# Overview and Purpose

- **operation:** document
- **citation:** 4 CCR 723-4 Rule 4600
- **title:** Overview and Purpose
- **source type:** regulation
- **agency:** Colorado Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** Rules 4601 through 4610 are used by utilities to revise gas rates on an expedited basis, to reduce the volatility of gas costs for customers, and to improve their management of gas costs. These rules provide instructions for the filing of: gas cost adjustment filings; annual gas purchase plan submit
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4600.json
- **markdown:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4600.md
- **app url:** https://regulus.evalyn.ai/document/co-ccr-4-723-4-4600
- **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:**

Rules 4601 through 4610 are used by utilities to revise gas rates on an expedited basis,
to reduce the volatility of gas costs for customers, and to improve their management of
gas costs. These rules provide instructions for the filing of: gas cost adjustment filings;
annual gas purchase plan submittals; annual gas purchase and deferred balance
reports; gas price risk mitigation plans; and gas performance incentive mechanisms.
The purpose of the Gas Cost Adjustment is to enable utilities, on an expedited basis, to
reflect in their rates for gas sales and gas transportation services, as applicable, the
increases or decreases in gas costs, including (but not limited to) gas commodity costs
and upstream services costs. The purpose of the Gas Purchase Plan is to describe the
utility’s plan for purchases of gas commodity and upstream services in order to meet the
forecasted demand for sales gas service during each month of the gas purchase year.
The purpose of the Gas Purchase and Deferred Balance Report is to present the utility’s
actual purchases of gas commodity and upstream services during each month of the
gas purchase year. The combined purpose of the Gas Price Risk Management Plan
and the Gas Performance Incentive Mechanism is to address the volatility of gas
commodity costs recovered from the utility’s customers and to align the utility’s financial
incentives with the financial interests of its customers regarding incurred gas commodity
costs.
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