Public Utilities Commission DORA State of Colorado Public Utilities Commission Public Utilities Commission State of Colorado DORA


Tariff Filings

Electric, Gas, Steam, Telecom and Water

Advice Letter and Tariff Filings
Transmittal Letter and Price List Filings
Electric, gas, steam, telecommunications and water utilities, with the exception of telecommunications toll resellers, are required to file and maintain tariffs with the Commission.
Filing Procedures
Files
Tariff Filing Checklist
PDF | DOC
Price Filing Checklist 
PDF | DOC
Numbers of Copies to be Submitted to the Commission
PDF | DOC
Adoption Notice ( Adoption of Tariff, Time Schedule, or Price List )
Format for Advice Letter to Change a Tariff
Obtaining Copies of Filings
  • See Commission E-Filings for document filings of advice and transmittal lettters, and tariff and price lists
Copies of tariffs, price lists, advice and transmittal letters, are available electronically by contacting Records Management. Electronic versions of advice letters and tariff filings may also be available by contacting the utility. Current tariffs may also be provided by utilities on their corporate websites.
Colorado Revised Statutes require that a copy of tariff filings for electric, gas, steam, and telecommunications services must be provided to the Office of Consumer Counsel (OCC). These copies should be sent to: OCC, 1560 Broadway, Suite 200, Denver, CO 80202.
Check company websites for posting of their effective tariffs.
 
Consumer Protection