatedlevelofcurtailmentorinterruption,pay Company200%ofthemidpointpricefortheKatypointlistedinPlattsGasDailypublishedforthe applicableGasDayinthetableentitled"DailyPriceSurvey." ReplacementIndex Intheeventthe"midpoint"or"common"pricefortheKatypointlistedinPlattsGasDailyinthetable entitled"Daily PriceSurvey" isnolongerpublished,Companywillcalculatetheapplicableimbalancefees utilizingadailypriceindexrecognizedasauthoritativebythenaturalgasindustryandmostclosely approximatingtheapplicableindex. MID-TEXDIVISION RRCTariffNo: ATMOSENERGYCORPORATION RATESCHEDULE: I-INDUSTRIALSALES APPLICABLETO: ALL CUSTOMERSINTHEMID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter10/01/2019 I PAGE: Agreement AnAgreementforGasServicemayberequired. Notice Servicehereunderandtheratesforservicesprovidedaresubjecttotheordersofregulatorybodies havingjurisdictionandtotheCompany'sTariffforGasService. SpecialConditions InordertoreceiveserviceunderRateI,CustomermusthavethetypeofmeterrequiredbyCompany. CustomermustpayCompanyallcostsassociatedwiththeacquisitionandinstallationofthemeter. MID-TEXDIVISION RRCTariff No: ATMOSENERGYCORPORATION RATESCHEDULE: T-TRANSPORTATION APPLICABLETO: ALLCUSTOMERSINTHEMID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter10/01/2019 I PAGE: Application Applicable, intheeventthatCompanyhasenteredintoaTransportationAgreement,toacustomer directlyconnectedto theAtmosEnergyCorp.,Mid-TexDivisionDistributionSystem(Customer)forthe transportationofallnaturalgassuppliedbyCustomerorCustomer'sagentatonePointofDeliveryfor useinCustomer'sfacility. TypeofService WhereserviceofthetypedesiredbyCustomerisnotalready availableatthe PointofDelivery,additional chargesandspecialcontractarrangementsbetweenCompanyandCustomermayberequiredprior to servicebeingfurnished. MonthlyRate Customer'sbillwillbecalculatedby addingthefollowingCustomerandMMBtuchargestotheamounts andquantitiesdueundertheriderslistedbelow: ChargeAmount CustomerChargeperMeter$845.50permonth First0MMBtuto 1,500MMBtu$0.3572perMMBtu Next3,500MMBtu$0.2616perMMBtu AllMMBtuover5,000MMBtu$0.0561perMMBtu UpstreamTransportationCostRecovery:Plusanamountforupstreamtransportationcostsin accordancewithPart(b)ofRiderGCR. RetentionAdjustment:PlusaquantityofgasascalculatedinaccordancewithRiderRA. FranchiseFeeAdjustment:PlusanamountforfranchisefeescalculatedinaccordancewithRider FF.RiderFFisonlyapplicabletocustomersinsidethecorporatelimitsofanyincorporated municipality. TaxAdjustment:PlusanamountfortaxcalculatedinaccordancewithRiderTAX. Surcharges:Plusanamountforsurchargescalculatedinaccordancewiththeapplicablerider(s). ImbalanceFees AllfeeschargedtoCustomerunderthisRateSchedulewillbechargedbasedonthequantities determinedunderthe applicable TransportationAgreementandquantitieswillnotbeaggregatedforany CustomerwithmultipleTransportationAgreementsforthepurposesofsuchfees. Monthly ImbalanceFees CustomershallpayCompanythegreaterof(i)$0.10perMMBtu,or(ii)150%ofthedifferenceperMMBtu betweenthehighestandlowest"midpoint"pricefortheKatypointlistedinPlattsGasDailyinthetable entitled"DailyPriceSurvey"duringsuchmonth,fortheMMBtuofCustomer'smonthlyCumulative Imbalance,asdefinedintheapplicableTransportationAgreement,attheendofeachmonththatexceeds 10%ofCustomer'sreceiptquantitiesforthemonth. MID-TEXDIVISION RRCTariffNo: ATMOSENERGYCORPORATION RATESCHEDULE: T-TRANSPORTATION APPLICABLETO: ALLCUSTOMERSINTHE MID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter10/01/2019 I PAGE: CurtailmentOverpullFee UponnotificationbyCompany ofanevent