Wholesale Energy Transaction (WET) Tax
Overview
Transmission service providers collect a tax from electrical generation facilities or distribution services on wholesale energy transactions on behalf of Montana.
Fees
Montana charges 0.015¢ per kilowatt-hour of electricity transmitted. ($0.00015 per kilowatt-hour)
Reporting and Payment Options
File and pay through our TransAction Portal (TAP).
Due Dates
The WET return is due 30 days from the end of each calendar quarter:
- First Quarter: April 30
- Second Quarter: July 30
- Third Quarter: October 30
- Fourth Quarter: January 30
Penalties and Interest
The Wholesale Energy Transaction Tax is subject to uniform penalties and interest.
Revenue Distribution
All tax proceeds are deposited in the state general fund.