Summary: Revises Tariff WN U-6 Schedule 308, Washington Climate Commitment Act, for the recovery of actual and anticipated costs and the passback of actual and anticipated revenues received from CCA compliant cap-and-invest market operations from January 2024 through April 2026. This revision will decrease total annual company revenues by $1.6 million or 1.33 percent. A typical residential ratepayer connected to the system as of July 25, 2021, consuming an average 57 therms would see a bill decrease of $5.80 per month, or 6.9 percent.