ofcurtailmentorinterruptionofCustomer'sdeliveries, Customerwill,foreachMMBtudeliveredinexcessofthestatedlevelofcurtailmentorinterruption,pay Company200%ofthemidpointpricefortheKatypointlistedinPlattsGasDailypublishedforthe applicableGasDayinthetableentitled"DailyPriceSurvey.'' ReplacementIndex Intheeventthe"midpoint"or"common"pricefortheKatypointlistedinPlattsGasDailyinthetable entitled"Daily PriceSurvey"isnolongerpublished,Companywillcalculatetheapplicableimbalancefees utilizingadailypriceindexrecognizedasauthoritativebythenaturalgasindustryandmostclosely approximatingtheapplicableindex. Agreement Atransportationagreementisrequired. Notice Servicehereunderandtheratesforservicesprovidedaresubjecttotheordersofregulatorybodies havingjurisdictionandtotheCompany'sTariffforGasService. SpecialConditions In ordertoreceiveserviceunderRateT,customermusthavethetypeofmeterrequiredbyCompany. CustomermustpayCompanyallcostsassociatedwiththeacquisitionandinstallationofthemeter. MID-TEXDIVISION ATMOSENERGYCORPORATION RIDER: WNA-WEATHERNORMALIZATIONADJUSTMENT APPLICABLETO: ALLCUSTOMERSINTHEMID-TEXDIVISIONUNDERTHERRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter11/01/2019 I PAGE: ProvisionsforAdjustment TheCommodity ChargeperCcf(100cubicfeet)forgasservicesetforthinanyRateSchedulesutilized bythecitiesoftheMid-TexDivisionserviceareafordeterminingnormalizedwinterperiodrevenuesshall beadjusted byanamounthereinafterdescribed,whichamountisreferredtoasthe"Weather NormalizationAdjustment."TheWeatherNormalizationAdjustmentshallapply to all temperaturesensitive residentialandcommercialbillsbasedonmetersreadduringtherevenuemonthsofNovemberthrough April. ThefiveregionalweatherstationsareAbilene,Austin,Dallas,Waco,andWichitaFalls. ComputationofWeather NormalizationAdjustment TheWeatherNormalizationAdjustmentFactorshallbecomputedtothenearestone-hundredthcent perCcfbythefollowingformula: (NOD-ADD)) x (HSFi =R WNAFi I + (HSFi xADD) ) (Bli Where =anyparticularRateScheduleorbillingclassificationwithinanysuch particularRateSchedulethatcontainsmorethanonebillingclassification WeatherNormalizationAdjustmentFactorfortheithratescheduleor = WNAFi classification expressed incentsperCcf =CommodityChargerateoftemperaturesensitive salesfortheithscheduleor Ri classification. =heatsensitivefactorfortheithscheduleorclassificationdividedbythe HSFi averagebillcountinthatclass billingcyclenormalheatingdegreedayscalculatedasthesimpleten-year NOD= averageofactualheatingdegreedays. ADD=billingcycleactual heatingdegreedays. baseloadsalesfortheithscheduleorclassificationdividedbytheaverage Blj= billcountinthatclass TheWeatherNormalizationAdjustmentforthejth customerinithratescheduleiscomputedas: WNAi= WNAFi xQii WhereQiiistherelevantsalesquantityforthejthcustomerinithrateschedule. MID-TEXDIVISION ATMOSENERGYCORPORATION RIDER: WNA-WEATHERNORMALIZATIONADJUSTMENT APPLICABLETO: ALLCUSTOMERSINTHE MID-TEXDIVISIONUNDERTHE RRMTARIFF EFFECTIVEDATE: BillsRenderedonorafter11/01/2019 I PAGE: BaseUse/HeatUseFactors Commercial Residential BaseuseHeatuse BaseuseHeatuse Ccf/HDD WeatherStationCcf/HDDCcf Ccf Abilene 9.770.148788.490.7036 1.0000 Austin 0.1537201.48 9.04 184.641.1385 Dallas 13.070.2202 0.7744 Waco 0.1470135.70 8.77 0.5943 Wichita 11.400.1468117.90 Falls WeatherNormalizationAdjustment(WNA)Report OnorbeforeJune1ofeachyear,thecompanypostsonits websiteatatmosenergy.com/mtx-wna,in Excelformat,aWeatherNormalizationAdjustment(WNA)Reporttoshowhowthecompanycalculated itsWNAsfactorduringtheprecedingwinterseason.Additionally,onorbeforeJune1ofeachyear,the companyfilesonehardcopyandanExcelversionoftheWNAReportwiththeRailroadCommissionof