{"operation":"document","citation":"4 CCR 723-4 Rule 4604","title":"Contents of GCA Filings","source_type":"regulation","agency":"Colorado Public Utilities Commission","status":"current","official":true,"published_on":null,"effective_on":null,"summary":"(a) A GCA filing shall meet the following requirements. (I) Every GCA filing shall contain attachments 1 through 9. The attachments shall meet the requirements set out in this rule. (II) The attachments shall be organized in a manner that specifically references, and responds to, the requirements co","machine_formats":{"json":"https://regulus.evalyn.ai/document/co-ccr-4-723-4-4604.json","markdown":"https://regulus.evalyn.ai/document/co-ccr-4-723-4-4604.md"},"app_url":"https://regulus.evalyn.ai/document/co-ccr-4-723-4-4604","source_url":"https://www.sos.state.co.us/CCR/DisplayRule.do?action=ruleinfo&ruleId=2260&deptID=18&agencyID=96&deptName=Department%20of%20Regulatory%20Agencies&agencyName=Public%20Utilities%20Commission&seriesNum=4%20CCR%20723-4","body":"(a) A GCA filing shall meet the following requirements.\n(I) Every GCA filing shall contain attachments 1 through 9. The attachments\nshall meet the requirements set out in this rule.\n(II) The attachments shall be organized in a manner that specifically\nreferences, and responds to, the requirements contained in each\nsubparagraph of this rule.\n(III) Attachments 2, 3, 5, and 6 shall be provided in executable format with all\ncell formulas intact, using spreadsheet software that is compatible with\nsoftware used by Commission staff.\n(IV) Cross-referenced and footnoted work-papers fully explaining the amounts\nshown in each attachment shall be submitted and provided to Commission\nstaff at the same time as the application. Work-papers shall be provided in\nexecutable format with all cell formulas intact, using spreadsheet software\nthat is compatible with software used by Commission staff.\n(V) The filing shall cross-reference the proceeding numbers of the associated\nGPP submittals.\n(VI) An explanation of all pro forma adjustments shall be provided, if\napplicable.\n(b) GCA attachment No. 1 - GCA summary. This attachment shall clearly illustrate all\nof the following principles.\n(I) The impact the utility’s currently effective GCA has on each sales gas\ncustomer class and, when applicable, the gas transportation rate class on\na total dollar and mil ($0.001, minimum) per Mcf or Dth basis.\n\n(II) The impact the utility’s proposed GCA has on each sales gas customer\nclass and, when applicable, gas transportation rate class on a total dollar\nand mil ($0.001, minimum) per Mcf or Dth basis; and\n(III) The percent change in total bill for a customer of average usage for each\nsales gas customer class. This percent change in total bill calculation shall\ninclude an itemization of the monthly service and facility charge, base\nrates and GCA commodity components, and all other tariff charges on the\ncustomer bill.\n(c) GCA attachment No. 2 - Current Gas Cost Calculation. This attachment shall\ncontain the calculation of the current gas cost and shall provide month-by-month\ninformation with respect to the forecasted gas commodity cost, forecasted gas\npurchase quantity, forecasted market prices, forecasted upstream service cost,\nand forecasted sales gas quantity. The utility shall present all such information in\na format comparable with, and corresponding to, the information forecasted in\nthe utility’s GPP, as required pursuant to rule 4606.\n(I) The utility shall calculate current gas cost at least to the accuracy of the\nnearest mil ($0.001) per Mcf or Dth according to the following formula,\nsubject to individual GCA rule variances granted by the Commission:\ncurrent gas cost = (forecasted gas commodity cost + forecasted upstream\nservice cost) / forecasted sales gas quantity.\n(II) The utility shall present all such information in a format comparable with,\nand corresponding to, the information forecasted in the utility’s GPP\nsubmittal for each month of the GCA effective period, as required pursuant\nto rule 4606.