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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

Integrated Resource Plan (IRP) Filings

An Integrated Resource Plan (IRP) is a recurring planning process undertaken by a public utility to identify the preferred mix of supply and demand side resources that will meet projected customer demand, provide service reliability and resource diversity at the least possible cost.

Commission Rule Chapter 3, Section 33 - Integrated Resource Plan (IRP) pertains to Integrated Resource Planning. It states:"Each utility serving in Wyoming that files an IRP in another jurisdiction shall file that IRP with the Commission. The Commission may require any utility to file an IRP."

Natural Gas Integrated Resource Plan (IRP) Guidelines

2017 Interest Rate Set

Pursuant to the Wyoming Public Service Commission’s (Commission) Rule Chapter 1, Section 2(a)(xv), the Commission has set the Commission’s Authorized Interest Rate (interest rate) payable on customer deposits held by gas, electric, and water utilities, pursuant to Commission Rule Chapter 3, Section 7; and, affected telecommunications companies, pursuant to Commission Rule Chapter 4, Section 9(g) in the state of Wyoming, at its open meeting held on December 6, 2016. Notice of the requested increase in the interest rate was provided by the Commission’s on-line GovDelivery Email Distribution System on November 30, 2016. The interest rate is set at 2.02% per annum for the period of January 1, 2017, through December 31, 2017.

The interest rate provided for in Commission Rule Chapter 3, Section 7 is also incorporated by reference in Chapter 3, Section 26(i), electric, gas, and water public utility Commodity Balancing Account, as a basis for periodic pass-on filings, when a utility is authorized to charge or collect interest on any over- or under-collected balance in an authorized Commodity Balancing Account.

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Gas Utilities
Registration Form

Contact / Address Update Form
Required Filings Cover Sheet

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