Utility Filing Deadlines Approaching

​January 28, 2025

To: Gross Revenue Taxpayers
Ad Valorem Taxpayers

The Wisconsin Department of Revenue (DOR) would like to remind you of upcoming utility filing deadlines.

Reports due by:

  • February 17, 2025
These forms are in My Tax Account:
  • March 3, 2025
    • LM-003 – Municipal Light Heat & Power Annual Report
    • LP-003 – Private Light Heat & Power Annual Report
  • March 17, 2025
    • RE-001 – Rural Electric Association Annual Report
  • May 1, 2025 (report or extension request due)
    • AC-001 – Airline
    • PI-001 – Oil Pipeline
    • PF-001 – Gas Pipeline
    • RA-001 – Railroad Annual Report
    • CR-800 – Conservation/Regulation
    • MP-800 – Association of Municipal Electrics

To request an extension

  1. Locate the account type in My Tax Account
  2. Select File/Pay/View Returns
  3. Click Request Extension to File
  4. Enter the filing period(s) you are requesting an extension for and select Submit. You will receive an error message if you cannot request an extension in MTA for the requested filing period.
  5. Print a copy of the confirmation page for your records. You will be able to view the submission using the Submissions section under More... on the home screen.

Note: DOR will apply a non-appealable late filing penalty to all reports filed after the due date with no extension.

If you do not have a registered My Tax Account

You or your representative must be registered as a user in MTA to e-file your annual reports. If you or your representative are:
  • Already registered, you don't need to do anything at this time
  • Not registered, create a username and password
    • Go to MTA Logon screen
    • Click New? Create new username
    • Complete new registration step 1 and select Yes to the question asking if you are a Third-Party Preparer
    • After completing Step 2 and receiving a username, email our Utility staff at utility@wisconsin.gov and request access to your company's form.

Questions?

To avoid a delayed response, contact us at utility@wisconsin.gov.​