# Definitions

- **operation:** document
- **citation:** 4 CCR 723-4 Rule 4727
- **title:** Definitions
- **source type:** regulation
- **agency:** Colorado Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** (a) "Clean heat plan total period" means the period from the date the clean heat plan application is filed through year 2050, or 20 calendar years, whichever is greater. (b) "Clean heat plan action period" means the period beginning the date the plan is filed and extending until December 31st of the
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- **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) “Clean heat plan total period” means the period from the date the clean heat plan
application is filed through year 2050, or 20 calendar years, whichever is greater.
(b) “Clean heat plan action period” means the period beginning the date the plan is
filed and extending until December 31st of the fifth year from the filing date.
(c) “Clean heat plan informational period” means the period from the end of the
clean heat plan action period through the end of the clean heat plan total period.
(d) “Gas distribution utility” means a public utility providing gas service to more than
ninety thousand retail customers. “Gas distribution utility” does not include a
municipal gas distribution utility.
(e) “Green hydrogen” means hydrogen derived from water and a clean energy
resource as defined in § 40-2-125.5(2)(b), C.R.S.

(f) “Recovered methane credit” means a tradable instrument that represents a
greenhouse gas emission reduction or greenhouse gas removal enhancement of
one metric ton of carbon dioxide equivalent. The greenhouse gas emission
reduction or greenhouse gas removal enhancement must be real, additional,
quantifiable, permanent, verifiable, and enforceable. No recovered methane
credit may be issued if the greenhouse gas emission reduction or greenhouse
gas removal enhancement that the credit would represent is required or
accounted for by a proposed or final federal, state, or local rule or regulation.
(g) “Recovered methane protocol” means a set of procedures and requirements
established by the Air Quality Control Commission to quantify ongoing
greenhouse gas emission reductions or greenhouse gas removal enhancements
achieved by a recovered methane project and to calculate and track the project
outcomes.
(h) “Small gas distribution utility” means a public utility providing gas service to
ninety thousand retail customers or fewer. “Small gas distribution utility” does not
include a municipal gas distribution utility.
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