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Wyoming Public Service Commission

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Water Utilities

The Commission regulates eight water utilities that provide retail water service to Wyoming customers. These water utilities serve a relatively small number of Wyoming customers, the vast majority of service in the state being provided by municipalities and water and improvement districts which are not regulated by the Commission. The PSC has the following primary duties regarding the regulation of natural gas utilities:

Hearing rate cases and approving rates and tariffs for the companies Reviewing, analyzing and hearing water utility applications to pass-on wholesale cost increases in the cost of water Granting certificates of public convenience and necessity for major facilities Establishing accounting and depreciation procedures for utilities Approving mergers, acquisitions and transactions between companies Approving the issuance of securities and creation of liens by the utility Mediating consumer complaints regarding water service issues


Gas and Pipeline Safety Program

The Wyoming Public Service Commission has been authorized by the U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety (PHMSA) to perform inspections of Natural Gas Intrastate Transmission Pipelines, Natural Gas Distribution Systems, Liquid Propane Gas Distribution Systems, Direct Sales Lateral, Certain Regulated Gas Gathering Systems and Liquefied Natural Gas Systems in the State of Wyoming. Currently, The Commission's Facility Engineering Section will inspect 30 Natural Gas Pipeline Operators and Gas Utilities in 2007. This is two additional operators 2006. The types of inspections that are conducted include the Standard safety inspection, Accident and Incident investigations, Drug and Alcohol Program inspections, Operator Qualification inspections, Transmission Integrity Management Program inspections, and any investigations that the Commission may deem necessary.

The Facility's Engineering Staff attempts to inspect each operator annually, but never longer than every other year. The inspections are conducted to insure compliance with 49 CFR 191, 192, 193 and 199. The most current versions of these codes are available at PHMSA's website, and click on the regulations button.

If you have any questions or concerns about pipeline safety issues please feel free to contact the Commission's Engineering Supervisor at (307) 777-7427 or by emailing the Commission's Web Master.

2011 Interest Rate Set

The interest rate provided for in Section 241(c) and Section 504(f)(iii) was set November 23, 2010, in Docket No. 90090-5-XO-10. The interest rate is 1.80% per annum for the period of January 1 through December 31, 2011. NOTE: The interest rate provided for in Section 241 is incorporated by reference in Rule Section 250, Electric, Gas, and Water Public Utility Commodity Balancing Account as a Basis for Periodic Pass-On Filings, when a utility charges or collects interest on any over- or under-collected balance in an authorized Commodity Balancing Account.



These downloadable files are available as Adobe Acrobat pdf files.

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Pipeline Utilities Registration Form
Water Utilities Registration Form
Required Filings Cover Sheet