# Contents of the GPDBR

- **operation:** document
- **citation:** 4 CCR 723-4 Rule 4609
- **title:** Contents of the GPDBR
- **source type:** regulation
- **agency:** Colorado Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** A GPDBR shall contain the following attachments. The utility shall organize the attachments in a manner that specifically references, and responds to, paragraphs (a) through (d) of this rule. The utility shall also present all such information in a format comparable with, and corresponding to, the i
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4609.json
- **markdown:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4609.md
- **app url:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4609
- **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 GPDBR shall contain the following attachments. The utility shall organize the
attachments in a manner that specifically references, and responds to, paragraphs (a)
through (d) of this rule. The utility shall also present all such information in a format
comparable with, and corresponding to, the information forecasted in the utility’s GPP
submittal as required pursuant to rule 4606 and GCA filing pursuant to rule 4604. The
utility shall provide an explanation of, and justification for, any material deviations from
its GPP. All underlying support documentation and work-papers shall be made
available. With its filing, the utility shall provide cross-referenced and footnoted work-
papers fully explaining the amounts shown in each attachment.
(a) GPDBR attachment No. 1 - actual gas commodity purchases. This attachment
shall provide, in a format comparable to the information provided in GPP
attachment 1, the quantities of, and actual invoice costs of, specific gas
commodity supplies, segregated by receipt point/area that the utility purchased in
order to meet actual sales gas and gas transportation demand during the peak
day and for each month of the gas purchase year. Each gas utility shall provide a
description and explanation of the following:
(I) the volumes and costs associated with fixed-price, long-term supply
contracts;
(II) the volumes and costs associated with storage injections and withdrawals,
including both physical and contract storage; and
(III) the volumes and costs associated with financial hedging.
(b) GPDBR attachment No. 2 - description of actual market prices. This attachment
shall provide, in a format comparable to the information provided in GPP
attachment 2, actual index prices, short-term fixed prices (one-year, or other
appropriate term), and other relevant pricing options for each specific receipt

point area, as applicable to the portfolio management plan described in GPP and
GPR attachments 3.
(c) GPDBR attachment No. 3 - actual portfolio purchases. This attachment shall
provide, in a format comparable to the information provided in GPP exhibit 3, a
comparison of the utility’s portfolio management plan and the results actually
achieved through the implementation of this plan (or modification thereto), in
order to demonstrate, using the standard of review specified in paragraph
4608(c), the prudence of actual portfolio purchases. This attachment shall
include a detailed itemization of gas price volatility risk management costs if
applicable.
(d) GPDBR attachment No. 4 - actual upstream service costs. This attachment shall
provide, in a format comparable to the information provided in GPP attachment 4,
the following information for each month of the gas purchase year:
(I) an itemized list of the upstream services the utility actually purchased in
order to meet sales gas and gas transportation demand;
(II) an itemized listing of the specific costs the utility incurred to purchase
upstream services;
(III) actual peak day demand experienced by the utility during the gas
purchase year; and
(IV) an itemized list of capacity release volumes and revenues.
(e) GPDBR attachment No. 5 - deferred balances. This attachment shall provide
monthly deferred balances for the 12 months ending June 30.
(f) GPDBR attachment No. 6 - GPIM results. This attachment shall provide, for the
12 months ending June 30:
(I) the quarterly GPIM benchmark gas rates and GPIM actual gas rates;
(II) the quarterly and twelve-month cumulative GPIM sharing amounts; and
(III) the calculation of the applicable cap on GPIM sharing amounts.
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