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Wyoming Public Service Commission

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The Commission regulates eleven natural gas utilities that provide retail gas service to Wyoming customers. These natural gas utilities range in size from relatively small companies serving only a couple hundred Wyoming customers to large, multi-state gas companies who have a Wyoming customer base of over 70,000 customers.

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 gas utility applications to pass-on wholesale cost increases in the cost of natural gas
  • Reviewing integrated resource plans for large gas utilities
  • 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 natural gas service issues

Natural Gas Integrated Resource Plan (IRP) Guidelines

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.

 

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Gas Utilities Registration Form

Required Filings Cover Sheet