Texas'GasServicesDivision,addressedtotheDirectorofthatDivision. ExhibitB 2019BenchmarkforPensionsandRetireeMedicalBenefits ATMOSENERGYCORP.,MID-TEXDIVISION PENSIONSANDRETIREEMEDICALBENEFITSFORCITIESAPPROVAL TESTYEARENDINGDECEMBER 31,2018 SharedServices Po LinePensionAccountPlanEmployment No.Description (a)(b)(c)(e) (d)(f)(g) ProposedBenefitsBenchmark-FiscalYear2019 WillisTowers WatsonReport asadjusted(1)(2)(3) 2,267,927 $2,744,088$4,724,119$193,211 1$$2,621,842 43.48% 43.48%73.88% 2AllocationtoMid-Tex100.00%73.88% Proposed BenefitsBenchmarkCostsAllocatedtoMid-Tex(Ln 1xLn2) 986,012 $1,193,029$$3,490,241$193,211 3$1,937,051 100.00%100.00% 4100.00%100.00% O&MandCapitalAllocationFactor100.00% ProposedBenefitsBenchmarkCoststoApprove(ln3xLn4)(3) 986,012 $1,193,029$3,490,241$193,211 5$$1,937,051$7,799,544 6 7 Summaryof CoststoApprove(1): 8 9 O&MExpenseFactor(WP_F-2.3,Ln2)81.35%81.35%38.28%16.24% 1038.28% 11 12 TotalPensionAccountPlan $1,336,038 13$970,514$2,306,553 TotalPost-EmploymentBenefitPlan 14$802,108$741,489 1,543,597 TotalSupplementalExecutive BenefitPlan $31,377 1531,377 Total(Ln13+Ln14+Ln15) 3,881,527 $970,514$802,108$1,336,038$31,377$741,489 $ 16 17 Notes: 18 1.StudiesnotapplicabletoMid-TexorSharedServicesare omitted. 19 2.TheCompanyisrequestingthatthebenchmarkamountapprovedbytheRRMCitiesforfutureperiodsincludeonlytheexpenseamount. 20 Theamountattributabletocapital wouldcontinuetoberecordedtoutilityplantthroughtheoverheadprocessasdescribedintheCAM. 21 3.SSUamountsexcludecostcenterswhichdonotallocatetoMid-Texforratemakingpurposes. 22 ExhibitC 2019AmortizationScheduleforRegulatoryLiability ATMOSENERGYCORP.,MID-TEXDIVISION RATEBASEADJUSTMENTS TESTYEARENDINGDECEMBER31,2018 AMORTIZATIONOFREGULATORYLIABILITY BeginningofYearEndofYear RateBaseRateBase LineYearEndedAdjustmentAnnual Adjustment No.Dec.31Amount(1) Amortization(2)Amount (a)(b)(c)(d) 12018$290,043,948$290,043,948 22019290,043,94812,085,165277,958,784 2020277,958,78412,085,165 3265,873,619 412,085,165 2021265,873,619253,788,455 12,085,165 52022253,788,455241,703,290 12,085,165 62023241t703,290229,618,126 7202412,085,165 229,618,126217,532,961 8 217,532,96112,085,165 2025205,447,797 205,447,79712,085,165 92026193,362,632 10 12,085,165 2027193,362,632181,277,468 112028181,277,46812,085,165169,192,303 12,085,165 122029169,192,303 157 I 107 t 139 12,085,165 132030157,107,139145,021,974 142031145,021,97412,085,165 132,936,810 12,085,165 152032132,936,810120,851,645 16120,851,64512,085,165 2033108,766,481 12,085,165 172034108,766,481 96,681,316 1896,681,31612,085,165 203584,596,152 1984,596,15212,085,165 203672,510,987 72,510,98712,085,165 20 203760,425,823 12,085,165 21203860,425,82348,340,658 22203948,340,65812,085,16536,255,494 2336,255,49412,085,165 204024,170,329 24204124,170,32912,085,16512,085,165 12,085,165 25204212,085,165(0) 27 28 29RevenueRelatedTaxFactor6.71% SeeWP_F-5.1 Amortization*Tax RevenueRelatedTaxesonAnnual 810,653 Factor $ 30Amortization(seeWP_B-6.3) 31RelatedTaxes(seeWP_B-6.3) $12,905,421 Amortization +Taxes 32 33Notes: 341.Thebeginning2018balanceistheSeptember,2018balance.Theregulatory 35liabilityforexcessdeferredtaxesisanestimate.Thisestimatewillbe 36finalizedwhentheCompanyfilesitsfederaltaxreturninJuly,2019.Tothe 37extentthatthisestimatechangeswiththefilingoftheCompany'staxreturn, 38theCompany will'true-up'theamountinthe2020RRMfiling. 392.The annualamortizationofa24yearrecoveryperiodisbasedonthe 40ReverseSouthGeorgiaMethod. 413.TheRegulatoryLiabilityisrecordedtoFERCAccount253,SubAccount27909.