Summary: Revises Tariff WN U-28, Schedule 59, to pass through $2.1 million in Residential Exchange Program benefits that the Company will be receiving from the Bonneville Power Administration starting on Oct. 1, 2017. The effect of this filing is a 0.3 percent decrease in average bills for eligible electric customers, and a decrease of $0.28 in the average monthly bill for the typical residential customer using 938 kilowatt-hours per month.