Utility filing deadlines approaching

January 16, 2024

To: Gross Revenue Taxpayers
Ad Valorem Taxpayers

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

Reports due by:

Note: All the forms below are in My Tax Account (MTA).

  • March 1, 2024
    • LM-003 – Municipal Light Heat & Power Annual Report
    • LP-003 – Private Light Heat & Power Annual Report
  • March 15, 2024
    • RE-001 – Rural Electric Association Annual Report
  • May 1, 2024 (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 a filing extension

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

Registered in My Tax Account (MTA)?

You or your representative must be registered as a user in MTA to e-file your annual reports. If you or your representative are:


Contact us at utility@wisconsin.gov.