WA - Fuel value for purposes of calculating tax on self-produced fuel is announced

For purposes of calculating the Washington use tax value of refinery fuel gas, the value from April 1, 2025 through June 30, 2025 is $3.70 per million Btu. The use tax rate for businesses using self-produced refinery fuel gas is 3.852%. Excise Tax Advisory No. 3014.2025, Washington Department of Revenue, March 19, 2025