Forms & Applications

The document format (file type) is indicated in parentheses after the document name. If you have problems viewing or downloading any of these forms, please notify us at

Sample Forms for Documents Routinely Filed with the IUB 


Customer Service

Energy (Gas/Electric/Water)

Rate Case Forms (chapter 26 rules)

  • Customer Notice Forms
  • Rate Case Schedule Template (Excel) - Utilities having trouble with the spreadsheet should contact customer service at This spreadsheet is a general form and may not include specific cells for a utility's rate case filing.  Add the cells that include the calculations for your rate case filing. 
  • Weather Normalization Model  (The numbers in the Heating Degree Days, Sales by Month, and Customers by Month columns are used as examples only.)

Safety & Engineering  


Video/Cable Franchises


Printed from the website on March 27, 2023 at 4:43am.