# Schedule for Filings by Utilities

- **operation:** document
- **citation:** 4 CCR 723-4 Rule 4602
- **title:** Schedule for Filings by Utilities
- **source type:** regulation
- **agency:** Colorado Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** Utilities subject to rules 4600 through 4609 shall make the required filings in accordance with the following schedule. (a) Utilities with more than 50,000 full service customers shall file with the Commission quarterly GCA filings. Additional GCA filings may also be filed as necessary pursuant to p
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- **app url:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4602
- **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:**

Utilities subject to rules 4600 through 4609 shall make the required filings in accordance
with the following schedule.
(a) Utilities with more than 50,000 full service customers shall file with the
Commission quarterly GCA filings. Additional GCA filings may also be filed as
necessary pursuant to paragraph 4603(b).
(b) Utilities with fewer than 50,000 full service customers shall file with the
Commission either quarterly GCA filings or two GCA filings per year with
effective dates for GCA rates of November 1 and April 1. Additional GCA filings
may also be filed as necessary pursuant to paragraph 4603(b).
(c) Propane utilities shall file an annual GCA filing with an effective date of
November 1. Additional GCA filings may also be filed as necessary pursuant to
paragraph 4603(b).

(d) All utilities shall file their GPP submittal annually on or before June 1 for the next
gas purchase year beginning July 1.
(e) The GPDBR for the preceding gas purchase year in which a GPP was filed shall
be filed annually by October 1.
(f) All utilities, except for propane utilities, shall implement a GPRMP through their
GCA filings. Modifications to a GPRMP shall be accomplished through an
application filing separate from a GCA filing.
(g) Utilities with fewer than 50,000 full service customers and propane utilities are
not required to include a GPIM in their GCA tariff sheets pursuant to rule 4607.
(h) Utilities with more than 50,000 full service customers shall file an application to
include a GPIM within their GCA tariff sheets pursuant to rule 4607 within 60
days of the effective date of these rules. The initial GPIM for utilities with more
than 50,000 but less than 500,000 full service customers shall be established in
accordance with paragraph 4607(a). The initial GPIM for utilities with more than
500,000 full service customers shall be established in accordance with paragraph
4607(b). Once established by application, the utility shall implement a GPIM
through their GCA filings. Modifications to a GPIM shall be accomplished through
an application filing separate from a GCA filing.

(i) No later than 90 days after the conclusion of a full heating season covered by the
utility’s initial GPIM, the utility shall file an application for the renewal of the
GPIM. Implementation of the initial GPIM shall continue until the renewed GPIM
goes into effect. For the utilities with an initial GPIM based on the framework set
forth in paragraph 4607(a), the renewal application shall present an analysis of
the implementation of the utility’s initial GPIM as approved by the Commission
and an analysis of GPIM benchmark gas rate and GPIM sharing amount in
paragraph 4607(b) as if they had instead been implemented over the same
period as the initial GPIM. The utility may propose to implement a modified GPIM
provided that the Commission determines the modified GPIM comports with the
requirements of § 40-3-120, C.R.S.
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