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PSC Information

The Wyoming Department of Revenue works in coordination with the Public Service Commission to request, track and bill Gross Intrastate Retail Revenues for public utility companies doing business within the State of Wyoming.  The Public Service Commission identifies these companies and sets the tax rate on an annual basis, while the billing and collection of this tax is completed by the Department of Revenue.  Further information on this process can be found on the Public Service Commission website or by calling (307) 777-7427.  For specific questions regarding billing or payments please contact Justin McNamara at (307) 777-5232 or by email at