Electric vehicle charging tax registrants and/or their representatives may transmit Wisconsin Electric Vehicle Charging Tax Return (Form EV-100) data in an electronic file over the Internet. This is a process intended for participants who have technical expertise to create and validate an XML document or are using software that provides that service for you.
The electric vehicle charging file transmission:
- is a secure process for filing electric vehicle charging tax returns
- uses XML language and a Department of Revenue web server
- offers a web GUI and scripted transmission methods
- allows one return per XML file
- does not use SOAP or MIME enveloping processes
- is HTML based over SSL using 128-bit encryption
General Information
Links below provide information about this process.
Return Information
The returns use the XML Schema EVChargingV1.0 for all returns. This schema was developed by the department. Each submission will receive an acknowledgement (acceptance or rejection notice) generally within a day. If the return is rejected, the acknowledgment will list the reasons why it was rejected.
Payment Methods
Payment must be made through My Tax Account.
May 1, 2025