\n\n(d) GCA attachment No. 3 - Deferred Gas Cost Calculation. This attachment shall\ncontain the details of the utility’s actual gas purchase costs, the calculation of\ndeferred gas cost, the implementation of the utility’s GPRMP, and the calculation\nof the GPIM symmetric sharing amounts, as approved by the Commission. In\naddition, this attachment shall provide month-by-month information detailing the\nactivity in USOA Account No. 191 by subaccount and period as applicable,\ninterest on under- or over-recovery, GPIM sharing amounts, and all other\nincluded gas costs authorized for recovery in the GCA. The utility shall calculate\ndeferred gas cost as the aggregate total of the under- or over-recovered gas\ncosts reflected in its Account No. 191, or other approved gas costs, recorded at\nthe close of business for each month of the period at issue (such as the previous\ngas purchase year), plus interest on under- or over-recovery (if net amount is\nnegative), divided by forecasted sales gas quantity for the next 12-month period.\nThe utility shall calculate deferred gas cost at least to the accuracy of the nearest\nmil per Mcf or Dth. Each cost a utility includes in the deferred gas cost calculation\nshall be itemized and clearly identified and itemized for applicability to the period\nat issue. In its GCA filings, the utility shall reflect actual deferred costs for the\nmost recent period, or as otherwise approved by the Commission.\n(e) GCA attachment No. 4 - Current Tariff. This attachment shall contain the tariff\npages which illustrate the gas cost components of the utility’s currently effective\nrates for sales gas service and, where applicable, gas transportation service.\n(f) GCA attachment No. 5 - Forecasted Gas Transportation Demand. This\nattachment applies only to utilities that have a GCA component within their\nauthorized rates for gas transportation service. This attachment shall provide the\nfollowing information, with all demand forecast information provided on a Mcf or\nDth basis:\n(I) a forecast of gas commodity throughput attributable to gas transportation\nservice for each month of the GCA effective period; and\n(II) a forecast of firm backup supply demand quantities (to the extent the utility\nhas such service) under the utility’s firm gas transportation service\nagreements for each month of the GCA effective period.\n(g) GCA attachment No. 6 - current gas cost allocations. This attachment shall fully\nexplain and justify the method(s) used to do each of the following:\n(I) allocate the costs associated with the gas commodity and upstream\nservices to each specific sales gas customer class and, where applicable,\ngas transportation customer rate class; and\n(II) derive the amount of the GCA applied to each specific sales gas customer\nclass, subject to the utility’s GPRMP and GPIM, and, where applicable,\ngas transportation customer rate classes.\n\n(h) GCA attachment No. 7 - Customer Notice. This attachment shall provide the form\nof notice to customers and the public concerning the utility’s proposed GCA\nchange. In its customer notice for each sales gas customer class, the utility shall\ninclude the following:\n(I) current and proposed GCA rates and percentage change;\n(II) comparison of the previous gas purchase year’s last average annual bill\nunder prior rates and the projected average annual bill under the proposed\nGCA rates and percentage change in the total bill amount using an\naverage usage amount for each customer class;\n(III) comparison of the prior year’s peak winter month bill under prior rates and\nthe projected peak winter month bill under the proposed GCA rates and\npercentage change using an average peak winter month usage amount\nfor each customer class; and\n(IV) a statement that the utility made a separate gas purchase report filing in\naccordance with rule 4608 to begin the initial prudence review evaluation\nprocess for the prior gas purchase year.\n(i) GCA attachment No. 8 - components of delivered gas cost. This attachment shall\ndetail the itemized rate components of delivered gas cost to the customer (rate),\nper rule 4406.\n(j) GCA attachment No. 9 - proposed tariff. This attachment shall contain the tariff\nsheets proposed by the utility to reflect the proposed GCA change.\n(k) GCA attachment No. 10 - GPIM sharing amounts. As applicable, this attachment\nshall detail the calculation of GPIM sharing amounts per rule 4607 and any\nsharing amounts included in the deferred gas cost calculation presented in\nattachment No. 3. The calculation of the sharing amounts shall be provided in\nexecutable format with all cell formulas intact, using spreadsheet software that is\ncompatible with software used by Commission staff.","truncated":false,"body_characters":7714}